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xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
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<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000028087Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000028087Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000028087Member"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_RetailMember"
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xlink:label="RetailMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000026863ETF"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
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xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="RiskReturnHeading"
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<link:presentationArc
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xlink:to="ObjectiveHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
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xlink:to="ObjectiveSecondaryTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
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<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
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<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
use="optional"/>
<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
use="optional"/>
<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
use="optional"/>
<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="35.0"
use="optional"/>
<link:presentationArc
use="optional"
order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="37.0"
use="optional"/>
<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
use="optional"/>
<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="41.0"
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<link:presentationArc
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order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="43.0"
use="optional"/>
<link:presentationArc
use="optional"
order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000026863Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000026863Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="45.0"
xlink:to="S000026863Member"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_ETFMember"
xlink:type="locator"
xlink:label="ETFMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000026863Institutional"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="RiskReturnHeading"
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<link:presentationArc
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xlink:to="ObjectiveHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
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xlink:to="ObjectiveSecondaryTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
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<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
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<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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use="optional"/>
<link:presentationArc
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order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
use="optional"/>
<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="41.0"
use="optional"/>
<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="43.0"
use="optional"/>
<link:presentationArc
use="optional"
order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000026863Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000026863Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="45.0"
xlink:to="S000026863Member"
use="optional"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_InstitutionalMember"
xlink:type="locator"
xlink:label="InstitutionalMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000026863Participant"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
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xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
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<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
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xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
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<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
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<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
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xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
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<link:loc
xlink:label="StrategyHeading"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
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<link:loc
xlink:label="RiskHeading"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
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<link:loc
xlink:label="RiskFootnotesTextBlock"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
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<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
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<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="RiskReturnHeading"
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<link:presentationArc
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xlink:to="ObjectiveHeading"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
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<link:presentationArc
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xlink:to="ObjectiveSecondaryTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpenseHeading"
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<link:presentationArc
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xlink:to="ExpenseNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ShareholderFeesCaption"
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<link:presentationArc
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xlink:to="ShareholderFeesTableTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="OperatingExpensesCaption"
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<link:presentationArc
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xlink:to="AcquiredFundFeesAndExpensesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpenseFootnotesTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpenseExampleByYearHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpenseExampleByYearCaption"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
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<link:presentationArc
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xlink:to="ExpenseExampleNoRedemptionByYearCaption"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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<link:presentationArc
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<link:loc
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<link:loc
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<link:presentationArc
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<link:loc
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<link:presentationLink
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<link:loc
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<link:loc
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
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xlink:label="ObjectivePrimaryTextBlock"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
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<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="1.0"
xlink:to="RiskReturnHeading"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="3.0"
xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
order="4.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
order="6.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
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<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
order="10.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
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<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
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<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
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<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
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<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="35.0"
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<link:presentationArc
use="optional"
order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="37.0"
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<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
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<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="43.0"
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<link:presentationArc
use="optional"
order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000026863Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000026863Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000026863Member"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_SignalMember"
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xlink:label="SignalMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000026860ETF"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
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<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="RiskReturnHeading"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
order="6.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
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<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
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<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
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<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
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<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
use="optional"/>
<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="35.0"
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<link:presentationArc
use="optional"
order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="37.0"
use="optional"/>
<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
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<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="41.0"
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<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="43.0"
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<link:presentationArc
use="optional"
order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000026860Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000026860Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="45.0"
xlink:to="S000026860Member"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_ETFMember"
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xlink:label="ETFMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000026860Institutional"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="1.0"
xlink:to="RiskReturnHeading"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
order="2.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="3.0"
xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
order="4.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
order="6.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
use="optional"/>
<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
use="optional"/>
<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
use="optional"/>
<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="35.0"
use="optional"/>
<link:presentationArc
use="optional"
order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="37.0"
use="optional"/>
<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
use="optional"/>
<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="41.0"
use="optional"/>
<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="43.0"
use="optional"/>
<link:presentationArc
use="optional"
order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000026860Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000026860Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="45.0"
xlink:to="S000026860Member"
use="optional"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_InstitutionalMember"
xlink:type="locator"
xlink:label="InstitutionalMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000026860Participant"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="1.0"
xlink:to="RiskReturnHeading"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
order="2.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="3.0"
xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
order="4.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
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<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
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<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
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<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
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<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000026860Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000026860Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000026860Member"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
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xlink:type="locator"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_ParticipantMember"
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xlink:label="ParticipantMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000026860Signal"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
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<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="RiskReturnHeading"
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<link:presentationArc
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xlink:to="ObjectiveHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
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<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
order="10.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
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<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
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<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
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<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
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<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000026860Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000026860Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000026860Member"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_SignalMember"
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xlink:label="SignalMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000026864ETF"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="RiskReturnHeading"
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<link:presentationArc
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xlink:to="ObjectiveHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
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xlink:to="ObjectiveSecondaryTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
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<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
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<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
order="10.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
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<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000026864Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000026864Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000026864Member"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_ETFMember"
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xlink:label="ETFMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000026864Institutional"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
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<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="RiskReturnHeading"
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<link:presentationArc
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xlink:to="ObjectiveHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
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xlink:to="ObjectiveSecondaryTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
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xlink:to="ExpenseNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
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<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
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<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
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<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
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order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
use="optional"/>
<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
use="optional"/>
<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
use="optional"/>
<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="35.0"
use="optional"/>
<link:presentationArc
use="optional"
order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="37.0"
use="optional"/>
<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
use="optional"/>
<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="41.0"
use="optional"/>
<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="43.0"
use="optional"/>
<link:presentationArc
use="optional"
order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000026864Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000026864Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="45.0"
xlink:to="S000026864Member"
use="optional"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_InstitutionalMember"
xlink:type="locator"
xlink:label="InstitutionalMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000026864Participant"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="1.0"
xlink:to="RiskReturnHeading"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="3.0"
xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
order="4.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
order="6.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
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<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
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<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
order="10.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
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<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
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<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
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<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
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<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
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<link:presentationArc
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order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
use="optional"/>
<link:presentationArc
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order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="35.0"
use="optional"/>
<link:presentationArc
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order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="37.0"
use="optional"/>
<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
use="optional"/>
<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="41.0"
use="optional"/>
<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="43.0"
use="optional"/>
<link:presentationArc
use="optional"
order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000026864Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000026864Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="45.0"
xlink:to="S000026864Member"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
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<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_ParticipantMember"
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<link:presentationLink
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<link:loc
xlink:label="RiskReturnAbstract"
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<link:loc
xlink:type="locator"
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<link:loc
xlink:label="RiskReturnHeading"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
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<link:loc
xlink:label="ObjectivePrimaryTextBlock"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
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<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
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<link:loc
xlink:label="ShareholderFeesCaption"
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<link:loc
xlink:type="locator"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
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<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
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<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
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<link:loc
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<link:loc
xlink:type="locator"
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<link:loc
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<link:loc
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<link:loc
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<link:loc
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<link:loc
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<link:loc
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<link:loc
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<link:loc
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<link:loc
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<link:loc
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<link:loc
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<link:loc
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<link:loc
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<link:loc
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<link:loc
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<link:loc
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<link:loc
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<link:loc
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<link:loc
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<link:loc
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<link:loc
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<link:loc
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<link:loc
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<link:loc
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<link:loc
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<link:loc
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<link:loc
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<link:presentationArc
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<link:presentationArc
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<link:presentationArc
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xlink:to="ShareholderFeesCaption"
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<link:presentationArc
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<link:presentationArc
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<link:presentationArc
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xlink:to="AcquiredFundFeesAndExpensesOverAssets"
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<link:presentationArc
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xlink:to="ExpenseFootnotesTextBlock"
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<link:presentationArc
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xlink:to="ExpensesDeferredChargesTextBlock"
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<link:presentationArc
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xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
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<link:presentationArc
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xlink:to="ExpenseExampleHeading"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
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xlink:to="ExpenseExampleByYearHeading"
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<link:presentationArc
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xlink:to="ExpenseExampleNarrativeTextBlock"
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<link:presentationArc
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xlink:to="ExpenseExampleByYearCaption"
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<link:presentationArc
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<link:presentationArc
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<link:presentationArc
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<link:presentationArc
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<link:presentationArc
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<link:presentationArc
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<link:presentationArc
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<link:presentationArc
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xlink:label="ExpenseHeading"
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xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="1.0"
xlink:to="RiskReturnHeading"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
order="2.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="3.0"
xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
order="4.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
order="6.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
order="10.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
use="optional"/>
<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
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<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
use="optional"/>
<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="35.0"
use="optional"/>
<link:presentationArc
use="optional"
order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="37.0"
use="optional"/>
<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
use="optional"/>
<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="41.0"
use="optional"/>
<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="43.0"
use="optional"/>
<link:presentationArc
use="optional"
order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000026861Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000026861Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="45.0"
xlink:to="S000026861Member"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_ETFMember"
xlink:type="locator"
xlink:label="ETFMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000026861Institutional"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="RiskReturnHeading"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
order="6.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
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<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
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<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
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<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
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<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
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<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="35.0"
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<link:presentationArc
use="optional"
order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="37.0"
use="optional"/>
<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
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<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="41.0"
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<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="43.0"
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<link:presentationArc
use="optional"
order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000026861Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000026861Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="45.0"
xlink:to="S000026861Member"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_InstitutionalMember"
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xlink:label="InstitutionalMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000026861Participant"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="1.0"
xlink:to="RiskReturnHeading"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
order="2.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="3.0"
xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
order="4.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
order="6.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
use="optional"/>
<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
use="optional"/>
<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
use="optional"/>
<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="35.0"
use="optional"/>
<link:presentationArc
use="optional"
order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="37.0"
use="optional"/>
<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
use="optional"/>
<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="41.0"
use="optional"/>
<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="43.0"
use="optional"/>
<link:presentationArc
use="optional"
order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000026861Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000026861Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="45.0"
xlink:to="S000026861Member"
use="optional"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_ParticipantMember"
xlink:type="locator"
xlink:label="ParticipantMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000026861Signal"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="1.0"
xlink:to="RiskReturnHeading"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
order="2.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="3.0"
xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
order="4.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
order="6.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
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<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
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<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
order="10.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
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<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
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<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
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<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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use="optional"/>
<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
use="optional"/>
<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="41.0"
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<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="43.0"
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<link:presentationArc
use="optional"
order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000026861Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000026861Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000026861Member"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_SignalMember"
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xlink:label="SignalMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000026865ETF"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
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<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="RiskReturnHeading"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
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<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
order="10.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
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<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
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<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
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<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="35.0"
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<link:presentationArc
use="optional"
order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="37.0"
use="optional"/>
<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
use="optional"/>
<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="41.0"
use="optional"/>
<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="43.0"
use="optional"/>
<link:presentationArc
use="optional"
order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000026865Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000026865Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="45.0"
xlink:to="S000026865Member"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_ETFMember"
xlink:type="locator"
xlink:label="ETFMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000026865Institutional"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="RiskReturnHeading"
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<link:presentationArc
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xlink:to="ObjectiveHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
order="6.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
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<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
order="10.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
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<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000026865Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000026865Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000026865Member"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_InstitutionalMember"
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xlink:label="InstitutionalMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000026865Participant"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="RiskReturnHeading"
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<link:presentationArc
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xlink:to="ObjectiveHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
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xlink:to="ObjectiveSecondaryTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
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xlink:to="ExpenseNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
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<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
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<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
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<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
use="optional"/>
<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
use="optional"/>
<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
use="optional"/>
<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="35.0"
use="optional"/>
<link:presentationArc
use="optional"
order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="37.0"
use="optional"/>
<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
use="optional"/>
<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="41.0"
use="optional"/>
<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="43.0"
use="optional"/>
<link:presentationArc
use="optional"
order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000026865Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000026865Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="45.0"
xlink:to="S000026865Member"
use="optional"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_ParticipantMember"
xlink:type="locator"
xlink:label="ParticipantMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000026865Signal"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="1.0"
xlink:to="RiskReturnHeading"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
order="2.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="3.0"
xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
order="4.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
order="6.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
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<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
order="10.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
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<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
use="optional"/>
<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
use="optional"/>
<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
use="optional"/>
<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="35.0"
use="optional"/>
<link:presentationArc
use="optional"
order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="37.0"
use="optional"/>
<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
use="optional"/>
<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="41.0"
use="optional"/>
<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="43.0"
use="optional"/>
<link:presentationArc
use="optional"
order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000026865Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000026865Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000026865Member"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_SignalMember"
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xlink:label="RiskReturnAbstract"
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<link:loc
xlink:type="locator"
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<link:loc
xlink:label="RiskReturnHeading"
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xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
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<link:loc
xlink:label="ObjectivePrimaryTextBlock"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
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<link:loc
xlink:label="ShareholderFeesCaption"
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xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
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xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
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<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
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<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
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<link:loc
xlink:type="locator"
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<link:loc
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<link:loc
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<link:loc
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<link:loc
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<link:loc
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<link:loc
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<link:loc
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<link:loc
xlink:type="locator"
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<link:loc
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<link:loc
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<link:loc
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<link:loc
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<link:loc
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<link:loc
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<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
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<link:loc
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<link:presentationArc
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xlink:to="ShareholderFeesCaption"
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<link:presentationArc
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<link:presentationArc
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<link:presentationArc
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xlink:to="ExpenseFootnotesTextBlock"
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<link:presentationArc
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xlink:to="ExpensesDeferredChargesTextBlock"
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<link:presentationArc
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xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
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<link:presentationArc
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xlink:to="ExpenseExampleHeading"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
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xlink:to="ExpenseExampleByYearHeading"
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<link:presentationArc
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xlink:to="ExpenseExampleNarrativeTextBlock"
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<link:presentationArc
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xlink:to="ExpenseExampleByYearCaption"
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<link:presentationArc
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<link:presentationArc
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<link:presentationArc
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<link:presentationArc
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<link:presentationArc
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<link:presentationArc
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<link:presentationArc
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<link:presentationArc
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xlink:type="locator"
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xlink:type="locator"
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xlink:label="ExpenseHeading"
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xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
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xlink:label="ShareholderFeesCaption"
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xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="1.0"
xlink:to="RiskReturnHeading"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
order="2.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="3.0"
xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
order="4.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
order="6.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
order="10.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
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<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
use="optional"/>
<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
use="optional"/>
<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="35.0"
use="optional"/>
<link:presentationArc
use="optional"
order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="37.0"
use="optional"/>
<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
use="optional"/>
<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="41.0"
use="optional"/>
<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="43.0"
use="optional"/>
<link:presentationArc
use="optional"
order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000030002Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000030002Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="45.0"
xlink:to="S000030002Member"
use="optional"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_InstitutionalMember"
xlink:type="locator"
xlink:label="InstitutionalMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000030000ETF"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="RiskReturnHeading"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="3.0"
xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
order="4.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
order="6.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
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<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
order="10.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
use="optional"/>
<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
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<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
use="optional"/>
<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="35.0"
use="optional"/>
<link:presentationArc
use="optional"
order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="37.0"
use="optional"/>
<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
use="optional"/>
<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="41.0"
use="optional"/>
<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="43.0"
use="optional"/>
<link:presentationArc
use="optional"
order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000030000Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000030000Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="45.0"
xlink:to="S000030000Member"
use="optional"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_ETFMember"
xlink:type="locator"
xlink:label="ETFMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000030000Institutional"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="RiskReturnHeading"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="3.0"
xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
order="4.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
order="6.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
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<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
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<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
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<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
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<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
use="optional"/>
<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="35.0"
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<link:presentationArc
use="optional"
order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="37.0"
use="optional"/>
<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
use="optional"/>
<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="41.0"
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<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="43.0"
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<link:presentationArc
use="optional"
order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000030000Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000030000Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="45.0"
xlink:to="S000030000Member"
use="optional"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_InstitutionalMember"
xlink:type="locator"
xlink:label="InstitutionalMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000030001ETF"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="1.0"
xlink:to="RiskReturnHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
order="2.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="3.0"
xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
order="4.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
order="6.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
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<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
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<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
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<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
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<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
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<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
use="optional"/>
<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="41.0"
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<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="43.0"
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<link:presentationArc
use="optional"
order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000030001Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000030001Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000030001Member"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_ETFMember"
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xlink:label="ETFMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000030001Institutional"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
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<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="RiskReturnHeading"
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<link:presentationArc
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xlink:to="ObjectiveHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
order="10.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
use="optional"/>
<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
use="optional"/>
<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
use="optional"/>
<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="35.0"
use="optional"/>
<link:presentationArc
use="optional"
order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="37.0"
use="optional"/>
<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
use="optional"/>
<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="41.0"
use="optional"/>
<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="43.0"
use="optional"/>
<link:presentationArc
use="optional"
order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000030001Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000030001Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="45.0"
xlink:to="S000030001Member"
use="optional"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_InstitutionalMember"
xlink:type="locator"
xlink:label="InstitutionalMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000030005ETF"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="RiskReturnHeading"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="3.0"
xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
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<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
order="10.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000030005Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000030005Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000030005Member"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_ETFMember"
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xlink:label="ETFMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000030005Institutional"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
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xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
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xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="RiskReturnHeading"
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<link:presentationArc
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xlink:to="ObjectiveHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
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xlink:to="ObjectiveSecondaryTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
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xlink:to="ExpenseNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
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<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
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<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
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<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
use="optional"/>
<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
use="optional"/>
<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
use="optional"/>
<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:to="BarChartHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000030005Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000030005Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000030005Member"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
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xlink:type="locator"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_InstitutionalMember"
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<link:presentationLink
xlink:role="http://vanguard/role/S000030003ETF"
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xlink:label="RiskReturnAbstract"
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<link:loc
xlink:type="locator"
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xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
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<link:loc
xlink:label="ObjectivePrimaryTextBlock"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
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xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
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xlink:type="locator"/>
<link:loc
xlink:type="locator"
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<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
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<link:loc
xlink:type="locator"
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xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
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xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
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xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
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<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
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xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="RiskReturnHeading"
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<link:presentationArc
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xlink:to="ObjectiveHeading"
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<link:presentationArc
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xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
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xlink:to="ObjectiveSecondaryTextBlock"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpenseHeading"
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<link:presentationArc
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xlink:to="ExpenseNarrativeTextBlock"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ShareholderFeesCaption"
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<link:presentationArc
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xlink:to="ShareholderFeesTableTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="OperatingExpensesCaption"
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<link:presentationArc
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xlink:to="AcquiredFundFeesAndExpensesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpenseFootnotesTextBlock"
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<link:presentationArc
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xlink:to="ExpensesDeferredChargesTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
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<link:presentationArc
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xlink:to="ExpenseExampleHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpenseExampleByYearHeading"
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<link:presentationArc
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xlink:to="ExpenseExampleNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpenseExampleByYearCaption"
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<link:presentationArc
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xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
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<link:presentationArc
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xlink:to="ExpenseExampleNoRedemptionByYearCaption"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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xlink:to="BarChartNarrativeTextBlock"/>
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xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000030003Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000030003Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000030003Member"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_ETFMember"
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xlink:label="ETFMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000030003Institutional"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
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<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
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xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
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<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
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<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
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xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
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<link:loc
xlink:label="StrategyHeading"
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xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
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<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="RiskReturnHeading"
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<link:presentationArc
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xlink:to="ObjectiveHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
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xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
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xlink:to="ObjectiveSecondaryTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpenseHeading"
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<link:presentationArc
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xlink:to="ExpenseNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ShareholderFeesCaption"
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<link:presentationArc
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xlink:to="ShareholderFeesTableTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
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<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpenseFootnotesTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpenseExampleByYearHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpenseExampleByYearCaption"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
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<link:presentationArc
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xlink:to="ExpenseExampleNoRedemptionByYearCaption"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="BarChartAndPerformanceTableHeading"/>
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000030003Member"
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<link:presentationArc
xlink:from="LegalEntityAxis"
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xlink:to="S000030003Member"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_InstitutionalMember"
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xlink:label="InstitutionalMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000030004ETF"
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<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
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<link:loc
xlink:type="locator"
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xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="1.0"
xlink:to="RiskReturnHeading"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
order="2.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="3.0"
xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
order="4.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
order="6.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
order="10.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
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<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
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<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
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<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="35.0"
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<link:presentationArc
use="optional"
order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="37.0"
use="optional"/>
<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
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<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000030004Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000030004Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000030004Member"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_ETFMember"
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xlink:label="ETFMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000030004Institutional"
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<link:loc
xlink:label="RiskReturnAbstract"
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<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="1.0"
xlink:to="RiskReturnHeading"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
order="2.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="3.0"
xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
order="4.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
order="6.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
order="10.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
use="optional"/>
<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
use="optional"/>
<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
use="optional"/>
<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="35.0"
use="optional"/>
<link:presentationArc
use="optional"
order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="37.0"
use="optional"/>
<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
use="optional"/>
<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="41.0"
use="optional"/>
<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="43.0"
use="optional"/>
<link:presentationArc
use="optional"
order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000030004Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000030004Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="45.0"
xlink:to="S000030004Member"
use="optional"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_InstitutionalMember"
xlink:type="locator"
xlink:label="InstitutionalMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000030006ETF"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="1.0"
xlink:to="RiskReturnHeading"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
order="2.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="3.0"
xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
order="4.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
order="6.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
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<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
use="optional"/>
<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
use="optional"/>
<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
use="optional"/>
<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="35.0"
use="optional"/>
<link:presentationArc
use="optional"
order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="37.0"
use="optional"/>
<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
use="optional"/>
<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="41.0"
use="optional"/>
<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="43.0"
use="optional"/>
<link:presentationArc
use="optional"
order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000030006Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000030006Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="45.0"
xlink:to="S000030006Member"
use="optional"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_ETFMember"
xlink:type="locator"
xlink:label="ETFMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000030006Institutional"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="1.0"
xlink:to="RiskReturnHeading"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
order="2.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="3.0"
xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
order="4.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
order="6.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
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<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
order="10.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
use="optional"/>
<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
use="optional"/>
<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
use="optional"/>
<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="35.0"
use="optional"/>
<link:presentationArc
use="optional"
order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="37.0"
use="optional"/>
<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
use="optional"/>
<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="41.0"
use="optional"/>
<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="43.0"
use="optional"/>
<link:presentationArc
use="optional"
order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000030006Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000030006Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="45.0"
xlink:to="S000030006Member"
use="optional"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_InstitutionalMember"
xlink:type="locator"
xlink:label="InstitutionalMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000026862ETF"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="1.0"
xlink:to="RiskReturnHeading"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="3.0"
xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
order="4.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
order="6.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
order="10.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
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<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
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<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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use="optional"/>
<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
use="optional"/>
<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000026862Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000026862Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000026862Member"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_ETFMember"
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xlink:label="ETFMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000026862Institutional"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="RiskReturnHeading"
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<link:presentationArc
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xlink:to="ObjectiveHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
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<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
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<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
order="10.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
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<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000026862Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000026862Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000026862Member"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_InstitutionalMember"
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xlink:label="InstitutionalMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000026862Participant"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="RiskReturnHeading"
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<link:presentationArc
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xlink:to="ObjectiveHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
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xlink:to="ObjectiveSecondaryTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
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xlink:to="ExpenseNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
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<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
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<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
use="optional"/>
<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
use="optional"/>
<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:to="BarChartHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:to="PerformanceTableHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000026862Member"
xlink:type="locator"
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<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000026862Member"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
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xlink:type="locator"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_ParticipantMember"
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<link:presentationLink
xlink:role="http://vanguard/role/S000026862Signal"
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<link:loc
xlink:label="RiskReturnAbstract"
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<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
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xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="RiskReturnHeading"
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<link:presentationArc
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xlink:to="ObjectiveHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
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xlink:to="ObjectiveSecondaryTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
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xlink:to="ExpenseNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
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<link:presentationArc
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xlink:to="ShareholderFeesTableTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
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<link:presentationArc
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xlink:to="AcquiredFundFeesAndExpensesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
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<link:presentationArc
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xlink:to="ExpensesDeferredChargesTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpenseExampleByYearHeading"
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<link:presentationArc
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xlink:to="ExpenseExampleNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
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<link:presentationArc
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xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
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<link:presentationArc
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xlink:to="ExpenseExampleNoRedemptionByYearCaption"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
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<link:presentationArc
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order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
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<link:presentationArc
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order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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use="optional"/>
<link:presentationArc
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order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="37.0"
use="optional"/>
<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
use="optional"/>
<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="41.0"
use="optional"/>
<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000026862Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000026862Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000026862Member"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_SignalMember"
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<link:presentationLink
xlink:role="http://vanguard/role/S000026859ETF"
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<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
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<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
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<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
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xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
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<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
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<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
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<link:loc
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xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
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<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
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<link:loc
xlink:type="locator"
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<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
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<link:loc
xlink:type="locator"
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<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
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<link:loc
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<link:loc
xlink:type="locator"
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<link:loc
xlink:label="StrategyHeading"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
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<link:loc
xlink:label="RiskHeading"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
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<link:loc
xlink:label="RiskFootnotesTextBlock"
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<link:loc
xlink:type="locator"
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<link:loc
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
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<link:loc
xlink:label="BarChartNarrativeTextBlock"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
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<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
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<link:loc
xlink:type="locator"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
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<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="RiskReturnHeading"
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<link:presentationArc
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xlink:to="ObjectiveHeading"
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<link:presentationArc
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<link:presentationArc
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xlink:to="ObjectiveSecondaryTextBlock"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpenseHeading"
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<link:presentationArc
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xlink:to="ExpenseNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ShareholderFeesCaption"
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<link:presentationArc
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xlink:to="ShareholderFeesTableTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="OperatingExpensesCaption"
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<link:presentationArc
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xlink:to="AcquiredFundFeesAndExpensesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpenseFootnotesTextBlock"
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<link:presentationArc
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xlink:to="ExpensesDeferredChargesTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
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<link:presentationArc
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xlink:to="ExpenseExampleHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
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xlink:to="ExpenseExampleByYearHeading"
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<link:presentationArc
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xlink:to="ExpenseExampleNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:from="RiskReturnAbstract"
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xlink:to="ExpenseExampleByYearCaption"
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<link:presentationArc
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<link:presentationArc
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xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
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<link:presentationArc
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<link:presentationArc
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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<link:presentationArc
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:loc
xlink:label="S000026859Member"
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<link:presentationArc
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<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_ETFMember"
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<link:presentationLink
xlink:role="http://vanguard/role/S000026859Institutional"
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xlink:label="RiskReturnAbstract"
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<link:loc
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<link:loc
xlink:label="RiskReturnHeading"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
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<link:loc
xlink:label="ObjectivePrimaryTextBlock"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="RiskReturnHeading"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="3.0"
xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
order="4.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
order="6.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
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<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
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<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
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<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
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<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
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<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
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<link:loc
xlink:label="S000026859Member"
xlink:type="locator"
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<link:presentationArc
xlink:from="LegalEntityAxis"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000026859Member"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
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<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_InstitutionalMember"
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<link:presentationLink
xlink:role="http://vanguard/role/S000026859Participant"
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<link:loc
xlink:label="RiskReturnAbstract"
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<link:loc
xlink:type="locator"
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<link:loc
xlink:label="RiskReturnHeading"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
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<link:loc
xlink:label="ObjectivePrimaryTextBlock"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
xlink:label="RiskNarrativeTextBlock"/>
<link:loc
xlink:label="RiskFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
xlink:label="RiskClosingTextBlock"/>
<link:loc
xlink:label="BarChartAndPerformanceTableHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartAndPerformanceTableHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceNarrativeTextBlock"
xlink:label="PerformanceNarrativeTextBlock"/>
<link:loc
xlink:label="BarChartNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartHeading"
xlink:label="BarChartHeading"/>
<link:loc
xlink:label="BarChartTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartFootnotesTextBlock"
xlink:label="BarChartFootnotesTextBlock"/>
<link:loc
xlink:label="BarChartClosingTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_BarChartClosingTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableHeading"
xlink:label="PerformanceTableHeading"/>
<link:loc
xlink:label="PerformanceTableNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableTextBlock"
xlink:label="PerformanceTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
xlink:label="MarketIndexPerformanceTableTextBlock"/>
<link:loc
xlink:label="PerformanceTableFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceTableClosingTextBlock"
xlink:label="PerformanceTableClosingTextBlock"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="1.0"
xlink:to="RiskReturnHeading"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveHeading"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="3.0"
xlink:to="ObjectivePrimaryTextBlock"
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<link:presentationArc
use="optional"
xlink:to="ObjectiveSecondaryTextBlock"
order="4.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="ExpenseHeading"
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<link:presentationArc
use="optional"
xlink:to="ExpenseNarrativeTextBlock"
order="6.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="7.0"
xlink:to="ShareholderFeesCaption"
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<link:presentationArc
use="optional"
xlink:to="ShareholderFeesTableTextBlock"
order="8.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="9.0"
xlink:to="OperatingExpensesCaption"
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<link:presentationArc
use="optional"
xlink:to="AcquiredFundFeesAndExpensesOverAssets"
order="10.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="11.0"
xlink:to="ExpenseFootnotesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpensesDeferredChargesTextBlock"
order="12.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="13.0"
xlink:to="ExpensesRangeOfExchangeFeesTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleHeading"
order="14.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="15.0"
xlink:to="ExpenseExampleByYearHeading"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNarrativeTextBlock"
order="16.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="17.0"
xlink:to="ExpenseExampleByYearCaption"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleWithRedemptionTableTextBlock"
order="18.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="19.0"
xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
use="optional"/>
<link:presentationArc
use="optional"
xlink:to="ExpenseExampleNoRedemptionByYearCaption"
order="20.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="21.0"
use="optional"/>
<link:presentationArc
use="optional"
order="22.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="ExpenseExampleFootnotesTextBlock"/>
<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="23.0"
use="optional"/>
<link:presentationArc
use="optional"
order="24.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PortfolioTurnoverHeading"/>
<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="25.0"
use="optional"/>
<link:presentationArc
use="optional"
order="26.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="StrategyHeading"/>
<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="27.0"
use="optional"/>
<link:presentationArc
use="optional"
order="28.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskHeading"/>
<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="29.0"
use="optional"/>
<link:presentationArc
use="optional"
order="30.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="RiskFootnotesTextBlock"/>
<link:presentationArc
xlink:to="RiskClosingTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="31.0"
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<link:presentationArc
use="optional"
order="32.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartAndPerformanceTableHeading"/>
<link:presentationArc
xlink:to="PerformanceNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="33.0"
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<link:presentationArc
use="optional"
order="34.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartNarrativeTextBlock"/>
<link:presentationArc
xlink:to="BarChartHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="35.0"
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<link:presentationArc
use="optional"
order="36.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartTableTextBlock"/>
<link:presentationArc
xlink:to="BarChartFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="37.0"
use="optional"/>
<link:presentationArc
use="optional"
order="38.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="BarChartClosingTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableHeading"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="39.0"
use="optional"/>
<link:presentationArc
use="optional"
order="40.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableNarrativeTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="41.0"
use="optional"/>
<link:presentationArc
use="optional"
order="42.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="MarketIndexPerformanceTableTextBlock"/>
<link:presentationArc
xlink:to="PerformanceTableFootnotesTextBlock"
xlink:from="RiskReturnAbstract"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="43.0"
use="optional"/>
<link:presentationArc
use="optional"
order="44.0"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
xlink:from="RiskReturnAbstract"
xlink:to="PerformanceTableClosingTextBlock"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="S000026859Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000026859Member"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="S000026859Member"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"
xlink:type="locator"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_ParticipantMember"
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xlink:label="ParticipantMember"/></link:presentationLink>
<link:presentationLink
xlink:role="http://vanguard/role/S000026859Signal"
xlink:type="extended">
<link:loc
xlink:label="RiskReturnAbstract"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnAbstract"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentInformationDocumentAxis"
xlink:label="DocumentInformationDocumentAxis"/>
<link:loc
xlink:label="RiskReturnHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskReturnHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveHeading"
xlink:label="ObjectiveHeading"/>
<link:loc
xlink:label="ObjectivePrimaryTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectivePrimaryTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ObjectiveSecondaryTextBlock"
xlink:label="ObjectiveSecondaryTextBlock"/>
<link:loc
xlink:label="ExpenseHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseNarrativeTextBlock"
xlink:label="ExpenseNarrativeTextBlock"/>
<link:loc
xlink:label="ShareholderFeesCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareholderFeesTableTextBlock"
xlink:label="ShareholderFeesTableTextBlock"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_OperatingExpensesCaption"
xlink:label="OperatingExpensesCaption"/>
<link:loc
xlink:label="AcquiredFundFeesAndExpensesOverAssets"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AcquiredFundFeesAndExpensesOverAssets"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseFootnotesTextBlock"
xlink:label="ExpenseFootnotesTextBlock"/>
<link:loc
xlink:label="ExpensesDeferredChargesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesDeferredChargesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpensesRangeOfExchangeFeesTextBlock"
xlink:label="ExpensesRangeOfExchangeFeesTextBlock"/>
<link:loc
xlink:label="ExpenseExampleHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearHeading"
xlink:label="ExpenseExampleByYearHeading"/>
<link:loc
xlink:label="ExpenseExampleNarrativeTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNarrativeTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleByYearCaption"
xlink:label="ExpenseExampleByYearCaption"/>
<link:loc
xlink:label="ExpenseExampleWithRedemptionTableTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleWithRedemptionTableTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionNarrativeTextBlock"
xlink:label="ExpenseExampleNoRedemptionNarrativeTextBlock"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionByYearCaption"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionByYearCaption"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionTableTextBlock"
xlink:label="ExpenseExampleNoRedemptionTableTextBlock"/>
<link:loc
xlink:label="ExpenseExampleFootnotesTextBlock"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleFootnotesTextBlock"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleClosingTextBlock"
xlink:label="ExpenseExampleClosingTextBlock"/>
<link:loc
xlink:label="PortfolioTurnoverHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PortfolioTurnoverHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"
xlink:label="ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:label="StrategyHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyHeading"
xlink:type="locator"/>
<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_StrategyNarrativeTextBlock"
xlink:label="StrategyNarrativeTextBlock"/>
<link:loc
xlink:label="RiskHeading"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskHeading"
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskNarrativeTextBlock"
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<link:loc
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_RiskClosingTextBlock"
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<link:loc
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<link:loc
xlink:type="locator"
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<link:loc
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<link:loc
xlink:type="locator"
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<link:loc
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<link:loc
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<link:loc
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<link:loc
xlink:type="locator"
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<link:loc
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<link:loc
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<link:loc
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_MarketIndexPerformanceTableTextBlock"
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<link:loc
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<link:loc
xlink:type="locator"
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<link:presentationArc
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<link:presentationArc
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<link:presentationArc
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<link:presentationArc
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<link:presentationArc
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<link:presentationArc
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<link:presentationArc
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<link:presentationArc
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<link:presentationArc
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<link:presentationArc
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<link:presentationArc
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<link:presentationArc
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xlink:to="ExpenseExampleByYearHeading"
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<link:presentationArc
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<link:presentationArc
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xlink:to="ExpenseExampleByYearCaption"
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<link:presentationArc
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<link:presentationArc
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xlink:to="ExpenseExampleNoRedemptionNarrativeTextBlock"
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<link:presentationArc
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xlink:to="ExpenseExampleNoRedemptionByYearCaption"
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<link:presentationArc
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:to="ExpenseExampleClosingTextBlock"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:to="ExpenseExampleNoRedemptionAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
xlink:to="StrategyNarrativeTextBlock"
xlink:from="RiskReturnAbstract"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
xlink:to="RiskNarrativeTextBlock"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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<link:loc
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<link:loc
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<link:loc
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<link:loc
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<link:loc
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:loc
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<link:loc
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<link:loc
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xlink:label="PerformanceMeasureAxis"
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<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ShareClassDomain"
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<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_AfterTaxesOnDistributionsMember"
xlink:label="AfterTaxesOnDistributionsMember"
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<link:loc
xlink:type="locator"
xlink:label="AfterTaxesOnDistributionsAndSalesMember"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_EntityDomain"
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<link:loc
xlink:type="locator"
xlink:label="PerformanceMeasureDomain"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceMeasureDomain"/>
<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear05"
order="3.0"/>
<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear10"
order="4.0"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="S000028087Member"
use="optional"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_C000085513Member"
xlink:type="locator"
xlink:label="C000085513Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="6.0"
xlink:to="C000085513Member"
use="optional"/></link:presentationLink>
<link:presentationLink
xlink:type="extended"
xlink:role="http://vanguard/role/S000030004ExpenseExampleNoRedemptionETF">
<link:loc
xlink:type="locator"
xlink:label="ProspectusShareClassAxis"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ProspectusShareClassAxis"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionAbstract"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear01"
xlink:type="locator"
xlink:label="ExpenseExampleNoRedemptionYear01"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear03"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear05"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear05"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear10"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear10"/>
<link:loc
xlink:label="S000030004Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000030004Member"/>
<link:presentationArc
order="1.0"
xlink:to="ExpenseExampleNoRedemptionYear01"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
use="optional"
priority="0"/>
<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear03"
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<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear05"
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<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear10"
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<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="S000030004Member"
use="optional"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_C000092017Member"
xlink:type="locator"
xlink:label="C000092017Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="C000092017Member"
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<link:presentationLink
xlink:type="extended"
xlink:role="http://vanguard/role/S000030002ExpenseExampleNoRedemptionETF">
<link:loc
xlink:type="locator"
xlink:label="ProspectusShareClassAxis"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ProspectusShareClassAxis"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionAbstract"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear01"
xlink:type="locator"
xlink:label="ExpenseExampleNoRedemptionYear01"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear03"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear05"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear05"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear10"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear10"/>
<link:loc
xlink:label="S000030002Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000030002Member"/>
<link:presentationArc
order="1.0"
xlink:to="ExpenseExampleNoRedemptionYear01"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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priority="0"/>
<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear03"
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<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear05"
order="3.0"/>
<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear10"
order="4.0"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="S000030002Member"
use="optional"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_C000092014Member"
xlink:type="locator"
xlink:label="C000092014Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="6.0"
xlink:to="C000092014Member"
use="optional"/></link:presentationLink>
<link:presentationLink
xlink:type="extended"
xlink:role="http://vanguard/role/S000030006ExpenseExampleNoRedemptionETF">
<link:loc
xlink:type="locator"
xlink:label="ProspectusShareClassAxis"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ProspectusShareClassAxis"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionAbstract"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear01"
xlink:type="locator"
xlink:label="ExpenseExampleNoRedemptionYear01"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear03"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear05"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear05"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear10"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear10"/>
<link:loc
xlink:label="S000030006Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000030006Member"/>
<link:presentationArc
order="1.0"
xlink:to="ExpenseExampleNoRedemptionYear01"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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priority="0"/>
<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear03"
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<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear05"
order="3.0"/>
<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear10"
order="4.0"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="S000030006Member"
use="optional"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_C000092022Member"
xlink:type="locator"
xlink:label="C000092022Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="6.0"
xlink:to="C000092022Member"
use="optional"/></link:presentationLink>
<link:presentationLink
xlink:type="extended"
xlink:role="http://vanguard/role/S000030001ExpenseExampleNoRedemptionETF">
<link:loc
xlink:type="locator"
xlink:label="ProspectusShareClassAxis"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ProspectusShareClassAxis"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionAbstract"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear01"
xlink:type="locator"
xlink:label="ExpenseExampleNoRedemptionYear01"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear03"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear05"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear05"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear10"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear10"/>
<link:loc
xlink:label="S000030001Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000030001Member"/>
<link:presentationArc
order="1.0"
xlink:to="ExpenseExampleNoRedemptionYear01"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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priority="0"/>
<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear03"
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<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear05"
order="3.0"/>
<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear10"
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<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="S000030001Member"
use="optional"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_C000092012Member"
xlink:type="locator"
xlink:label="C000092012Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="6.0"
xlink:to="C000092012Member"
use="optional"/></link:presentationLink>
<link:presentationLink
xlink:type="extended"
xlink:role="http://vanguard/role/S000030005ExpenseExampleNoRedemptionETF">
<link:loc
xlink:type="locator"
xlink:label="ProspectusShareClassAxis"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ProspectusShareClassAxis"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionAbstract"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear01"
xlink:type="locator"
xlink:label="ExpenseExampleNoRedemptionYear01"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear03"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear05"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear05"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear10"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear10"/>
<link:loc
xlink:label="S000030005Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000030005Member"/>
<link:presentationArc
order="1.0"
xlink:to="ExpenseExampleNoRedemptionYear01"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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priority="0"/>
<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear03"
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<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear05"
order="3.0"/>
<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear10"
order="4.0"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="S000030005Member"
use="optional"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_C000092020Member"
xlink:type="locator"
xlink:label="C000092020Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="C000092020Member"
use="optional"/></link:presentationLink>
<link:presentationLink
xlink:type="extended"
xlink:role="http://vanguard/role/S000030003ExpenseExampleNoRedemptionETF">
<link:loc
xlink:type="locator"
xlink:label="ProspectusShareClassAxis"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ProspectusShareClassAxis"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionAbstract"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear01"
xlink:type="locator"
xlink:label="ExpenseExampleNoRedemptionYear01"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear03"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear05"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear05"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear10"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear10"/>
<link:loc
xlink:label="S000030003Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000030003Member"/>
<link:presentationArc
order="1.0"
xlink:to="ExpenseExampleNoRedemptionYear01"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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priority="0"/>
<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear03"
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<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear05"
order="3.0"/>
<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear10"
order="4.0"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="S000030003Member"
use="optional"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_C000092016Member"
xlink:type="locator"
xlink:label="C000092016Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="6.0"
xlink:to="C000092016Member"
use="optional"/></link:presentationLink>
<link:presentationLink
xlink:type="extended"
xlink:role="http://vanguard/role/S000030000ExpenseExampleNoRedemptionInstitutional">
<link:loc
xlink:type="locator"
xlink:label="ProspectusShareClassAxis"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ProspectusShareClassAxis"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionAbstract"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear01"
xlink:type="locator"
xlink:label="ExpenseExampleNoRedemptionYear01"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear03"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear05"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear05"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear10"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear10"/>
<link:loc
xlink:label="S000030000Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000030000Member"/>
<link:presentationArc
order="1.0"
xlink:to="ExpenseExampleNoRedemptionYear01"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
use="optional"
priority="0"/>
<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear03"
order="2.0"/>
<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear05"
order="3.0"/>
<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear10"
order="4.0"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="S000030000Member"
use="optional"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_C000092009Member"
xlink:type="locator"
xlink:label="C000092009Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="6.0"
xlink:to="C000092009Member"
use="optional"/></link:presentationLink>
<link:presentationLink
xlink:type="extended"
xlink:role="http://vanguard/role/S000030003ExpenseExampleNoRedemptionInstitutional">
<link:loc
xlink:type="locator"
xlink:label="ProspectusShareClassAxis"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ProspectusShareClassAxis"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionAbstract"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear01"
xlink:type="locator"
xlink:label="ExpenseExampleNoRedemptionYear01"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear03"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear05"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear05"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear10"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear10"/>
<link:loc
xlink:label="S000030003Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000030003Member"/>
<link:presentationArc
order="1.0"
xlink:to="ExpenseExampleNoRedemptionYear01"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
use="optional"
priority="0"/>
<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear03"
order="2.0"/>
<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear05"
order="3.0"/>
<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear10"
order="4.0"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="S000030003Member"
use="optional"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_C000092015Member"
xlink:type="locator"
xlink:label="C000092015Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="6.0"
xlink:to="C000092015Member"
use="optional"/></link:presentationLink>
<link:presentationLink
xlink:type="extended"
xlink:role="http://vanguard/role/S000030005ExpenseExampleNoRedemptionInstitutional">
<link:loc
xlink:type="locator"
xlink:label="ProspectusShareClassAxis"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ProspectusShareClassAxis"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionAbstract"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear01"
xlink:type="locator"
xlink:label="ExpenseExampleNoRedemptionYear01"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear03"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear05"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear05"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear10"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear10"/>
<link:loc
xlink:label="S000030005Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000030005Member"/>
<link:presentationArc
order="1.0"
xlink:to="ExpenseExampleNoRedemptionYear01"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
use="optional"
priority="0"/>
<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear03"
order="2.0"/>
<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear05"
order="3.0"/>
<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear10"
order="4.0"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="S000030005Member"
use="optional"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_C000092019Member"
xlink:type="locator"
xlink:label="C000092019Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="6.0"
xlink:to="C000092019Member"
use="optional"/></link:presentationLink>
<link:presentationLink
xlink:type="extended"
xlink:role="http://vanguard/role/S000030001ExpenseExampleNoRedemptionInstitutional">
<link:loc
xlink:type="locator"
xlink:label="ProspectusShareClassAxis"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ProspectusShareClassAxis"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionAbstract"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear01"
xlink:type="locator"
xlink:label="ExpenseExampleNoRedemptionYear01"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear03"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear05"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear05"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear10"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear10"/>
<link:loc
xlink:label="S000030001Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000030001Member"/>
<link:presentationArc
order="1.0"
xlink:to="ExpenseExampleNoRedemptionYear01"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
use="optional"
priority="0"/>
<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear03"
order="2.0"/>
<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear05"
order="3.0"/>
<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear10"
order="4.0"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="S000030001Member"
use="optional"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_C000092011Member"
xlink:type="locator"
xlink:label="C000092011Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="6.0"
xlink:to="C000092011Member"
use="optional"/></link:presentationLink>
<link:presentationLink
xlink:type="extended"
xlink:role="http://vanguard/role/S000030002ExpenseExampleNoRedemptionInstitutional">
<link:loc
xlink:type="locator"
xlink:label="ProspectusShareClassAxis"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ProspectusShareClassAxis"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionAbstract"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear01"
xlink:type="locator"
xlink:label="ExpenseExampleNoRedemptionYear01"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear03"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear05"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear05"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear10"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear10"/>
<link:loc
xlink:label="S000030002Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000030002Member"/>
<link:presentationArc
order="1.0"
xlink:to="ExpenseExampleNoRedemptionYear01"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
use="optional"
priority="0"/>
<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear03"
order="2.0"/>
<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear05"
order="3.0"/>
<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear10"
order="4.0"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="S000030002Member"
use="optional"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_C000092013Member"
xlink:type="locator"
xlink:label="C000092013Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="6.0"
xlink:to="C000092013Member"
use="optional"/></link:presentationLink>
<link:presentationLink
xlink:type="extended"
xlink:role="http://vanguard/role/S000030000ExpenseExampleNoRedemptionETF">
<link:loc
xlink:type="locator"
xlink:label="ProspectusShareClassAxis"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ProspectusShareClassAxis"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionAbstract"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear01"
xlink:type="locator"
xlink:label="ExpenseExampleNoRedemptionYear01"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear03"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear05"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear05"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear10"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear10"/>
<link:loc
xlink:label="S000030000Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000030000Member"/>
<link:presentationArc
order="1.0"
xlink:to="ExpenseExampleNoRedemptionYear01"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
use="optional"
priority="0"/>
<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear03"
order="2.0"/>
<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear05"
order="3.0"/>
<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear10"
order="4.0"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="S000030000Member"
use="optional"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_C000092010Member"
xlink:type="locator"
xlink:label="C000092010Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="6.0"
xlink:to="C000092010Member"
use="optional"/></link:presentationLink>
<link:presentationLink
xlink:type="extended"
xlink:role="http://vanguard/role/S000030004ExpenseExampleNoRedemptionInstitutional">
<link:loc
xlink:type="locator"
xlink:label="ProspectusShareClassAxis"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ProspectusShareClassAxis"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionAbstract"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear01"
xlink:type="locator"
xlink:label="ExpenseExampleNoRedemptionYear01"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear03"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear05"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear05"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear10"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear10"/>
<link:loc
xlink:label="S000030004Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000030004Member"/>
<link:presentationArc
order="1.0"
xlink:to="ExpenseExampleNoRedemptionYear01"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
use="optional"
priority="0"/>
<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear03"
order="2.0"/>
<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear05"
order="3.0"/>
<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear10"
order="4.0"/>
<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="S000030004Member"
use="optional"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_C000092018Member"
xlink:type="locator"
xlink:label="C000092018Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="6.0"
xlink:to="C000092018Member"
use="optional"/></link:presentationLink>
<link:presentationLink
xlink:type="extended"
xlink:role="http://vanguard/role/S000030006ExpenseExampleNoRedemptionInstitutional">
<link:loc
xlink:type="locator"
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xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
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xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionAbstract"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear01"
xlink:type="locator"
xlink:label="ExpenseExampleNoRedemptionYear01"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear03"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear05"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear05"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear10"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear10"/>
<link:loc
xlink:label="S000026865Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000026865Member"/>
<link:presentationArc
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xlink:to="ExpenseExampleNoRedemptionYear01"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
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<link:presentationArc
xlink:from="LegalEntityAxis"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="S000026865Member"
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<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_C000080859Member"
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xlink:label="C000080859Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:loc
xlink:type="locator"
xlink:label="ProspectusShareClassAxis"
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<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionAbstract"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear01"
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xlink:label="ExpenseExampleNoRedemptionYear01"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear03"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear05"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear05"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear10"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear10"/>
<link:loc
xlink:label="S000026859Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000026859Member"/>
<link:presentationArc
order="1.0"
xlink:to="ExpenseExampleNoRedemptionYear01"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
priority="0"
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xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
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<link:presentationArc
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear05"
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<link:presentationArc
priority="0"
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xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
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<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="S000026859Member"
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<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_C000080841Member"
xlink:type="locator"
xlink:label="C000080841Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="C000080841Member"
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<link:presentationLink
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xlink:role="http://vanguard/role/S000026860ExpenseExampleNoRedemptionParticipant">
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xlink:type="locator"
xlink:label="ProspectusShareClassAxis"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ProspectusShareClassAxis"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionAbstract"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear01"
xlink:type="locator"
xlink:label="ExpenseExampleNoRedemptionYear01"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear03"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear05"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear05"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear10"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear10"/>
<link:loc
xlink:label="S000026860Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000026860Member"/>
<link:presentationArc
order="1.0"
xlink:to="ExpenseExampleNoRedemptionYear01"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:type="arc"
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priority="0"/>
<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear03"
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<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear05"
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<link:presentationArc
priority="0"
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xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear10"
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<link:presentationArc
xlink:from="LegalEntityAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="S000026860Member"
use="optional"/>
<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_C000080844Member"
xlink:type="locator"
xlink:label="C000080844Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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xlink:to="C000080844Member"
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<link:presentationLink
xlink:type="extended"
xlink:role="http://vanguard/role/S000026861ExpenseExampleNoRedemptionParticipant">
<link:loc
xlink:type="locator"
xlink:label="ProspectusShareClassAxis"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ProspectusShareClassAxis"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionAbstract"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear01"
xlink:type="locator"
xlink:label="ExpenseExampleNoRedemptionYear01"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear03"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear05"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear05"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear10"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear10"/>
<link:loc
xlink:label="S000026861Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000026861Member"/>
<link:presentationArc
order="1.0"
xlink:to="ExpenseExampleNoRedemptionYear01"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
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<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear05"
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<link:presentationArc
priority="0"
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xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYear10"
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<link:presentationArc
xlink:from="LegalEntityAxis"
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xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
order="5.0"
xlink:to="S000026861Member"
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<link:loc
xlink:href="scottsdale-20121221.xsd#vanguard_C000080847Member"
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xlink:label="C000080847Member"/>
<link:presentationArc
xlink:from="ProspectusShareClassAxis"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationLink
xlink:type="extended"
xlink:role="http://vanguard/role/S000026862ExpenseExampleNoRedemptionParticipant">
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xlink:type="locator"
xlink:label="ProspectusShareClassAxis"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ProspectusShareClassAxis"/>
<link:loc
xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis"
xlink:label="LegalEntityAxis"
xlink:type="locator"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionAbstract"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionAbstract"/>
<link:loc
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear01"
xlink:type="locator"
xlink:label="ExpenseExampleNoRedemptionYear01"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear03"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear03"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear05"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear05"/>
<link:loc
xlink:label="ExpenseExampleNoRedemptionYear10"
xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_ExpenseExampleNoRedemptionYear10"/>
<link:loc
xlink:label="S000026862Member"
xlink:type="locator"
xlink:href="scottsdale-20121221.xsd#vanguard_S000026862Member"/>
<link:presentationArc
order="1.0"
xlink:to="ExpenseExampleNoRedemptionYear01"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
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<link:presentationArc
priority="0"
use="optional"
xlink:type="arc"
xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child"
xlink:from="ExpenseExampleNoRedemptionAbstract"
xlink:to="ExpenseExampleNoRedemptionYe