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<!-- Generated by DFIN XBRL Schema Document - http://www.dfinsolutions.com/ - on 26-08-2026 01:54:52 PM -->
<!-- Copyright(c) 2026 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
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				<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AllRisksMember" xlink:to="IlliquidInvestmentsRiskMember" order="15.0"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_IndexedAndInverseSecuritiesRiskMember" xlink:label="IndexedAndInverseSecuritiesRiskMember"/>
				<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AllRisksMember" xlink:to="IndexedAndInverseSecuritiesRiskMember" order="16.0"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_LargeShareholderAndLargeScaleRedemptionRiskMember" xlink:label="LargeShareholderAndLargeScaleRedemptionRiskMember"/>
				<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AllRisksMember" xlink:to="LargeShareholderAndLargeScaleRedemptionRiskMember" order="17.0"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_LeverageRiskMember" xlink:label="LeverageRiskMember"/>
				<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AllRisksMember" xlink:to="LeverageRiskMember" order="18.0"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_LoansRiskMember" xlink:label="LoansRiskMember"/>
				<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AllRisksMember" xlink:to="LoansRiskMember" order="19.0"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_ManagementRiskMember" xlink:label="ManagementRiskMember"/>
				<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AllRisksMember" xlink:to="ManagementRiskMember" order="20.0"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_MarketRiskAndSelectionRiskMember" xlink:label="MarketRiskAndSelectionRiskMember"/>
				<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AllRisksMember" xlink:to="MarketRiskAndSelectionRiskMember" order="21.0"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_MarketTradingRiskMember" xlink:label="MarketTradingRiskMember"/>
				<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AllRisksMember" xlink:to="MarketTradingRiskMember" order="22.0"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_OperationalAndTechnologyRisksMember" xlink:label="OperationalAndTechnologyRisksMember"/>
				<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AllRisksMember" xlink:to="OperationalAndTechnologyRisksMember" order="23.0"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_RepurchaseAgreementsAndPurchaseAndSaleContractsRiskMember" xlink:label="RepurchaseAgreementsAndPurchaseAndSaleContractsRiskMember"/>
				<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AllRisksMember" xlink:to="RepurchaseAgreementsAndPurchaseAndSaleContractsRiskMember" order="24.0"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_ReverseRepurchaseAgreementsRiskMember" xlink:label="ReverseRepurchaseAgreementsRiskMember"/>
				<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AllRisksMember" xlink:to="ReverseRepurchaseAgreementsRiskMember" order="25.0"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_RiskOfInvestingInTheUnitedStatesMember" xlink:label="RiskOfInvestingInTheUnitedStatesMember"/>
				<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AllRisksMember" xlink:to="RiskOfInvestingInTheUnitedStatesMember" order="26.0"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_USGovernmentIssuerRiskMember" xlink:label="USGovernmentIssuerRiskMember"/>
				<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AllRisksMember" xlink:to="USGovernmentIssuerRiskMember" order="27.0"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_USGovernmentMortgageRelatedSecuritiesRiskMember" xlink:label="USGovernmentMortgageRelatedSecuritiesRiskMember"/>
				<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AllRisksMember" xlink:to="USGovernmentMortgageRelatedSecuritiesRiskMember" order="28.0"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_USGovernmentObligationsRiskMember" xlink:label="USGovernmentObligationsRiskMember"/>
				<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AllRisksMember" xlink:to="USGovernmentObligationsRiskMember" order="29.0"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_VariableAndFloatingRateInstrumentRiskMember" xlink:label="VariableAndFloatingRateInstrumentRiskMember"/>
				<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AllRisksMember" xlink:to="VariableAndFloatingRateInstrumentRiskMember" order="30.0"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_WhenIssuedAndDelayedDeliverySecuritiesAndForwardCommitmentsRiskMember" xlink:label="WhenIssuedAndDelayedDeliverySecuritiesAndForwardCommitmentsRiskMember"/>
				<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AllRisksMember" xlink:to="WhenIssuedAndDelayedDeliverySecuritiesAndForwardCommitmentsRiskMember" order="31.0"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_MortgageAndAssetBackedSecuritiesRisksMember" xlink:label="MortgageAndAssetBackedSecuritiesRisksMember"/>
				<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AllRisksMember" xlink:to="MortgageAndAssetBackedSecuritiesRisksMember" order="32.0"/>
			</link:definitionLink>
			<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/rr/role/ProspectusOnly">
				<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentDomain" xlink:label="DocumentDomain"/>
				
			</link:definitionLink>
			<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/CoregistrantOnly">           
                <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_AllCoregistrantsMember" xlink:label="AllCoregistrantsMember"/>
                 
            </link:definitionLink>
            <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel"/>
            <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodEndLabel"/>
            <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodStartLabel"/>
            <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel"/>
            <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedNetLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedNetLabel"/>
            <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTerseLabel"/>
            <link:roleRef roleURI="http://www.xbrl.org/2009/role/netLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd#netLabel"/>
            <link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
				<link:loc xlink:type="locator" xlink:href="#betfii_S000092376Member" xlink:label="S000092376Member"/>
				<link:label xlink:type="resource" xlink:label="label_S000092376Member" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">iShares Securitized Income Active ETF</link:label>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="S000092376Member" xlink:to="label_S000092376Member"/>
				<link:label xlink:type="resource" xlink:label="label_S000092376Member_2" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">S000092376 [Member]</link:label>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="S000092376Member" xlink:to="label_S000092376Member_2"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_BloombergUSAggregateBondIndexMember" xlink:label="BloombergUSAggregateBondIndexMember"/>
				<link:label xlink:type="resource" xlink:label="label_BloombergUSAggregateBondIndexMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Bloomberg U.S. Aggregate Bond Index (Reflects no deduction for fees, expenses or taxes)</link:label>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BloombergUSAggregateBondIndexMember" xlink:to="label_BloombergUSAggregateBondIndexMember"/>
				<link:label xlink:type="resource" xlink:label="label_BloombergUSAggregateBondIndexMember_2" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Bloomberg U S Aggregate Bond Index [Member]</link:label>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BloombergUSAggregateBondIndexMember" xlink:to="label_BloombergUSAggregateBondIndexMember_2"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_CustomizedReferenceBenchmarkMember" xlink:label="CustomizedReferenceBenchmarkMember"/>
				<link:label xlink:type="resource" xlink:label="label_CustomizedReferenceBenchmarkMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Customized Reference Benchmark (Reflects no deduction for fees, expenses or taxes)</link:label>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CustomizedReferenceBenchmarkMember" xlink:to="label_CustomizedReferenceBenchmarkMember"/>
				<link:label xlink:type="resource" xlink:label="label_CustomizedReferenceBenchmarkMember_2" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Customized Reference Benchmark [Member]</link:label>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CustomizedReferenceBenchmarkMember" xlink:to="label_CustomizedReferenceBenchmarkMember_2"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_C000260348Member" xlink:label="C000260348Member"/>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000260348Member" xlink:to="label_S000092376Member"/>
				<link:label xlink:type="resource" xlink:label="label_C000260348Member_2" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000260348 [Member]</link:label>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000260348Member" xlink:to="label_C000260348Member_2"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_NonAgencySecuritiesRiskMember" xlink:label="NonAgencySecuritiesRiskMember"/>
				<link:label xlink:type="resource" xlink:label="label_NonAgencySecuritiesRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Non Agency Securities Risk [Member]</link:label>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NonAgencySecuritiesRiskMember" xlink:to="label_NonAgencySecuritiesRiskMember"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_CollateralizedLoanObligationsRiskMember" xlink:label="CollateralizedLoanObligationsRiskMember"/>
				<link:label xlink:type="resource" xlink:label="label_CollateralizedLoanObligationsRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Collateralized Loan Obligations Risk [Member]</link:label>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CollateralizedLoanObligationsRiskMember" xlink:to="label_CollateralizedLoanObligationsRiskMember"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_DollarRollsRiskMember" xlink:label="DollarRollsRiskMember"/>
				<link:label xlink:type="resource" xlink:label="label_DollarRollsRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Dollar Rolls Risk [Member]</link:label>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DollarRollsRiskMember" xlink:to="label_DollarRollsRiskMember"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_ConcentrationRiskMember" xlink:label="ConcentrationRiskMember"/>
				<link:label xlink:type="resource" xlink:label="label_ConcentrationRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Concentration Risk [Member]</link:label>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConcentrationRiskMember" xlink:to="label_ConcentrationRiskMember"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_AssetsUnderManagementAUMRiskMember" xlink:label="AssetsUnderManagementAUMRiskMember"/>
				<link:label xlink:type="resource" xlink:label="label_AssetsUnderManagementAUMRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Assets Under Management AUM Risk [Member]</link:label>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetsUnderManagementAUMRiskMember" xlink:to="label_AssetsUnderManagementAUMRiskMember"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_AuthorizedParticipantConcentrationRiskMember" xlink:label="AuthorizedParticipantConcentrationRiskMember"/>
				<link:label xlink:type="resource" xlink:label="label_AuthorizedParticipantConcentrationRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Authorized Participant Concentration Risk [Member]</link:label>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AuthorizedParticipantConcentrationRiskMember" xlink:to="label_AuthorizedParticipantConcentrationRiskMember"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_CashTransactionsRiskMember" xlink:label="CashTransactionsRiskMember"/>
				<link:label xlink:type="resource" xlink:label="label_CashTransactionsRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Cash Transactions Risk [Member]</link:label>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CashTransactionsRiskMember" xlink:to="label_CashTransactionsRiskMember"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_CLOManagerRiskMember" xlink:label="CLOManagerRiskMember"/>
				<link:label xlink:type="resource" xlink:label="label_CLOManagerRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">CLO Manager Risk [Member]</link:label>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CLOManagerRiskMember" xlink:to="label_CLOManagerRiskMember"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_DebtSecuritiesRiskMember" xlink:label="DebtSecuritiesRiskMember"/>
				<link:label xlink:type="resource" xlink:label="label_DebtSecuritiesRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Debt Securities Risk [Member]</link:label>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtSecuritiesRiskMember" xlink:to="label_DebtSecuritiesRiskMember"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_DerivativesRisksMember" xlink:label="DerivativesRisksMember"/>
				<link:label xlink:type="resource" xlink:label="label_DerivativesRisksMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Derivatives Risks [Member]</link:label>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativesRisksMember" xlink:to="label_DerivativesRisksMember"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_DistressedSecuritiesRiskMember" xlink:label="DistressedSecuritiesRiskMember"/>
				<link:label xlink:type="resource" xlink:label="label_DistressedSecuritiesRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Distressed Securities Risk [Member]</link:label>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DistressedSecuritiesRiskMember" xlink:to="label_DistressedSecuritiesRiskMember"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_HighPortfolioTurnoverRiskMember" xlink:label="HighPortfolioTurnoverRiskMember"/>
				<link:label xlink:type="resource" xlink:label="label_HighPortfolioTurnoverRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">High Portfolio Turnover Risk [Member]</link:label>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="HighPortfolioTurnoverRiskMember" xlink:to="label_HighPortfolioTurnoverRiskMember"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_HighYieldBondsRiskMember" xlink:label="HighYieldBondsRiskMember"/>
				<link:label xlink:type="resource" xlink:label="label_HighYieldBondsRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">High Yield Bonds Risk [Member]</link:label>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="HighYieldBondsRiskMember" xlink:to="label_HighYieldBondsRiskMember"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_IlliquidInvestmentsRiskMember" xlink:label="IlliquidInvestmentsRiskMember"/>
				<link:label xlink:type="resource" xlink:label="label_IlliquidInvestmentsRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Illiquid Investments Risk [Member]</link:label>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IlliquidInvestmentsRiskMember" xlink:to="label_IlliquidInvestmentsRiskMember"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_IndexedAndInverseSecuritiesRiskMember" xlink:label="IndexedAndInverseSecuritiesRiskMember"/>
				<link:label xlink:type="resource" xlink:label="label_IndexedAndInverseSecuritiesRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Indexed and Inverse Securities Risk [Member]</link:label>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IndexedAndInverseSecuritiesRiskMember" xlink:to="label_IndexedAndInverseSecuritiesRiskMember"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_LargeShareholderAndLargeScaleRedemptionRiskMember" xlink:label="LargeShareholderAndLargeScaleRedemptionRiskMember"/>
				<link:label xlink:type="resource" xlink:label="label_LargeShareholderAndLargeScaleRedemptionRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Large Shareholder and Large Scale Redemption Risk [Member]</link:label>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LargeShareholderAndLargeScaleRedemptionRiskMember" xlink:to="label_LargeShareholderAndLargeScaleRedemptionRiskMember"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_LeverageRiskMember" xlink:label="LeverageRiskMember"/>
				<link:label xlink:type="resource" xlink:label="label_LeverageRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Leverage Risk [Member]</link:label>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LeverageRiskMember" xlink:to="label_LeverageRiskMember"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_LoansRiskMember" xlink:label="LoansRiskMember"/>
				<link:label xlink:type="resource" xlink:label="label_LoansRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Loans Risk [Member]</link:label>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LoansRiskMember" xlink:to="label_LoansRiskMember"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_ManagementRiskMember" xlink:label="ManagementRiskMember"/>
				<link:label xlink:type="resource" xlink:label="label_ManagementRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Management Risk [Member]</link:label>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ManagementRiskMember" xlink:to="label_ManagementRiskMember"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_MarketRiskAndSelectionRiskMember" xlink:label="MarketRiskAndSelectionRiskMember"/>
				<link:label xlink:type="resource" xlink:label="label_MarketRiskAndSelectionRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Market Risk and Selection Risk [Member]</link:label>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MarketRiskAndSelectionRiskMember" xlink:to="label_MarketRiskAndSelectionRiskMember"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_MarketTradingRiskMember" xlink:label="MarketTradingRiskMember"/>
				<link:label xlink:type="resource" xlink:label="label_MarketTradingRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Market Trading Risk [Member]</link:label>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MarketTradingRiskMember" xlink:to="label_MarketTradingRiskMember"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_OperationalAndTechnologyRisksMember" xlink:label="OperationalAndTechnologyRisksMember"/>
				<link:label xlink:type="resource" xlink:label="label_OperationalAndTechnologyRisksMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Operational and Technology Risks [Member]</link:label>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperationalAndTechnologyRisksMember" xlink:to="label_OperationalAndTechnologyRisksMember"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_RepurchaseAgreementsAndPurchaseAndSaleContractsRiskMember" xlink:label="RepurchaseAgreementsAndPurchaseAndSaleContractsRiskMember"/>
				<link:label xlink:type="resource" xlink:label="label_RepurchaseAgreementsAndPurchaseAndSaleContractsRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Repurchase Agreements and Purchase and Sale Contracts Risk [Member]</link:label>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RepurchaseAgreementsAndPurchaseAndSaleContractsRiskMember" xlink:to="label_RepurchaseAgreementsAndPurchaseAndSaleContractsRiskMember"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_ReverseRepurchaseAgreementsRiskMember" xlink:label="ReverseRepurchaseAgreementsRiskMember"/>
				<link:label xlink:type="resource" xlink:label="label_ReverseRepurchaseAgreementsRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Reverse Repurchase Agreements Risk [Member]</link:label>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ReverseRepurchaseAgreementsRiskMember" xlink:to="label_ReverseRepurchaseAgreementsRiskMember"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_RiskOfInvestingInTheUnitedStatesMember" xlink:label="RiskOfInvestingInTheUnitedStatesMember"/>
				<link:label xlink:type="resource" xlink:label="label_RiskOfInvestingInTheUnitedStatesMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Risk of Investing in the United States [Member]</link:label>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RiskOfInvestingInTheUnitedStatesMember" xlink:to="label_RiskOfInvestingInTheUnitedStatesMember"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_USGovernmentIssuerRiskMember" xlink:label="USGovernmentIssuerRiskMember"/>
				<link:label xlink:type="resource" xlink:label="label_USGovernmentIssuerRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">U S Government Issuer Risk [Member]</link:label>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="USGovernmentIssuerRiskMember" xlink:to="label_USGovernmentIssuerRiskMember"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_USGovernmentMortgageRelatedSecuritiesRiskMember" xlink:label="USGovernmentMortgageRelatedSecuritiesRiskMember"/>
				<link:label xlink:type="resource" xlink:label="label_USGovernmentMortgageRelatedSecuritiesRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">U S Government Mortgage Related Securities Risk [Member]</link:label>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="USGovernmentMortgageRelatedSecuritiesRiskMember" xlink:to="label_USGovernmentMortgageRelatedSecuritiesRiskMember"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_USGovernmentObligationsRiskMember" xlink:label="USGovernmentObligationsRiskMember"/>
				<link:label xlink:type="resource" xlink:label="label_USGovernmentObligationsRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">U S Government Obligations Risk [Member]</link:label>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="USGovernmentObligationsRiskMember" xlink:to="label_USGovernmentObligationsRiskMember"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_VariableAndFloatingRateInstrumentRiskMember" xlink:label="VariableAndFloatingRateInstrumentRiskMember"/>
				<link:label xlink:type="resource" xlink:label="label_VariableAndFloatingRateInstrumentRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Variable and Floating Rate Instrument Risk [Member]</link:label>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="VariableAndFloatingRateInstrumentRiskMember" xlink:to="label_VariableAndFloatingRateInstrumentRiskMember"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_WhenIssuedAndDelayedDeliverySecuritiesAndForwardCommitmentsRiskMember" xlink:label="WhenIssuedAndDelayedDeliverySecuritiesAndForwardCommitmentsRiskMember"/>
				<link:label xlink:type="resource" xlink:label="label_WhenIssuedAndDelayedDeliverySecuritiesAndForwardCommitmentsRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">When Issued and Delayed Delivery Securities and Forward Commitments Risk [Member]</link:label>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WhenIssuedAndDelayedDeliverySecuritiesAndForwardCommitmentsRiskMember" xlink:to="label_WhenIssuedAndDelayedDeliverySecuritiesAndForwardCommitmentsRiskMember"/>
				<link:loc xlink:type="locator" xlink:href="#betfii_MortgageAndAssetBackedSecuritiesRisksMember" xlink:label="MortgageAndAssetBackedSecuritiesRisksMember"/>
				<link:label xlink:type="resource" xlink:label="label_MortgageAndAssetBackedSecuritiesRisksMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Mortgage and Asset Backed Securities Risks [Member]</link:label>
				<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MortgageAndAssetBackedSecuritiesRisksMember" xlink:to="label_MortgageAndAssetBackedSecuritiesRisksMember"/>
            </link:labelLink>
         </link:linkbase>
      </xs:appinfo>
  </xs:annotation>
	<xs:element name="S000092376Member" id="betfii_S000092376Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<xs:element name="BloombergUSAggregateBondIndexMember" id="betfii_BloombergUSAggregateBondIndexMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<xs:element name="CustomizedReferenceBenchmarkMember" id="betfii_CustomizedReferenceBenchmarkMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<xs:element name="C000260348Member" id="betfii_C000260348Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<xs:element name="NonAgencySecuritiesRiskMember" id="betfii_NonAgencySecuritiesRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<xs:element name="CollateralizedLoanObligationsRiskMember" id="betfii_CollateralizedLoanObligationsRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<xs:element name="DollarRollsRiskMember" id="betfii_DollarRollsRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<xs:element name="ConcentrationRiskMember" id="betfii_ConcentrationRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<xs:element name="AssetsUnderManagementAUMRiskMember" id="betfii_AssetsUnderManagementAUMRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<xs:element name="AuthorizedParticipantConcentrationRiskMember" id="betfii_AuthorizedParticipantConcentrationRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<xs:element name="CashTransactionsRiskMember" id="betfii_CashTransactionsRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<xs:element name="CLOManagerRiskMember" id="betfii_CLOManagerRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<xs:element name="DebtSecuritiesRiskMember" id="betfii_DebtSecuritiesRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<xs:element name="DerivativesRisksMember" id="betfii_DerivativesRisksMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<xs:element name="DistressedSecuritiesRiskMember" id="betfii_DistressedSecuritiesRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<xs:element name="HighPortfolioTurnoverRiskMember" id="betfii_HighPortfolioTurnoverRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<xs:element name="HighYieldBondsRiskMember" id="betfii_HighYieldBondsRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<xs:element name="IlliquidInvestmentsRiskMember" id="betfii_IlliquidInvestmentsRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<xs:element name="IndexedAndInverseSecuritiesRiskMember" id="betfii_IndexedAndInverseSecuritiesRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<xs:element name="LargeShareholderAndLargeScaleRedemptionRiskMember" id="betfii_LargeShareholderAndLargeScaleRedemptionRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<xs:element name="LeverageRiskMember" id="betfii_LeverageRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<xs:element name="LoansRiskMember" id="betfii_LoansRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<xs:element name="ManagementRiskMember" id="betfii_ManagementRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<xs:element name="MarketRiskAndSelectionRiskMember" id="betfii_MarketRiskAndSelectionRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<xs:element name="MarketTradingRiskMember" id="betfii_MarketTradingRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<xs:element name="OperationalAndTechnologyRisksMember" id="betfii_OperationalAndTechnologyRisksMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<xs:element name="RepurchaseAgreementsAndPurchaseAndSaleContractsRiskMember" id="betfii_RepurchaseAgreementsAndPurchaseAndSaleContractsRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<xs:element name="ReverseRepurchaseAgreementsRiskMember" id="betfii_ReverseRepurchaseAgreementsRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<xs:element name="RiskOfInvestingInTheUnitedStatesMember" id="betfii_RiskOfInvestingInTheUnitedStatesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<xs:element name="USGovernmentIssuerRiskMember" id="betfii_USGovernmentIssuerRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<xs:element name="USGovernmentMortgageRelatedSecuritiesRiskMember" id="betfii_USGovernmentMortgageRelatedSecuritiesRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<xs:element name="USGovernmentObligationsRiskMember" id="betfii_USGovernmentObligationsRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<xs:element name="VariableAndFloatingRateInstrumentRiskMember" id="betfii_VariableAndFloatingRateInstrumentRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<xs:element name="WhenIssuedAndDelayedDeliverySecuritiesAndForwardCommitmentsRiskMember" id="betfii_WhenIssuedAndDelayedDeliverySecuritiesAndForwardCommitmentsRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<xs:element name="MortgageAndAssetBackedSecuritiesRisksMember" id="betfii_MortgageAndAssetBackedSecuritiesRisksMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>

</xs:schema>
