多项选择题
A.admission control
B.DSCP classification
C.monitoring
D.marking
E.scheduling
多项选择题 Whatthreestatementsaretrueaboutthevariousdeploymentsofthe802.1xExtensibleAuthenticationProtocol（EAP）？（）
多项选择题 FordefiningtheQoSpoliciesforeachtrafficclass，whichparametersshouldbeidentified？（）
单项选择题 AcmeCompanyhasofficesaroundthecountry.WiththeuseofCiscoUnifiedCallManager，thecompanyhasdeployedaVoIPnetworkinamultisitecentralizedconfiguration.WhichIOSgatewayfeatureshouldbedeployedtoenableVoIPdevicestoregisterwithalocalgatewayandcontinuetofunctionwhentheconnectiontotheCiscoUnifiedCallManagerisbroken？（）