以太网交换机转发数据包时所依据的是（)。A．IP地址B．MAC地址C．LLC地址D．PORT、地址

A.AnIPaddressisneededoninterfaceseriall/2.

B.Theautodiscoveryqoscommandshouldbeconfiguredonthesubinterface

C.AgeneratedAutoOoSpolicyhasbeenappliedtoserial1/2.

D.Thecollectionofdatahasstopped.

A.LFI

B.LLQ

C.RSVP

D.WFO

E.WRED

A.ThePRIfieldshouldcontaintheCosvalueof010

B.ThePRIfieldshouldcontaintheCosvalueof011

C.ThePRIfieldshouldcontaintheCosvalueof100

D.ThePRIfieldshouldcontaintheCosvalueof101

E.ThePRIfieldshouldcontaintheCosvalueof110

F.ThePRIfieldshouldcontaintheCoSvalueof111

A.protectionagainstdenialofservice（DoS）attacksatinfrastructureroutersandswitches

B.protectionagainstknownwormattacksinroutersandswitches

C.qualityofservice（QoS）controlforpacketsthataresourcedfromthedataplaneofCiscoroutersandswitches

D.qualityofservicecontrol（QoS）forpacketsthataredestinedtothecontrolplaneofCiscoroutersandswitches

E.qualityofservice（QoS）controlforpacketsthataredestinedtothedataplaneofCiscoroutersandswitches

A.WLSEsupportscentralizedconfiguration.

B.WLSEsupportsdistributedconfiguration.

C.WLSEcanpickupstatisticsonadeviceevenifthedeviceisnotproperlyconfigured.

D.WLSEcanbeusedtoupgradethefirmwareonAPsandbridges.

E.WLSEmonitorsdevicefaultandperformanceconditionsbutcannotreportanypolicymisconfigurations

A.FXS

B.FSO

C.E&M

D.auxiliaryport

E.802.3afethernetports

A.FIFOqueuing，whichprovidesameanstoholdpacketswhiletheyarewaitingtoexitaninterface

B.Priorityqueuing，whichensuresafixedamountofbandwidth

C.Customqueuing（CO），whichprovidesaqueuingtoolthatservicesallqueues，evenduringtimesofcongestion

D.Bandwidthqueuing，whichensuresaminimumamountofbandwidth

E.Weightedfairqueuing（WFO），whichclassifiespacketsbasedonflows

A.WorldWideWebtrafficusingloadbalancedwebservers

B.voice

C.peertopeerapplicationsmissioncriticalapplications

D.peertopeerapplications

E.multicastroutingprotocols

A.AnautonomouswirelesssolutionincludeslightweightAPsandWLANcontrollers.TheAPsandtheWLANcontrollersaremanagedbyaWLANsolutionengine（WLSE/WLSM）.

B.AnautonomouswirelesssolutionincludeslightweightAPsandWLANcontrollers.TheAPsandtheWLANcontrollersaremanagedbytheCiscoWirelessControlSystem（WCS）.

C.AlightweightwirelesssolutionincludeslightweightAPsandWLANcontrollers.TheAPsandtheWLANcontrollersaremanagedbyaWLANsolutionengine（WLSE/WLSM）.

D.Alightweightwirelesssolutionconsistsofautonomousaccesspoints（APs），whicharemanagedbyaWLANsolutionengine（WLSE/WLSM）.

E.AlightweightwirelesssolutionincludeslightweightAPsandWLANcontrollers.TheAPsandtheWLANcontrollersaremanagedbytheCiscoWirelessControlSystem（WCS）.

A.coredistributionaccess

B.multisitewithcentralizedcallprocessing

C.multisitewithdistributedcallprocessing

D.clusteringoverWAN

E.PSTN-WAN

F.EnterpriseCompositeModel