WhichtwostatementsaretrueaboutvoiceVLANs?()

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A.VoiceVLANsareonlyusedwhenconnectinganIPphoneandahosttodistinctswitchports

B.AccessportsthatareconfiguredwithvoiceVLANswillalwaystrusttheCoSthatisreceivedfromIPphones

C.AccessportsthatareconfiguredwithvoiceVLANsmayormaynotoverridetheCoSvaluethatisreceivedfromanIPphone

D.VoiceVLANsareconfiguredusingtheswitchportvoicevlanvlan-IDinterfaceconfigurationcommand

E.VoiceVLANsprovideatrunkinginterfacebetweenanIPphoneandanaccessportonaswitchtoallowtrafficfrommultipledevicesthatareconnectedtotheport

F.EnablingVoiceVLANonaswitchportwillautomaticallyconfiguretheporttotrusttheincomingCoSmarkings

参考答案:

参考C, D