WhichtwostatementsaretrueaboutvoiceVLANs?()
2021-05-05
A.VoiceVLANsareonlyusedwhenconnectinganIPphoneandahosttodistinctswitchports
B.AccessportsthatareconfiguredwithvoiceVLANswillalwaystrusttheCoSthatisreceivedfromIPphones
C.AccessportsthatareconfiguredwithvoiceVLANsmayormaynotoverridetheCoSvaluethatisreceivedfromanIPphone
D.VoiceVLANsareconfiguredusingtheswitchportvoicevlanvlan-IDinterfaceconfigurationcommand
E.VoiceVLANsprovideatrunkinginterfacebetweenanIPphoneandanaccessportonaswitchtoallowtrafficfrommultipledevicesthatareconnectedtotheport
F.EnablingVoiceVLANonaswitchportwillautomaticallyconfiguretheporttotrusttheincomingCoSmarkings
正确答案：参考C, D
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