ThenetworkadministratoristryingtoaddSwitch1tothenetwork，butthe802.1Qtrunkisnotcomingup.Switch1waspreviouslytestedinthelaboratoryanditstrunkconfigurationworkedfine.Whatarethreepossiblecausesofthisproblem？（）
A.ThetrunkingconfigurationmodeonSwitch1issettoOff.
B.ThetrunkingconfigurationmodeontheotherendissettoOn.
C.ThetrunkingconfigurationmodeontheotherendissettoDesirable.
D.CiscoDiscoveryProtocolisnotrunningontheotherend.
E.ThereisaVTPdomainnamemismatch.
F.Switch1doesnotsupport802.1Q

A.1Qtrunkisnotcomingup.Switch1waspreviouslytestedinthelaboratoryanditstrunkconfigurationworkedfine.Whatarethreepossiblecausesofthisproblem？（）
A.ThetrunkingconfigurationmodeonSwitch1issettoOff.
B.ThetrunkingconfigurationmodeontheotherendissettoOn.
C.ThetrunkingconfigurationmodeontheotherendissettoDesirable.
D.CiscoDiscoveryProtocolisnotrunningontheotherend.
E.ThereisaVTPdomainnamemismatch.
F.Switch1doesnotsupport802.1Q

【参考答案】

B, C, E