YouhaveconfiguredvoiceVLANsonCatalystswitchR1.WhichtwostatementsaretrueabouttheoperationofvoiceVLANsonthisdevice？（）

A.WhenthevoiceVLANfeatureisenabled，alluntaggedtrafficissentaccordingtothedefaultCoSpriorityoftheport.
B.EnablingvoiceVLANsenablestheswitchtocreatemultiplequeuesfortrafficthatisenteringaport.
C.WhenvoiceVLANsareconfiguredonatrunklink，UplinkFastmustalsobeenabled.
D.VoiceVLANsareconfiguredtoenabletheswitchtoforwardframesmarkedwiththeproperCoSvaluesoverseparatephysicallinks.
E.EnablingvoiceVLANsenablestheswitchtoforwardframeswithaspecific802.1Pmarking.

【参考答案】

A, E