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计算机考试试题及答案解析

未知题型

YouhaveconfiguredvoiceVLANsonCatalystswitchR1.WhichtwostatementsaretrueabouttheoperationofvoiceVLANsonthisdevice？（）
A.WhenthevoiceVLANfeatureisenabled，alluntaggedtrafficissentaccordingtothedefaultCoSpriorityoftheport.
B.EnablingvoiceVLANsenablestheswitchtocreatemultiplequeuesfortrafficthatisenteringaport.
C.WhenvoiceVLANsareconfiguredonatrunklink，UplinkFastmustalsobeenabled.
D.VoiceVLANsareconfiguredtoenabletheswitchtoforwardframesmarkedwiththeproperCoSvaluesoverseparatephysicallinks.
E.EnablingvoiceVLANsenablestheswitchtoforwardframeswithaspecific802.1Pmarking.
【参考答案】

A, E

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