单项选择题

WhichMQC－basedoutputqueueingmethodisdesignedtosupportmultipletrafficclassesincludingVoIPtraffic，mission－criticaltraffic，bulktraffic，interactivetrafficanddefaultclasstraffic？（）

A.CustomQueueing
B.CB-WRED
C.WRRQueueing
D.LLQ
E.CBWFQ

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AbranchrouterisconfiguredwithanegressQoSpolicythatwasdesignedforatotalnumberof10concurrentVOIPCalls.DuetoExpansion，15VOIPCallsarenowrunningoverthelink，butafterthe14thcallwasestablished，allcallswereaffectedandthevoicequalitywasdramaticallydegraded.Assumingthatthereisenoughbandwidthonthelinkforallofthistraffic，whichpartoftheQOSconfigurationshouldbeupdatedduetothenewtrafficprofile？（）
A.Increasetheshapingrateforthepriorityqueue.
B.Removethepolicerappliedonthepriorityqueue.
C.Removetheshaperappliedonthepreiorityqueue.
D.Increasethepolicingrateforthepriorityqueue.

A.DuetoExpansion，15VOIPCallsarenowrunningoverthelink，butafterthe14thcallwasestablished，allcallswereaffectedandthevoicequalitywasdramaticallydegraded.Assumingthatthereisenoughbandwidthonthelinkforallofthistraffic，whichpartoftheQOSconfigurationshouldbeupdatedduetothenewtrafficprofile？（）
A.Increasetheshapingrateforthepriorityqueue.
B.Removethepolicerappliedonthepriorityqueue.
C.Removetheshaperappliedonthepreiorityqueue.
D.Increasethepolicingrateforthepriorityqueue.