单项选择题

To ensure voice packets are kept within the Committed Information Rate （CIR） of a Frame Relaylink， what should be used in the CPE？（）

A. prioritization
B. classification
C. fragmentation
D. traffic shaping

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单项选择题

WhichQoSrequirementappliestostreamingvideotraffic？（）

A. one-way latency of 150 ms to 200 ms
B. jitter of 30 ms or less
C. packet loss of 2 percent or less
D. 150bps of overhead bandwidth

单项选择题

TheCiscoMDS9000SeriesMultilayerSANSwitchescanhelplowerthetotalcostofownershipofthemostdemandingstorageenvironments.Bycombiningarobustandflexiblehardwarearchitecturewithmultiplelayersofnetworkandstorage-managementintelligence，theCiscoMDS 9000Serieshelpsyoubuildhighlyavailable，scalablestoragenetworkswithadvancedsecurityandunifiedmanagement.WhatmethoddoestheCiscoMDS9000Seriesusetosupporttrunking？（）

A. ISL
B. VLAN Trunk
C. VoQ
D. Enhanced ISL

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