单项选择题
A.the best-effort class will need to have its percentage entered in the QoS Policy Generation screen
B.SDM QoS wizard provides real-time validation of application usage of WAN bandwidth
C.the SDM wizard is not able to monitor QoS policing traffic
D.the SDM QoS wizard is pre-installed on enterprise routers
单项选择题 WhichstatementbestdescribestherogueAPlocationdisplayoftheWCSwirelessmanagementserver？（）
单项选择题 AstreamofvoicepacketstransmittedoveraWANnetworkencountersdifferingqueuingdelays.Onerouterinthepathusedbythevoicepacketsdelayssomeofthepacketsfor4mswhiletransmittingalargevideofile，butdelaysotherpacketsonly2ms.Anotherrouterdelayssomepackets5ms，buttransmitsothersin2ms.Howwouldyoubestdescribethistypeofproblem？（）
多项选择题 WhataretwofeaturesofWCSwirelessmanagement？（）