多项选择题
A.provide visibility into the classes of service deployed using system logging and SNMP traps
B.determine WAN settings for fragmentation， compression， encapsulation， and Frame Relay-ATM interworking
C.enable the AutoQoS VoIP for voice traffic
D.generate and deploy MQC-based QoS policies
E.profile the traffic with Auto-Discovery
单项选择题 AbranchofficeofAcmeInsurancehas15IPphonesconnectedtothemainofficeusingthedistributedcallprocessingmodel.Normally，thephonesworkwithgreatquality.However，duringverybusytimeswhenalloftheagentsareonthephoneatthesametime，thevoicequalitydropsprecipitously.Wordsorphrasesorbotharedroppedfromconversations.Whatisthemostlikelycauseoftheproblem？（）
多项选择题 WhichtwoQoSstatementsaretrueabouttheuseoftheSDMQoSwizard？（）
多项选择题 WhichtwofeaturesaresupportedbytheWLANSolutionEngine（WLSE）？（）