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多项选择题

Which two Cisco AutoQoS configuration statements are true？ （）

A.the auto discovery qos command is supported on serial interfaces， subinterfaces， and virtual interfaces
B.CEF must be enabled before configuring the auto discovery qos command
C.the auto discovery qos privilege EXEC command must be configured on a router for several days to collect a sampling of data traffic
D.the auto qos trust command relies on NBAR to provide VoIP classification
E.the auto qos voip command configures the voip classification on routers and switches

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多项选择题Whenarouterconvertsanalogsignalstodigitalsignals，whatthreestepsarealwaysincludedintheprocess？（）

A.involution
B.encoding
C.sampling
D.quantization
E.compression
F.companding

多项选择题WhattwostepsneedtobetakenindeployingAutoQoSforenterpriseonrouters？（）

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？（）

A.large files are being downloaded over the WAN network
B.IP phone traffic is not being classified correctly
C.more bandwidth is required for the office LAN
D.Call Admission Control has not been implemented 
E.employees are watching videos over the internet
F.header compression is not being used

多项选择题WhichtwoQoSstatementsaretrueabouttheuseoftheSDMQoSwizard？（）

A.business-critical traffic includes VoIP and voice signaling packets
B.SDM can be used to configure a basic QoS policy for incoming traffic on WAN interfaces andIPsec tunnels
C.SDM can provide QoS for real-time traffic and business-critical traffic
D.SDM creates a custom-queuing （CQ） or a priority-queuing （PQ） policy
E.SDM creates a low latency queuing （LLQ） service policy with its associated classes
F.when allocating bandwidth， values can be entered in either bandwidth percentage or kilobytes per second （kBps）

多项选择题WhichtwofeaturesaresupportedbytheWLANSolutionEngine（WLSE）？（）

A.configuration of APs
B.auto discovery of rogue APs
C.reporting
D.WLSE in two versions： base and location
E.graphical view of multiple controllers and managed APs