多项选择题
A.mesh bridge in
B.regular
C.bi-directional bridge
D.in
E.out
单项选择题 WhatwillimprovethebatterylifeofaCiscoUnifiedWirelessIPPhone7921G?（）
多项选择题 WhichtwostatementscorrectlydescribeaCiscoWLCconfigurationofWireless>QoS>Profiles>Wired_QoS_ProfilesforanimplementationofDSCPorCoSdeployment?（）
单项选择题 WhatisthebandwidthrequirementofanactiveduplexwirelesscallusingG.711codec?（）