单项选择题
A.enable aggressive load balancing
B.enable coverage hole detection
C.disable dynamic transmit power control
D.enable short preamble
单项选择题 WhatistheCiscorecommendedsettingfortheCiscoUnifiedWirelessNetworkWLCVoiceCall AdmissionControlMaxRFBandwidthtosupporttheCiscoUnifiedWirelessIPPhone7921G?（）
多项选择题 WhichthreeWLCitemsarerequiredtoproperlyenablequeuingwithTSPECforvoicetraffic?（）
单项选择题 ForwhichWMMqueueisU-APSDmostbeneficial?（）