多项选择题
A.Alternate polarization between colocated antennas
B.Cross-polarize antennas between endpoints
C.Install an RF-shielded box around the antennas
D.Increase the distance between the antennas
单项选择题 Ciscorecommendsadecibelreferencedto1milliwattsignallevelforthecoveragecelledgeatthepredetermineddataratethatisneededtosupporttheVoWLANdeviceandcallcapacityrequirements.WhatisthatsignallevelvalueforCiscoUnifiedWirelessIPPhones7920，7921G，and7925G？（）
多项选择题 WhichthreeformatscanbeusedtoimportfloormapsinCiscoWCSv5.2？（）
多项选择题 WhichtwoCiscoantennasprovidebetterisolationfromRFsourcesthatmightbelocatedbehindtheantennas？（）