WhatshouldbedoneifCiscoSpectrumExpertWi-Fireportsachannelutilizationof40percentonchannel36，fromasourceoutsideofthesite？（）
A. ReporttheproblemtotheFCC
B. ReporttheproblemtotheFAA
C. Removechannel36fromtheDCAchannellist
D. Configurechannel36tobondtochannel40fora40Mhz802.11nchannel
查看答案
Whichstatementaboutactiveandpassivesurveysisincorrect？（）
Activemodedoesnotrequiretheclienttobespecificallyconfgured
B. Passivemodecansurveymorethanoneaccesspointatatime
C. Activemodeyieldssignal-qualityinformationsuchaspacketretriesandlostpackets
D. Activemoderequiresmoretimetosurveybutyieldsmoreinformationresultsthanpassivemodedoes
ISDN按照其支持的带宽分为（)
A. N-ISDN
B. P-ISDN
C. B-ISDN
D. O-ISDN
Whatisthetermforthespacethatexistsaboveadropceilingorbelowaraisedfloorandthatisusedforairreturn？（）
A. NEMAarea
B. plenumarea
C. DASarea
D. extendedarea
E. RFspecialarea
微信支付 
支付宝支付