多项选择题
A.Bluetooth
B.frequency hopping
C.microwave oven
D.802.11b client card
E.802.11b access point
多项选择题 InwhichthreefrequencybandsdoestheCiscoSpectrumExpertWi-Fitoolperformspectrumanalysis？（）
单项选择题 WhichcanNOTbeselectedforsupportedservicesinCiscoWCSPlanningTool？（）
单项选择题 ForanactiveCiscoUnifiedWirelessIPPhone7921G5GHzsitesurvey，whatarethemostappropriateclienttestsettingstousewiththeAirMagnetsitesurveytool？（）