多项选择题
In which three frequency bands does the Cisco Spectrum Expert Wi-Fi tool perform spectrumanalysis？ （）
A.ISM 2.4 GHz B.ISM 900 MHz C.ISM 5 GHz D.public safety 4.9 GHz E.GSM 1.9 GHz
单项选择题 WhichcanNOTbeselectedforsupportedservicesinCiscoWCSPlanningTool？（）
单项选择题 ForanactiveCiscoUnifiedWirelessIPPhone7921G5GHzsitesurvey，whatarethemostappropriateclienttestsettingstousewiththeAirMagnetsitesurveytool？（）
单项选择题 Whichstatementregardingthesite-surveyprocessiscorrect？（）
