单项选择题 Youhavebeencalledupontoaddlocation-basedservicesintoanexistingcontroller-basedwirelessdesignwhichprimarilyencompasseshandhelddevicessuchasbarcodescannersandCisco7920wirelessIPphones.Inwhichmodeshouldyoudeploytheadditionalaccesspointstoachievethedensityrequired withoutexcessiveco-channelinterference？（）A.sniffermodeB.monitormodeC.locationmodeD.trackingmode

单项选择题 WhenconfiguringCiscoSecureACStosupportwirelessEAPauthentication，whichdevicemustbe configuredasaAAAclient？（）

单项选择题 YouareusingADUandareauthenticatedandassociatedtoanaccesspoint.However，youare unabletoobtainanIPaddress.Whichofthesehascausedthisproblem？（）