单项选择题 WhenconfiguringCiscoSecureACStosupportwirelessEAPauthentication，whichdevicemustbeconfiguredasaAAAclient？（）

单项选择题 Ifitisproperlydeployed，acontroller-basedaccesspointiscapableofmonitoringallVLANsonanetworkwhenyouselectwhichofthefollowingmodesfromtheAPModedrop-downmenuonthecontroller？（）

单项选择题 A client roams from H-REAP AP1 to H-REAP AP2. The client is unable to associate to H-REAP AP2.H-REAP AP2 has six other clients associated to it，which continue to pass traffic. What has causedthis problem？（）