单项选择题
A.ssids are not case-sensitive.
B.ssids must be listed in the same order in the adu as they are in the access point.
C.a maximum of three ssids may be configured.
D.ssids may have a maximum of 16 characters.
单项选择题 Howdoesacontroller-basedaccesspointconfiguredtooperateinsniffermodebehave？（）
单项选择题 You are troubleshooting a one-way call problem with a cisco 7920 wireless ip phone on a standalone wlan. What may have caused this problem？（）
多项选择题 Whichthreewirelessservicecomponentsbelongtotheoperatephase？（）