单项选择题 You are charged with implementing a secure wireless installation which will provide internet  access to client devices but will not allow communications between wireless clients. In addition to implementing pspf or peer-to-peer blocking on the wireless side，which of the following actions should you perform on the wired infrastructure？（）

多项选择题 You want to dynamically assign users to an 802.1q vlan as a result of their authentication. In order to accomplish this，which two ietf radius attributes should you configure on the cisco secure acs？（）

单项选择题 On a cisco aironet 1240ag series standalone access point， the radio led is dark blue and blinking， but the status led and ethernet led are both off. what does this indicate？（）