单项选择题 On a cisco aironet 1130ag series standalone access point,the status led is dark blue and blinking. What does this indicate？（）

单项选择题 In a deployment using standalone access points， clients set up to authenticate with eap-peap or eap-cisco wireless （cisco-leap） cannot authenticatE.  when you inspect the failed attempts report on the cisco secure acs， you find this error： "unknown network access server nas."  Which problem may have caused this failure？（）

单项选择题 Whichofthefollowingcommandsonthewirelessinterfaceofacisco3845integratedservicesrouterallowsthessidtobroadcast？（）