多项选择题 In a deployment using the lightweight access points， clients set up to authenticate with eap-peap or eap-cisco wireless （leap） cannot authenticatE.  upon inspection of the failed attempts report you see the following error： "unknown network access server nas." What two problems can cause this type of failure？（）

单项选择题 Your client has deployed a cisco wireless location appliance within their warehouse environment. they have been experiencing problems with tracking objects using active rfid tags. the rfid tag data is not being collected. On which device would you verify that rfid status has been enabled？（）

单项选择题 Whichofthegeneralpoliciesonthewlaneditpageonthewlancontrollerwouldbeusedwhenconfiguringaradioforasingleantennaforanoutdoorapplication？（）