单项选择题
A.It has lost contact with the controller.
B.It requires a code upgrade.
C.It is operating normally.
D.Its IP address already exists.
单项选择题 On a standalone access point， client association using EAP-Cisco Wireless （Cisco-LEAP） is failing， butassociation using EAP-PEAP is functioning. What needs to be enabled on the standalone access point tocorrect this issue？（）
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 caused this problem？（）
单项选择题 A Cisco Aironet 1020 controller-based access point has been connected to a Catalyst 3550-24 PWRSwitch. However， when it is powered up， the access point fails. What has caused this problem？（）