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 causedthis problem？（）

单项选择题 You are trying to change the polling parameters used by the location manager via the Cisco WCS，and your request is being denied. What is wrong？（）

单项选择题 On a Cisco 1000 Series controller-based access point， the alarm LED is flashing red， but the otherLEDs are off. What is this access point indicating？（）