单项选择题 A client roams from H-REAP AP1 to H-REAP AP2. The client is unable to associate to H-REAPAP2. H-REAP AP2 has six other clients associated to it，which continue to pass traffic. What hascaused thisproblem？（）

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

单项选择题 Inwhichservicecomponentofthewirelessoperatephaseareincidenttrendsanalyzedtoidentifypatternsandsystemicconditions？（）