单项选择题
A.Its IP address already exists.
B.It is operating normally.
C.It requires a code upgrade.
D.It has lost contact with the controller.
单项选择题 Clients using Cisco-LEAP and EAP-FAST authentication are having no problems logging on to thewireless network， but clients using PEAP are failing to log on. Which situation would result in thistype ofproblem？（）
单项选择题 On a Cisco Aironet 802.11 a/b/g wireless LAN client adapter， the status LED and activity LED arealternating on and off. What does this indicate？（）
单项选择题 You have very few Cisco 7920 wireless IP phones on your network， but lots of wireless laptops. Youwant to increase the bandwidth available for the laptops by decreasing the bandwidth reserved forthe Cisco 7920 phones. What is the lowest percentage of voice-allocated bandwidth you can select onthe WLAN controller？（）