单项选择题 On a Cisco Aironet 802.11 a/b/g wireless LAN client adapter，the status LED and activity LED are alternating on and off. What does this indicate？（）

单项选择题 You have a very few Cisco 7920 wireless IP phones on your network， but lots of wireless laptops.You want to increase the bandwidth available for the laptops by decreasing the bandwidth reserved for the Cisco 7920 phones. What is the lowest percentage of voice-allocated bandwidthyou can select on the WLAN controller？（）

单项选择题 You are installing a Cisco Aironet 1000 Series controller-based access point. When you boot it， allthe LEDs on the access point blink together. What does this indicate about the access point？（）