单项选择题
A.The minimum data rate is not set to 11 Mbps.
B.An address resolution protocol is enabled.
C.Publicly Secure Packet forwarding is enabled.
D.The access point is set to the least congested channel.
单项选择题 You are troubleshooting a one-way call problem with a Cisco 7920 wireless IP phone on a standaloneWLAN. What may have caused this problem？（）
单项选择题 You are troubleshooting a problem with a Cisco 7920 wireless IP phone that is causing the phone to drop calls. The problem appears to be a roaming bandwidth issue. In order to verify what kind ofissue it is， you decide to increase the bandwidth reserved for roaming on the WLAN controller to themaximum. What level do you set the bandwidth to？（）
单项选择题 You have very few Cisco 7920 wireless IP phones on your network， but lots of wireless laptops. You want toincrease the bandwidth available for the laptops by decreasing the bandwidth reserved for the Cisco 7920phones. What is the lowest percentage of voice-allocated bandwidth you can select on the WLANcontroller？（）