单项选择题
What is the recommended radius of a cell for a voice-ready wireless network?（）
A.86dBm B.67dBm C.19dBm D.95dBm
单项选择题 In a VoWLAN deployment, what is the recommended separation between cells with the same channel?（）
单项选择题 What amount of cell overlap ensures smooth roaming for wireless endpoints?（）
单项选择题 How many channels are defined in the IEEE 802.11b DSSS channel set?（）
