单项选择题
In a VoWLAN deployment, what is the recommended separation between cells with the same channel?（）
A.19dBm B.67dBm C.10dBm D.86dBm E.5dbm to 10dBm
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?（）
单项选择题 Which signal and noise values will result in the best phone communication with an access point?（）
