单项选择题
What is the recommended radius of a cell for a voice-ready wireless network？（）
A. 6 dBm B. 19 dBm C. 5 dBm D. 7 dBm
单项选择题 InaVoWLANdeployment，whatistherecommendedseparationbetweencellswiththesame channel？（）
单项选择题 Whatamountofcelloverlapensuressmoothroamingforwirelessendpoints？（）
单项选择题 HowmanychannelsaredefinedintheIEEE802.11bDSSSchannelset？（）
