单项选择题 Users are unable to stay connected to the companys wireless network. Several times throughout the day the users signals are dropped and they are forced to reconnect to the network. A technician determines the network cabling that supplies the WAP has been run inside with several power lines. Which of the following is the MOST likely cause of the network issue?（）

单项选择题 Which of the following devices transmits timed broadcasts onto an active network?（）

单项选择题 When installing two 802.11g access points in the same building, which of the following channelswill MOST likely be used to minimize interference?（）