Which of the following wireless technologies is primarily setup for video/audio and the frequency is 5 GHz?（）A、CellularB、802.11aC、802.11bD、Satellite
Which of the following wireless technologies is primarily setup for video/audio and the frequency is 5 GHz?（）
- A、Cellular
- B、802.11a
- C、802.11b
- D、Satellite
相关考题：
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单选题Which of the following wireless technologies is primarily setup for video/audio and the frequency is 5 GHz?（）ACellularB802.11aC802.11bDSatellite