Which of the following wireless networking standards can operate at two different frequenciessimultaneously?（）
- A、802.11a
- B、802.11b
- C、802.11g
- D、802.11n
正确答案:D
答案解析:有
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CompTIA认证考试
CompTIA认证考试
Which of the following wireless networking standards can operate at two different frequenciessimultaneously?（）
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