单选题以下哪个协议可以同时支持2.4GHz频段和5GHz频段（）。A802.11aB802.11bC802.11gD802.11n
单选题
以下哪个协议可以同时支持2.4GHz频段和5GHz频段（）。
A
802.11a
B
802.11b
C
802.11g
D
802.11n
参考解析
解析：
暂无解析
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