单选题802.11a、802.11b和802.11g的区别是什么?()A802.11a和802.11b都工作在2.4GHz频段,而802.11g工作在5GHz频段B802.11a具有最大54GHbps带宽,而802.11g和802.11b只有1Mbps带宽C802.11a的传输距离最远其次是802.11b,传输距离最近的是802.11gD802.11a可以兼容802.11b,但802.11a和802.11b不能兼容
单选题
802.11a、802.11b和802.11g的区别是什么?()
A
802.11a和802.11b都工作在2.4GHz频段,而802.11g工作在5GHz频段
B
802.11a具有最大54GHbps带宽,而802.11g和802.11b只有1Mbps带宽
C
802.11a的传输距离最远其次是802.11b,传输距离最近的是802.11g
D
802.11a可以兼容802.11b,但802.11a和802.11b不能兼容
参考解析
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