高速无线LAN包含802.11a、802.11b、802.118。实践中(39)运行速度几乎为11MbiUs。(40)在5GHz U-NII频段中可以达到54Mbit/s。A.802.11aB.802.11bC.802.11gD.802.11b和802.11g
高速无线LAN包含802.11a、802.11b、802.118。实践中(39)运行速度几乎为11MbiUs。(40)在5GHz U-NII频段中可以达到54Mbit/s。
A.802.11a
B.802.11b
C.802.11g
D.802.11b和802.11g
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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802.11gD.802.11a可以兼容802.11b,但802.11a和802.11b不能兼容
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高速无线LAN包含了:802.11a,802.11b,802.11g。实践中(39)运行速度几乎为11Mbit-s。(40)在5GHz ISM频段中可以达到54Mbit/s。A.802.11aB.802.11bC.802.11gD.802.11b和802.11g
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802.11b和802.11a的工作频段、最高传输速率分别为:()A.2.4GHz、11Mbps;2.4GHz、54MbpsB.5GHz、54Mbps;5GHz、11MbpsC.5GHz、54Mbps;2.4GHz、11MbpsD.2.4GHz、11Mbps;5GHz、54Mbps
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高速无线LAN包含了:802.11a、802.11b、802.11g。实践中______运行速度几乎为11Mbit/s。A.802.11aB.802.11bC.802.11gD.802.11b和802.11g
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关于无线局域网,下面叙述中正确的是()。A、802.11a和802.11b都可以在2.4GHz频段工作B、802.11b和802.11g都可以在2.4GHz频段工作C、802.11a和802.11b都可以在5GHz频段工作D、802.11b和802.11g都可以在5GHz频段工作
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