【单选题】【消耗次数：1】
局域网的分类，按网络的传输介质划分，可分为双绞线局域网、同轴电缆局域网、光纤局域网和（ ）局域网等。
①
网格型
②
网状型
③
树型
④
无线
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【简答题】
虚拟局域网VLAN？
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下列关于无线局域网的描述错误的是（ ）。
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无线局域网的客户端设备不需要任何许可证就可以使用
②
与有线网络相比无线网络更安全
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远程无线网桥可以连接有线网络和无线网络
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无线局域网可采用点对点模式组建
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