问题
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能隔离局域网中广播风暴,提高宽带利用率的设备是()。A.网桥B.集线器C.路由器D.交换机
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利用______可以很方便地实现虚拟局域网。A.路由器B.以太网交换机C.中继器D.网卡
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利用______可以很方便地实现虚拟局域网。A.路由器B.以太网交换机C.中继器D.网卡
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按覆盖的地理范围进行分类 计算机网络可以分为()。A.局域网 广域网与宽带网B.局域网 广域网与城
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下列关于宽带城域网技术的描述中 错误的是______。A.宽带城域网保证QoS的主要技术有RSVP Diffserv
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FTTB+LAN(光纤到大楼+局域网)是一种利用光纤+超五类网线方式实现宽带接入 一般采用星型网络拓扑 用户共享传输带宽。()
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