【判断题】
数据在传输过程中所出现差错的类型主要有随机错和突发错
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将一条物理信道按时间分成若干时间片轮换地给多个信号使用,每一时间片由复用的一个信号占用,这可以在一条物理信道上传输多个数字信号,这就是时分多路复用
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环型拓扑结构的网络中若一个节点出现故障,就会引起全网故障
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同轴电缆与双绞线相比,同轴电缆的抗干扰能力强
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