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ICD的描述中,正确的是()。 A.是带冲突检测的载波侦听多路访问的缩写 B.发送数据前侦听传输介质是否空闲 C.用于解决令牌环网的介质访问控制问题 D.在发生冲突的情况下需要延迟重发 查看题目与答案 在模型中,有关网络层功能描述错误的是()。 A.确保数据的传送正确无误 B.确定数据包如何...