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问题详情

整个报文的端到端传送是下列哪一层负责？

A、数据链路层

B、传输层

C、表示层

D、网络层

时间：2021-09-01 20:44 关键词：联大河南理工大学计算机科学与技术_计算机网络

答案解析

B

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