(72)is the 4th layer of the OSI reference model responsible for reliable network communication between end nodes.

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问题 (72)is the 4th layer of the OSI reference model responsible for reliable network communication between end nodes.

选项 A、Data link layer
B、Session layer
C、Transport layer
D、Application layer

答案C

解析 四个选项分别是数据链路层、会话层、传输层和应用层。其中传输层位于OSI七层参考模型中的第四层,其功能之一是为会话层实体提供透明、可靠的数据传输服务。
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