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解释OSI模型定义的网络层?

问答题
2021-12-31 20:01
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正确答案
网络层也称分组层。任务是是网络传输分组。规定了分组在网络中是如何传输的。网络层控制网络上信息的切换和路由选择,因此,本层要为数据从源点到终点建立物理和逻辑的连接。

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