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  3. Together with the network layer,the tran

Together with the network layer,the tran

最全题库2022-08-02  10
问题 Together with the network layer,the transport layer is the heart of the protocol ( ).The network layer provides end-to-end () delivery using datagrams or virtual circuits.The transport layer builds on the network layer to provide data transport from a process on a () machine to a process on a destination machine with a desired level of reliability that is independent of the physical () currently in use.It provides the abstractions that applications nedd to use the network..Without the (请作答此空) layer,the whole concept of layered protocols would make little sense.A.networkB.transportC.linkD.physical
选项 A.network
B.transport
C.link
D.physical
答案 B
解析
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本试题收录于： 初级网络管理员题库软件水平考试初中高级分类

初级网络管理员

软件水平考试初中高级

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