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  3. An internet is a combination of networks

An internet is a combination of networks

资格题库2022-08-02  104
问题 An internet is a combination of networks connected by（）. When a datagram goes from a source to a（）， it will probably pass many（）until it reaches the router attached to the destination network. A router receives a（）from a network and passes it to another network. A router is usually attached to several networks. When it receives a packet， to which network should it pass the packet? The decision is based on optimization: Which of the available（）is the optimum pathway?A.modemsB.routersC.switchesD.computers
选项 A.modems
B.routers
C.switches
D.computers
答案 B
解析 互联网由是一个靠路由器连接的综合性网络。当一个数据从源地址到目的地址，它可能会通过许多路由器，直至到达与路由器连接的目标网络。路由器收到一个数据包从网络和通行证到另一个网络。路由器通常连接到多个网络。当它收到一个数据包，而应该通过网络的数据包？这个决定是基于优化：哪些可用的途径是最佳途径？
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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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