An internet is a combination of networks connected by (71) . When a datagram goe..

2009年上半年上午试卷综合知识

第 72 题


章/节	专业英语

An internet is a combination of networks connected by (71) . When a datagram goes from a source to a (72) . it will probably pass many (73) until it reaches the router attached to the destination network. A router receives a (74) 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 (75) is the optimum pathway?

A. user

B. host

C. city

D. destination

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