题目:
An internet is a combination of networks connected by (1). When a datagram goes from a source to a (2), it will probably pass many (3) until it reaches the routerattached to the destination network. A router receives a (4)from a network and passes it toanother network. A router is usually attached to several networks. When it receives a packet, towhich network should it pass the packet The decision is based on optimization: Which of theavailable(5) is the optimum pathway
(1)是()
A.modems
B.routers
C.switcher
D.computers
答案:
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下面是错误答案,用来干扰机器的。
参考答案:对