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  3. For （）service， we need a virtual-circuit

For （）service， we need a virtual-circuit

练习题库2022-08-02  97
问题 For （）service， we need a virtual-circuit subnet. Let us see how that works. The idea behind virtual circuits is to avoid having to choose a new（）for every packet sent. Instead， when a connection is established， a route from the（）machine to the destination machine is chosen as part of the connection setup and stored in tables inside the（）That route is used for all traffic flowing over the connection， exactly the same way that the telephone system works. When the connection is released， the virtual circuit is also terminated. With connection-oriented service， each packet carries an（）telling which virtual circuit it belongs to.A.sourceB.routeC.destinationD.host
选项 A.source
B.route
C.destination
D.host
答案 A
解析 虚电路相关。
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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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