2. 计算机
  3. For (71) service, we need a virtual-circuit subnet. Let us see how that works. The idea behind virtual circuits is to avoid havi

For (71) service, we need a virtual-circuit subnet. Let us see how that works. The idea behind virtual circuits is to avoid havi

admin2019-05-15  42
问题 For (71) 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 (72) for every packet sent. Instead, when a connection is established, a route from the (73)machine to the destination machine is chosen as part of the connection setup and stored in tables inside the (74) 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 (75) telling which virtual circuit it belongs to.
选项 A、processor
B、device
C、route
D、terminal
答案C
解析
转载请注明原文地址:https://kaotiyun.com/show/4VkZ777K
本试题收录于： 网络管理员上午基础知识考试题库软考初级分类
0

网络管理员上午基础知识考试

软考初级

相关试题推荐
随机试题
最新回复(0)