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Chapter-4-Problems-Answers.md
a. 数据报网络更好,如果无法运转时可以使用其他的路线继续发送。如果是虚电路就需要重新建立连接了。 b. 虚电路体系更好,因为提供固定的容量正好能搭建一个虚电路。 c. 数据报体系的控制流量开销更多,因为数据报需要更大报文首部。 b. 可能的确定方法 ...
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