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飞猴 · 发表于 2003-10-24 00:00:17

9. Which of the following statements about a reliable connection oriented data transfer are true? (Choose two) A. Recipients acknowledge receipt of data. B. When buffers are filled to capacity, datagrams are discarded and not re transmitted. C. Windows are used to control the amount in outstanding acknowledged data segments. D. If the segments timer expires between receipt of an acknowledgement the sender drops the connection. E. The receiving device waits for acknowledgements from the sending device before accepting more data segments.

arsa · 发表于 2003-10-24 08:11:15

答案是不是C，E啊？？？ 一个是窗口机制，一个是确认

chinamoon · 发表于 2003-10-24 23:26:43

<BLOCKQUOTE>引用：<HR Size=1>原文由 arsa 发表: 答案是不是C，E啊？？？ 一个是窗口机制，一个是确认<HR SIZE=1></BLOCKQUOTE> 对,arsa的答案是正确的.飞猴有问题么? 主要在什么方面不够清楚? 说出来讨论一下.

westwindy · 发表于 2003-10-26 17:10:41

英雄所见略同

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