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| 作者:不明 来源:www.pccode.net 整理 发布时间:2007-1-24 15:24:13 发布人:wongrs | |
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A. An API that makes the transport layer independent B. An API that allows multiple applications to share a network connection C. A function that makes remote procedures appear to be local D. The point where upper-layer processes access transport layer services 16) Which of the following services uses a process called windowing (下面的哪一个服务使用了所谓的窗口机制)? A. Reliable data transfer B. Connection-oriented virtual circuit C. Buffered transfer D. Resequencing E. Multiplexing F. Efficient, full-duplex transmission G. Flow control 17) What is UDP (什么是U D P )? A. An API that makes the transport layer independent B. A connectionless, unreliable transport protocol C. An API that allows multiple applications to share a network connection 18) What is IP (什么是I P )? A. It is the transport mechanism for upper layer services B. It is the session layer API for making the transport layer independent C. It is the network layer protocol that moves data from one node to another 19) What is ICMP (什么是I C M P )?
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