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单选题网络工程师

2009-04-21

文中（　3　）处正确的答案是（　　）。

A．pmdueer

B．customer

C．programmer

D．analyser

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参考答案

B

答案解析

暂无解析

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1 文中（　4　）处正确的答案是（　　）。

A．rules

B．principles

C．scenarios

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2 文中（　5　）处正确的答案是（　　）。

A．detailed

B．outlined

C．total

D．complete

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3 根据下面的文字资料回答题Flow control is a function that prevents network congestion by ensuring that（　1　）do
not overwhelm（　2　）with data．There are three commonly used methods for handling network congestion．（　3　）is used by network devices to temporarily store bursts of excess data in memory until they can be processed（　4　）are used by receiVing devices t。help preVenttheir buffers from overflowing。（　5　）is a flow-control scheme in which the source device requires an acknowledgment from the destination after acertain number of packets have been transmitted.文中（　1　）处正确的答案是（　　）。

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