Flow control is a function that prevents network congestion by ensuring that(66)do not over-whelm(67)with data. There are three 

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问题 Flow control is a function that prevents network congestion by ensuring that(66)do not over-whelm(67)with data. There are three commonly used methods for handling network congestion.(68)is used by network devices to temporarily store bursts of excess data in memory until they can be processed.(69)are used by receiving devices to help prevent their buffers from overflowing.(70)is a flow-control scheme in which the source device requires an acknowledgment from the destination after a certain number of packets have been transmitted.

选项 A、Buffer
B、Source-quench messages
C、window
D、Windowing
E、Buffering

答案D

解析 流量控制是一种通过确保(66)的数据不淹没(67)的防止网络拥塞的功能。通常有三种方法来解决网络拥富。网络设备用(68)来暂存内存中过多的数据只到其得到处理;接收设备用(69)来帮助防止缓冲区溢出。(70)是一种流量控制策略,在这种策略中,源端收到目标端发来的确认信息,确定所发送的某一数据包已传输。
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