路由虚拟服务器tcp,●在使用路由器R的TCP／IP网络中,两主机通过一路由器互联,提供主机A和主机B应用层之间通信的层是 (_考题宝...

●Flow control is a function that prevents network congestion by ensuring that (71) do not overwhelm (72) with datA．There are three commonly used methods for handling network congestion ． (73) is used by network devices to temporarily store bursts of excess data in memory until they can be processed． (74) are used by receiving devices to help prevent their buffers from overflowing ． (75) 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．

(71)~(72)A．transmitting devices

B．transmitted devices

C．receiving devices

D．received devices

(73)~(75) A．Buffer

B．Source-quench messages

C．Buffering

D．Windowing