Evenforonesingleconnection,theretransmissiontimeshouldnotbefixed.Aconnectionmaybeabletosendsegmentsandreceive(74)fasterduringnontrafficperiodthanduringcongestedperiods.TCPusesthedynamicretransmissiontime,atransmissiontimeisdifferentforeachconnectionandwhi
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Evenforonesingleconnection,theretransmissiontimeshouldnotbefixed.Aconnectionmaybeabletosendsegmentsandreceive(74)fasterduringnontrafficperiodthanduringcongestedperiods.TCPusesthedynamicretransmissiontime,atransmissiontimeisdifferentforeachconnectionandwhichmaybechangedduringthesameconnection.
A.connections
B.requests
C.acknowledgments
D.datagrams
正确答案C
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