Selectingafixedretransnussiontimeforallconnectionscanresultinseriousconsequences.Iftheretransmissiontimedoesnotallowenoughtimefora(73)toreachthedestinationandanacknowledgmenttoreachthesource,itcanresultinretransmissionofsegmentsthatarestillontheway.Conversely,iftheretransnussiontimeislongerthannecessaryforashortpath,itmayresultindelayfortheapplicationprograms.
A.process B.segment C.program D.user正确答案B
