TCP/IP()layerprotocolsprovideservicestotheapplication(请作答此空)runningonacomputer.Theapplicationlayerdoesnotdefinetheapplicationitself,butratheritdefines()thatapplicationsneed--liketheabilitytotransferafileinthecaseofHTTP.Inshort,theapplicationlayerprovidesan()betweensoftwarerunningonacomputerandthenetworkitself.TheTCP/IPapplicationlayerincludesarelativelylargenumberofprotocols,withHTTPbeingonlyoneofthose.TheTCP/IP()layerconsistsoftwomainprotocoloptions--theTransmissionControlProtocol(TCP)andtheUserDatagramProtocol(UDP).
A.hardware] B.software] C.packet D.equipment正确答案B
