TheBorderGatewayProtocol(BGP)isaninterautonomoussystem(71)protocol.TheprimaryfunctionofaBGPspeakingsystemistoexchangenetwork(在此空作答)informationwithotherBGPsystem.ThisnetworkreachabilityinformationincludesinformationonthelistofAutonomousSystem(ASs)thatreachabilityinformationtraverses.BGP-4providesanewsetofmechanismsforsupporting(73)interdomainrouting.ThesemechanismsincludesupportforadvertisinganIP(74)andeliminatetheconceptofnetworkclasswithinBGP.BGP-4alsointroducesmechanismsthatallowaggregationofroutes,including(75)ofASpaths.Thesechangesprovidesupportfortheproposedsupernettingscheme.
A.secubility B.reachability C.capability D.reliability正确答案B
