OSPFisalink-stateroutingprotocol。Itisdesignedtoberuninternaltoasingle()system。EachOSPFroutermaintainsanidentical()describingtheautonomoussystem’stopology。Fromthisdatabase,aroutingtableiscalculatedbyconstructingashortest-path(73)。OSPFrecalculatesroutesquicklyinthefaceoftopologicalchanges,utilizingaminimumofrouting()traffic。OSPFprovidessupportforequal-costmultipath。Anarearoutingcapabilityisprovided,enablinganadditionallevelofroutingprotectionandareductioninroutingprotocol()。
A.connection B.tree C.decision D.bitmap正确答案B