Amanagementdomaintypicallycontainsalargeamountofmanagementinformation.Eachindividualitemof()informationisaninstanceofamanagedobjecttype.Thedefinitionofarelatedsetofmanaged(72)typesiscontainedinaManagementInformationBase(MI B)module.ManysuchMIBmodulesaredefined.Foreachmanagedobjecttypeitdescribes,aMIB(73)definesnotonlythesemanticsandsyntaxofthatmanagedobjecttype,butalsothemethodofidentifyinganindividualinstancesothatmultiple(74)ofthesamemanagedobjecttypecanbedistinguished.Typically,therearemanyinstancesofeachmanagedobject(75)withinamanagementdomain
A.rotation B.switch C.management D.transmission正确答案C