SimpleNetworkManagementProtocol(SNMP)isanInternetStandardprotocolforcollectingandorganizinginformationaboutmanageddevicesonIPnetworksandformodifyingthatinformationtochangedevice().SNMPisacomponentoftheInternetProtocolSuiteasdefinedbytheInternet(请作答此空)TaskForce.SNMPoperatesinthe()layeroftheInternetprotocolsuite.AllSNMPmessagesaretransportedviaUser()Protocol.AnSNMP-managednetworkconsistsofthreekeycomponents:a)Manageddevices,b)()(i.e.,softwarewhichrunsonmanageddevices),andc)Networkmanagementstation(NMS)(i.e.,softwarewhichrunsonthemanager).
A.Managing B.Controlling C.Engineering D.Researching正确答案C