TheDynamicHostConfigurationProtocolprovidesconfigurationparameterstoInternet().DHCPconsistsoftwocomponents:a(本题)fordeliveringhost-specifieconfigurationparametersfromaDHCPservertoahostandamechanismforallocationofnetworkaddressestohosts.DHCPisbuiltonaclient-servermodel,wheredesignatedDHCPserverhostsallocatenetworkaddressesanddeliver()parameterstodynamicallyconfiguredhosts.DHCPsupportsthreemechanismsforIPaddressallocation.In“automaticallocation”,DHCPassignsa()IPaddresstoclient.In“dynamicallocation”,DHCPassignsanIPaddresstoaclientforalimitedperiodoftime.In“manualallocation”,aclient’sIPaddressisassignedbythenetwork(),andDHCPisusedsimplytoconveytheassignedaddresstotheclient.
A.router B.protocol C.host D.mechanism正确答案B
