OSIisatheoreticalmodelthatshowshowanytwodifferentsystemscancommunicatewitheachother.Router,asanetworkingdeviceoperateatthe()layeroftheOSImodel
A.transport B.application C.network D.physical正确答案C
OSIisatheoreticalmodelthatshowshowanytwodifferentsystemscancommunicatewitheachother.Router,asanetworkingdeviceoperateatthe()layeroftheOSImodel
A.transport B.application C.network D.physical正确答案C