A.application layer
B.session layer
C.transport layer
D.network layer
E.datalink layer
F.physical layer
In the OSI model, at which layers do WANs operate at?()A.ApplicationlayerB.PresentationlayerC.SessionlayerD.TransportlayerE.NetworklayerF.DatalinklayerG.Physicallayer
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At which layers of the OSI model do WANs operate (Choose two.)()。A.application layerB.session layerC.transport layerD.network layerE.datalink layerF.physical layer
In the OSI model, at which layers do WANs operate at?（）A、ApplicationlayerB、PresentationlayerC、SessionlayerD、TransportlayerE、NetworklayerF、DatalinklayerG、Physicallayer
Which of the following layers of the TCP/IP model most closely corresponds to the network layer of the OSI model?（）A、ApplicationB、InternetC、TransportD、NetworkE、Data Link
At which layers of the OSI model do WANs operate?（）A、application layerB、session layerC、transport layerD、network layerE、datalink layerF、physical layer
Which three of the following OSI model layers also belong to the TCP/IP model?（）A、The application layerB、The session layerC、The data link layerD、The transport layerE、The network interface layerF、The physical layer
The TCP/IP network model differs from the more popular OSI model. Which of the layers below belong to the TCP/IP model?（）A、application layerB、session layerC、transport layerD、internet layerE、network layerF、data link layerG、physical layer
