Which of the following choices correctly names the four layers of Internet architecture model?
A.
Transport, network, data link, and Internet.
B.
Transport, data link, physical, and network access.
C.
Application, presentation, presentation, data link, and physical.
D.
Application, transport, Internet, and network access.
Explanation:
These are the four layers. The OSI Session, Application, and Presentation layers map to the
Application Layer, he OSI Transport Layer to the Transport Layer, Network Layer to the Internet
Layer, and the Physical and Data Link Layers to the Network Access Layer.
Incorrect Answers:
A: There are no network or data link layers. The network layer is called Internet Layer.
B: There is no data link or physical layers, they are combined into network access.
C: There are no presentation (combined into the application layer) or data link and physical(combined into the network access layer).