Which of the following shows the layer sequence as layers 2, 5, 7, 4, and 3?

A.
Data link, session, application, transport, and network

B.
Data link, transport, application, session, and network

C.
Network, session, application, network, and transport

D.
Network, transport, application, session, and presentation

Explanation:
A: The OSI model is made up of seven layers: application (layer 7), presentation (layer 6), session (layer 5), transport (layer 4), network (layer 3), data link (layer 2), and physical (layer 1).