Question

3 - the osi model
learning objective: identify the purpose and layers of the osi model.
which option correctly describes the layers of the osi model starting with the user?
a.) application > presentation > session > transport > network > data link > physical
b.) session > presentation > application > transport > network > data link > physical
c.) presentation > application > session > transport > network > data link > physical
d.) application > physical > session > transport > network > data link > presentation

Explanation:

The OSI (Open - Systems Interconnection) model has 7 layers starting from the user - facing layer which is the Application layer, followed by Presentation, Session, Transport, Network, Data Link, and Physical layers.

Answer:

a.) Application > Presentation > Session > Transport > Network > Data Link > Physical