How many layers are specified in the OSI reference model?
Answer:
Seven. Many popular networking technologies divide the seven OSI Layers into sublayers, but these optional subdivisions are not specified within the OSI reference model.
2
The data-link layer communicates with which OSI layer in a peer node?
Answer:
The Data Link Layer.
3
What is the OSI term for the interface between vertically stacked OSI layers?
Answer:
The Service Access Point (SAP).
4
How many OSI layers operate end-to-end? List them.
Answer:
Four: Transport, Session, Presentation and Application.
5
Which OSI layer is responsible for bit-level data encoding?
Answer:
The Physical Layer.
6
Which is the only OSI layer not inherent to the Fibre Channel architecture?
Answer:
The Network Layer.
7
Create a mnemonic device for the names and order of the OSI layers.
Answer:
Any answer that helps the reader remember the names and the order of the OSI Layers is correct. A popular mnemonic device is "All People Seem To Need Data Processing".
