Chapter 2


1

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".




Storage Networking Protocol Fundamentals
Storage Networking Protocol Fundamentals (Vol 2)
ISBN: 1587051605
EAN: 2147483647
Year: 2007
Pages: 196
Authors: James Long

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