Chapter 2 Vocabulary & Questions

Vocabulary

Datagram

Encapsulation

Frame

Layer 1: Physical

Layer 2: Data Link

Layer 3: Network

Layer 4: Transport

Layer 5: Session

Layer 6: Presentation

Layer 7: Application

Packet

Peer-to-peer

Segment

TCP/IP

TCP/IP Application Layer

TCP/IP Internet Layer

TCP/IP Network Layer

Questions

1. Briefly describe six reasons why a layered network model is used in Internetworking
2. From memory, list the seven layers of the OSI model and briefly describe their function.
3. What is meant by the term Peer-to-Peer Communication?
4. Briefly describe the process of data encapsulation using the following terms: data, segment, packet, frame, and bits.
5. Describe the information that is added at the data as it is encapsulated in the transport, network and data link layers.
6. What is the OSI reference model?
7. Will networks that are built following the OSI model be identical?
8. What process does the OSI model describe?
9. Define medium.
10. What I the importance of the TCP/IP model?
11. How does the OSI model compare with the TCP/IP model?

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