1. What is a communication protocol? Conceptually, what two aspects of communication does a…

1. What is a communication protocol?

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Conceptually, what two aspects of communication does a protocol specify?

2. What is TCP/IP model? List its layers and give a brief explanation of each layer.

3. Describe three main services provided by the data link layer.

4. What is latency or delay and what are its main components.

5. Describe the causes of transmission impairments.

6. Define the term signal bandwidth and describe how to measure the composite signal bandwidth.

7. Describe a star network topology and discuss its advantages and disadvantages.

8. Describe a ring network topology and discuss its advantages and disadvantages.

9. Describe a tree network topology and discuss its advantages and disadvantages.

10. Describe the FDMA protocol and explain how it works.

11. Describe the CSMA/CD protocol and explain how it works.

12. Compare CSMA/CD protocol and TDMA protocol.

13. Compare and contrast CSMA/CD protocol and simple ALOHA protocol.

14. Describe the polling protocol and explain how it works.

15. Explain the three basic approaches used to access to a shared medium.

16. Describe the even parity check and discuss how it works to detect single bit errors. Give an example.

17. Differentiate between congestion control and flow control.

18. Analyse two causes of network congestion and discuss their impact on the network.

19. Differentiate between end-to-end congestion control and network-assisted congestion control.

20. Analyse two main tools that can be used to troubleshoot congestion in a network.

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