Project #59159 - Information Systems - Data Communications

 

Answer all questions in detail. Your assignment must have a reference page and be written in APA format. This is more than a high level overview. Answer questions using specific concepts mentioned in the text and other sources. Provide necessary references. Each answer must be 5-600 words each.

Online book access available if needed.

 

 

 

1. Explain the function of three flags in IPv4 header. Also, explain how the header checksum is calculated.

 

 

 

2. Explain the two-way and three-way handshake mechanisms in TCP.

 

 

 

3. Briefly explain how can TCP be used to deal with network or internet congestion?

 

 

 

4. Discuss briefly why fragmentation/reassembly is necessary and how is it done in IP.

 

 

 

5. Explain the main parts of TCP header. What is the minimum size in bytes?

 

 

 

6. What is the difference between error detection and error correction? Explain with examples.

 

 

 

7. Why would you expect a CRC to detect more errors than a parity bit? Explain with examples.

 

 

 

8. How is piggybacking done in HDLC? Explain with an example.

 

 

 

4. What are the functions performed by a bridge? How are these functions different from the functions of a switch and a router?

 

 

 

5. Explain IEEE 802 reference model in context with OSI layers. What are the roles of LLC and MAC in IEEE 802 model?

 

 

 

6. What are the advantages of packet switching compared to circuit switching?

 

 

 

7. Explain the three persistent protocols that can be used with CSMA.

 

 

 

8. What is CSMA/CD? Explain binary exponential backoff in CSMA/CD?

 

 

 

9. List and briefly explain different IEEE 802.11 services.

 

 

 

10. Discuss the importance of authentication in IEEE WLANs.

 

 

 

11. Explain the function of three flags in IPv4 header. Also, explain how the header checksum is calculated.

 

 

 

12. Explain the two-way and three-way handshake mechanisms in TCP.

 

 

 

13. Briefly explain how can TCP be used to deal with network or internet congestion?

 

 

 

14. Discuss briefly why fragmentation/reassembly is necessary and how is it done in IP.

 

 

 

15. Explain the main parts of TCP header. What is the minimum size in bytes?

 

 

 

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Due By (Pacific Time) 02/23/2015 09:30 am
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