Computer Network Unit 4: Transport Layer Previous Year Q & A

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  1. What is transport layer? Explain in brief.
  2. Draw the diagram of TCP header and explain the use of following:
    1. Source and destination port address.
    2. Sequence and acknowledgement numbers.
    3. Code bits 4. Window bits 5. Urgent pointer.
  3. Write a note on UDP.
  4. What is the different between TCP and UDP.
  5. What is UDP? What is maximum and minimum size of a UDP datagram. Also discuss the use of UDP.
  6. Explain the header format of TCP.
  7. Explain the header format of UDP.
  8. Compare the TCP header with UDP header.
  9. What is session layer? discuss the design issue of session layer.
  10. Write the services provided by session layer.
  11. Describe the retransmission, simplex , half duplex and full duplex transmission terms.
  12. What is presentation layer? Write the design issue of presentation layer.
  13. What is cryptography ? Distinguish between symmetric and asymmetric key cryptography.
  14. Define cryptography with the help of block diagram of symmetric and asymmetric key cryptography.
  15. Explain Nagle’s algorithm in brief.
  16. What is silly window syndrome in TCP flow control? Explain Nagle’s algorithm and Clark’s solution for the syndrome created by sender and receiver.
  17. What is MIME?
  18. Explain different quality of services parameters available in transport layer.
  19. What is RSA technique? Explain.
  20. Write a note on :
    1. Digital audio
    2. Audio compression
    3. Streaming audio
  21. What is TCP? Connection termination in TCP is symmetric , whereas connection establishment is not. Why?
  22. Explain three way handshaking.
  23. How does the transport layer ensure that the complete message arrive at the destination and in the proper order?
  24. What is the procedure for compressing data using run-length encoding?
  25. Explain about the TCP header and working of TCP protocol and differentiate between TCP and UDP with frame format.