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Computer Networks (3150710) - Information Technology

 Computer Networks (3150710) - Information Technology

  1. Explain Route Summarization or Route Aggregation in network layer.
  2. State the port number for the following application layer protocols.i) FTP ii) HTTP iii) SMTP iv) POP3
  3. Justify the statement, “HTTP server is stateless”.
  4. Besides bandwidth and latency, what other parameter(s) is/are needed to give a good characterization of the quality of service offered by network used for (i) Online financial transaction traffic? (ii) Video streaming traffic?
  5. Which of the OSI layers handles each of the following:i) Dividing the message into segments.ii) Determining which route through the subnet to use.iii) Dividing the transmitted bit stream into frames.
  6. For the below mentioned internet applications protocol, mention the underlying transport protocol (TCP or UDP). i) Telnet ii) FTP iii) HTTP
  7. Explain User Datagram Protocol (UDP) in detail and discuss how it differs from Transmission Control Protocol (TCP).
  8. Discuss the five layer internet protocol stack along with the functionalities of each layer in detail.
  9. Discuss the circuit switching versus packet switching approaches for moving data through a network of links and switches.
  10. What is the significance of the following flags in TCP segment? i) URG ii) SYN iii) FIN iv) PSH
  11. Define the term unicasting, multicasting, and broadcasting.
  12. Explain the class-full sub-netting with example.
  13. Discuss the count-to-infinity problem in distance vector routing algorithm with example.
  14. Difference between bit rate and baud rate.
  15. Differentiate between TCP vs. UDP
  16. Differentiate between Circuit Switching vs. Packet Switching
  17. Explain the UDP checksum mechanism for error detection with example.
  18. Demonstrate the various error detection techniques at data link layer with example.
  19. What are the three most important network-layer functions in a virtual-circuit network?
  20. Discuss the working of slotted aloha along with its efficiency in terms of channel utilization.
  21. Data link protocols almost always put CRC in a trailer rather than in a header. Why?
  22. Explain p-persistent CSMA protocol in detail.
  23. Explain the following static channel allocations mechanisms: i) TDMA ii) FDMA
  24. Explain functionality of Repeater, Hub, Bridge, Switch, Router and Gateway.
  25. Write short note on Domain Name System (DNS).
  26. Explain various delay which are occur in data packet transmission.
  27. What is topology? Explain star topology in brief.
  28. What is HTTP? Differentiate its persistent and non-persistent types with request-response behavior of HTTP.
  29. Explain Physical Address, IP address, Port Address in brief.
  30. Explain Distance Vector Routing Algorithm.
  31. Explain DHCP and Email in detail.
  32. Compare IPv4 and IPv6.
  33. Give difference between connection oriented and connectionless services.
  34. Differentiate its persistent and non-persistent types with request-response behavior of HTTP.
  35. Give differences between TCP and UDP.
  36. Discuss the principles of Reliable Data Transfer.
  37. What do you mean by congestion and overflow? Explain the slow-start component of the TCP congestion-control algorithm.
  38. Explain packet fragmentation with example.
  39. Write a short note on broadcast and multicast routing.
  40. What is IP address? Explain sub netting with example.
  41. What is socket? Explain its importance at transport layer protocols.
  42. Discuss transport layer multiplexing and demultiplexing concepts.
  43. Discuss CSMA/CD Protocol.
  44. Explain CRC code generation with example.
  45. Explain the hierarchical DNS system
  46. What do you mean by stream and datagram sockets?
  47. How the Jitter is different from the delay in streaming applications?
  48. Explain leaky bucket algorithm for the network traffic shaping.
  49. Explain flow and error control in TCP.
  50. Discriminate fully qualified domain name from partially qualified domain name.
  51. What do you mean by random access protocols? Explain slotted ALOHA in brief.

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