Computer Network Unit 1: Intro To CN Previous Year Questions

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  1. What is Computer Network? Write the application of Computer Network.
  2. Write the different uses of Computer Network.
  3. Write the various layers of OSI model. Also explain each of them.
  4. Draw the layer diagram of TCP/IP protocol suite and explain it briefly.
  5. Which OSI Layer performs the following activities: 1. Error detection and correction 2. Routing 3. Responsibility for delivery between adjacent nodes. 4. Reliable process to process data transportation.
  6. Write a short notes on topology. Write its advantage and disadvantage.
  7. Compare OSI reference model and TCP/IP model.
  8. What do you mean by transportation media ? Explain.
  9. Write the benefits of layered network. What do you mean by Service Access Point?
  10. What is transmission mode? Write its various types.
  11. What is optical fiber? Explain it. Also write its advantage and disadvantage.
  12. Write the working principle of optical fiber transmission media. show its working.
  13. Write a note on twisted pair cable.
  14. Explain UTP and STP.
  15. Compare twisted pair, coaxial and fiber optic cable.
  16. What is Switch? Write three conventional switching methods.
  17. What do you mean by message switching? Write its advantage and disadvantage.
  18. What do you mean by packet switching? Write its advantage and disadvantage.
  19. What do you mean by circuit switching? Write its advantage and disadvantage.
  20. Write a note on : 1. LAN 2. MAN 3. WAN
  21. What do you mean by ISDN? Describe in brief the ISDN working to provide various services.
  22. Write the different type of channel which is defined by ISDN standards.
  23. Explain the user interface in ISDN.
  24. Write the features of ISDN. Also write the functions of different layers in ISDN.
  25. Why ADSL is not suitable for large business application.
  26. What is inverse multiplexing.