Previous Year Very Short Questions of DCN (PGDCA 2nd)

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Data communication and networks

Previous year question paper with solutions for Data communication and networks

Our website provides solved previous year question paper for Data communication and networks . Doing preparation from the previous year question paper helps you to get good marks in exams. From our DCN question paper bank, students can download solved previous year question paper. The solutions to these previous year question paper are very easy to understand.

These Questions are downloaded from www.brpaper.com You can also download previous years question papers of 10th and 12th (PSEB & CBSE), B-Tech, Diploma, BBA, BCA, MBA, MCA, M-Tech, PGDCA, B-Com, BSc-IT, MSC-IT.

Question papers (year-wise)
Very short questions
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  1. Compare digital and analog communication.
  2. Differentiate between LAN, MAN and WAN.
  3. What is multiplexing? Discuss.
  4. Write advantages and disadvantages of fiber optic cable.
  5. Discuss functioning of bridge and router?
  6. Differentiate between connection oriented and connection less service.
  7. Compare bus and ring topologies.
  8. Discuss HPLC protocol.
  9. What is flooding?
  10. Discuss elements of transport protocol.
  11. How does AM differ from ASK?
  12. Differentiate between polling and selecting.
  13. For n devices in a network, what is the number of cable links required in Mesh and Bus topology?
  14. Which class of IP addresses is used for multicasting?
  15. What do you mean by packet switched network?
  16. A 10 kHz baseband channel is used by digital transmission system. Ideal pulses are sent at the Nyquist rate, and the pulses can take 8 levels. What is the channel capacity of the system?
  17. What is the difference between connection oriented and conectionless services (give at least one example for each)?
  18. What is the difference between spread spectrum and multiplexing?
  19. Why IP version 6 is required?
  20. A telephone line has a bandwidth of 3000Hz. Compute its data transfer capacity if the signal to noise ratio is 30dB.