Data Communication and Networking – November 2012

Part – A

    1. Why standards are required in communication?
    2. List different topologies in networks.
    3. What is meant by pipelining?
    4. List different types of errors.
    5. Differentiate between circuit switching and packet switching.
    6. What is meant by hamming distance?
    7. Differentiate between Aloha and slotted aloha.
    8. Differentiate between synchronous and asynchronous transmission.
    9. (i)What are ISDN services?
    10. (j)What is the by pose of session layer?

Part – B

Unit -I

  1. Discuss about any 3 digital to digital encoding.
  2. Explain about OSI layers.

Unit -II

  1. Write about different guided media.
  2. Write about multiplexing and telephone system.

Unit -III

  1. Write about token ring and its frame format.
  2. Write about different error-control techniques.

Unit -IV

  1. Explain about ISDN.
  2. Discuss about ATM architecture.

Unit -V

  1. Write about different routing algorithm.
  2. Write about TCP/IP.

Attention : This exam questions are converted from the real exam paper to a digital text format by using an OCR Software that may made some mistakes, I reviewed it many times to correct it, But may still there some errors that I missed or misspelled, So if you detect an error or mistake PLEASE report by adding a comment or contact me.