Data Communication and Networking – May 2012

Part – A

    1. Define protocol.
    2. Write notes on different transmission modes.
    3. What do you mean by Unguided media.
    4. List different types of Errors.
    5. Define Line discipline.
    6. Differentiate between token ring and token ring.
    7. What is ISDN?
    8. Describe the SONET frame format.
    9. What is a Repeater.
    10. Write a short note on routing Algorithm.

Part – B

Unit -I

    1. Write a short notes on Network Topology.
    2. Describe the OSI layered Architecture and functions of each layer.
  1. Discuss in detail about different Digital-to-Digital data encoding schemes.

Unit -II

  1. Explain about multiplexing and types of multiplexing in detail.
  2. Discuss about CRC and Error correction codes.

Unit -III

  1. Explain about selective reject and stop and wait ARQ with examples.
  2. Discuss about circuit switching and packet switching in detail.

Unit -IV

  1. Explain about X.25, its layers and protocol’s.
  2. Discuss about ATM, its design goals, topology and protocol architecture.

Unit -V

  1. Explain about presentation layer and application layer’s of OSI and related issues.
  2. Give an overview of TCP and its frame format.

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.