Data Communication and Networking – May 2011

Part – A

    1. What are the various data transmission modes? Explain it in brief.
    2. Name any four network topologies.
    3. Explain OCE
    4. What is a single-sit error.
    5. What are data link protocols.
    6. Define ARQ
    7. Define ATM
    8. Explain Packet Network and Cell Network
    9. Explain Gateways
    10. How are bridges useful.

Part – B

Unit -I

    1. Explain data communication system components.
    2. Define OSI model.
    1. Define line configuration.
    2. Define LAN, WAN, MAN.

Unit -II

  1. Discuss about transmission media in detail.
  2. Explain synchronous TDM multiplexer and DE MUX process.

Unit -III

  1. Discuss in detail about project 802 and Ethernet.
  2. Discuss about ATM, its design goals, topology and protocol architecture.

Unit -IV

  1. Explain ATM protocol architecture and layers categories.
    1. Define SQNGT layers.
    2. Explain different SONET layers.

Unit -V

  1. Explain about session layer, presentation layers of ODI and related issues.
    1. Explain the fields of Transport Protocol Data Unit.
    2. {{ Missed Question }}

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.