Data Communication and Networking – May 2010

Part – A

    1. Identify the five components of data communication system.
    2. Name the five basic network topologies.
    3. Dialog control function of ___ layer.
    4. What is bit rate ?
    5. What is DC component ?
    6. In ___ transmission, bits are transmitted over a single wire, one at a time.
    7. The EIA-232 interface has ___ pins.
    8. In fiber optics, the signal source if ___ waves.
    9. Name three types of transmission impairments.
    10. What are three major multiplexing techniques ?
    11. List the steps involved in creating check sum ?
    12. Which sliding window ARQ is more popular ? Why ?
    13. Define the term protocol.
    14. Name the five categories of U.Frames ?
    15. What is collision ?
    16. What types of transmission media used in LANS?
    17. What are the three switching methods?
    18. Name some advantages of frame relay over X.25.
    19. What is NNI ?
    20. Which layer in ATM protocol has a 53-byte cell of an end product ?
    21. SONET is Acronym of ___.
    22. What are the three main elements of link state routing ?
    23. What is function of gateway?
    24. What are the fields in TPDU?
    25. What is SAP ?

Part – B

Unit -I

    1. Discuss in detail about OSI ?
    2. Write about standards?
    1. Describe about PCM technique ?
    2. How does FM differs with FSK ?

Unit -II

  1. Discuss in detail about unguided media ?
  2. Write short note on:
    1. EIA- 232
    2. Multiplexing.

Unit -III

    1. Explain about sliding window protocol.
    2. Discuss about multistage switch ?
    1. Explain about CSMA/CD,
    2. Write short note on HDLC.

Unit -IV

  1. Write short note on :
    1. Broadband ISDN
    2. AAL services.
  2. Explain in detail about ATM and its protocol Architecture?

Unit -V

  1. Discuss in detail about different networking devices.
  2. Give overview of 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.