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Q1. Distinguish between the Message switching, Packet switching and the Circuit switching.

Q2. Illustrate the various types of networking or internetworking devices? Describe them.

Q3. An analog signal consists of a bit rate of 8000 bps and a baud rate of 1000 baud. Determine the number of data elements which are carried by each signal element? Determine the number of signal elements do we require?

Q4. Draw a fundamental block diagram of ARQ and describe the Selective Repeat ARQ method.

Q5. A pure ALOHA network transmits 200-bit frames on a shared channel of 200 kbps. Illustrate the throughput if the system (all stations altogether) produces:

a) 1000 frames per second
b) 500 frames per second
c) 250 frames per second

In which case percentagewise maximum throughput would be accomplished.

Q6. Differentiate between the given:

a) Static and dynamic routing.
b) Centralized and distributed routing.

Computer Network & Security, Computer Science

  • Category:- Computer Network & Security
  • Reference No.:- M910844

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