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Q1. Draw the OSI reference model and TCP/IP architecture.

Q2. If a periodic signal is decomposed to five sine waves with frequencies of 100, 300, 500, 700, and 900 Hz, then find out bandwidth? Draw the spectrum, supposing all the components have maximum amplitude of 10 V.

Q3. Describe the Stop and wait protocol for the noiseless channels.

Q4. What do you mean by Random Access protocols? List all the three random access protocols.

Q5. Determine the error, if any, in each of the given IPv4 addresses.

a) 111.56.045.78
b) 221.34.7.8.20
c) 75.45.301.14
d) 11100010.23.14.67

Q6. How Multiplexing is done in the transport layer and what are its benefits?

Q7. Describe the DES and give its block diagram.

Computer Network & Security, Computer Science

  • Category:- Computer Network & Security
  • Reference No.:- M910966

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