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Q1. describe why does UDP exist? Would it not have been adequate to just let user processes send the raw IP packets? Validate your answer.

Q2. Distinguish between the services offered by the transport layer and network layer.

Q3. TCP machine is sending windows of 65535 bytes over the 1-Gbps channel which consists of a 10-milisecond one-way delay. Illustrate the maximum throughput achievable? Determine the line efficiency?

Q4. prepare down the DES algorithm for the data encryption.

Q5. Decipher the given monoalphabetic cipher. (Note: the space as it is)

“VRGR   PBHEFR  VF  TBBQ”

Q6. prepare a detail note on one of the given terms:

a) HTTP
b) Queuing Theory
c) CSMA/CD               

Computer Network & Security, Computer Science

  • Category:- Computer Network & Security
  • Reference No.:- M911974

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