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M.Tech. in Computes1 science Ex&m Isa 00:0, Febrisary 2(111

COMPUTER NETWORKS ”

Tiarne : 3 Hours Max. Maiks: 80

Instruction : Answer any six questions from fart A cmJ jnswer any five questions

from Pan B,

PART ~ A

A^nswer any six questions, (6x5-30)

1 , List, the advantages of star topology.

Explain the mesh and star topologies of the network in detail with diagram.

.5 _ How does a single-bit error differ from a burst error ?

4- Write a note on distance vector routing and link state routing.

5 „ What is the use of UDP ? ■

6_ What is congestion control ?

7. Explain the categories of web documents.

8. Explain cryptography.

PART - B

Aatiswer any five questions. (5x10-50)

1. Discuss briefly about the layers present in the OS I model with neat diagram,

Explain different types of line coding in data communication.

Explain the sliding window protocol.

Explain in detail about IP Addressing methods.

Draw and explain in detail about the State Transmission diacram of TCP.

What are the duties of transport layer ?

How the E-mail System Works ?

Explain the components and function of Domain Name Service,