Shivaji University 2012-4th Sem B.E Computer Science and Engineering S.E.(Computer sci& engg.) , COMPUTER NETWORKS-II - Question Paper

S.E.(Computer sci. & engg.) (sem-IV) Examination,2012 COMPUTER NETWORKS-II
Sub Code.-43615

Instruction:1)Solve any two ques. from every part.
2)Figures to the right indicate full marks

SECTION-I

1. a) What is congestion?Explain open loop congestion control policies.
b) discuss Link state routing in detail.

2. a) explain various kinds of addresses used in IPv6.

b) obtain the 1st addresses,last address and the range of addresses in subsequent blocks.

i) 215.19.21.128/26
ii) 120.76.77.32/29

3. a) discuss shortest path routing algorithm with necessary subnet diagram.

b) discuss working of leaky bucket algorithm in detail.

c) discuss jitter control.

SECTION-II

4. a) discuss TCP connection establishment mechanism with necessary diagram.

b) Draw and discuss TCP header format.

5. a) discuss Email architecture with suitable diagrams.

b) discuss DES in detail with diagram.

6. a) explain DS field used to implement differential service.

b) discuss Cipher Block Chaining.

c) discuss Berkely socket primitives.

Earning:   Approval pending.