Computer Networks 2073

Group A

Long Answer Questions:

Attempt all questions.                                                                                        (2x10=20)

1.      Explain the seven layers of OSI model and compare between them.

OR

What do you mean by link state routing algorithm? Differentiate between IPv4 and IPv6.

2.      Explain the purpose of subnetting and also explain the subnet mask.

Group B

Short answer Questions:

Attempt any eight questions.                                                                                       (5x8=40)

3.      Explain the responsibilities of data link layer in the internet model.

4.      What do you mean by TCP push operation?

5.      Explain the Internet Control Message Protocol (ICMP)?

6.      Explain the point to point to protocol (PPP) with example.

7.      Write down the technique used in the 802.12 protocol for wireless networks?

8.      Differentiate between ALOHA and slotted ALOHA protocols.

9.      Discuss the idea used in public key encryption system.

10.      What are the applications of multimedia networking?

11.      Mention the intra structure for network management.