Computer Communication Networks June 2021 | Semester 6 MU Question Paper

Q2]

A) Solve any Two: 5 marks each

i. Explain the features of TCP.

ii. Draw the IPv4 header.

iii. Explain Selective repeat ARQ protocol.

B) Solve any One: 10 marks each

i. Classify Multiple access protocols. Discuss various scheduling medium access control techniques.

ii. Explain in brief DSL and HCF.

Q3]

A) Solve any Two: 5 marks each

i. An organization is granted the block 211.17.180.0/24 . The administrator wants to create 32 subnets.

• Find the subnet mask.
• Find the number of addresses in each subnet.
• Find the first and last address in subnet 1.
• Find tne first and last address in subnet 32.

ii. Differentiate between Bus Topology and Ring Topology.

iii. Explain the function of Data Link layer.

B) Solve any One: 10 marks each

i. Explain the different error reporting messages in ICMP with message format.

ii. Explain the Transition States of TCP with neat diagram.