Computer networking UE Past Papers Questions.

Explain five (5) key tasks performed at the data link layer

Answer / Solution

How does a switch learn the MAC addresses of the hosts connected to it ? Mention at least three protocols  that are used in the network layer.

Answer / Solution

What is routing protocol ? Mention at least three examples of routing protocols.

Answer / Solution

Mention two advantages of a Switch and a Router

Answer / Solution

An ISP owns the block of addresses of the form 198.168.32.0/26. Suppose it wants to create four subnets from this block, each with the same number of IP  addresses.

1. What is the network IP address for each subnet?
2. What is the subnet mask for 198.168.32.0/26?
3. Write down the broadcast IP address for each subnet
4. Write at least two IP addresses that will be used by host in each subnet

Answer / Solution