Q. Basic working of Network layer?

Network layer: Network layer is responsible for routing a packet within the subnet that is, from source to destination nodes across numerous nodes in the same network or across multiple networks. This layer also makes sure the successful delivery of a packet to destination node. The network layer performs the below functions:

• Routing: To find optimal route

• Congestion control: which is based on two approaches

(i) Increase on resources

(ii) Decrease the word

• Accounting and billing