Answer: Internet layer in TCP/IP stack is used for the transmitting and exchanging of information or message between the source and destination in computer systems.The main functions performed by this layer are as follows:-
- It transfers the message to the network interface layer
- The correct information route and destination is established
- Prefers intelligent routing technique by choosing the shortest route among all paths
- If any error case of transmission arises then another alternate path for datagram transmission is used.