2. Which one of the following is not a function of network layer?ld) error controla) routing b) inter-networking c) congestion control

Analysis of Network Layer Functions

The network layer is responsible for routing data packets between devices across different networks. Below are the primary functions of the network layer:

1. Routing: This is the process of determining the optimal path for data to travel across networks. It ensures that data packets reach their destination efficiently.

2. Inter-networking: The network layer facilitates communication between different networks, making it possible for devices on one network to communicate with devices on another.

3. Congestion Control: While congestion control refers to regulating data transmission to prevent network overload, it is not primarily a function of the network layer itself. Instead, it is often handled by transport layer protocols.

4. Error Control: Primarily managed by the data link layer, error control involves detecting and correcting errors that may occur during data transmission.

Final Answer

The option that is not a function of the network layer is d) error control.