Which is the correct definition of a router?
1. Network hardware used to connect different devices together.
2. A powerful computer which provides services to a network.
3. Network hardware used to connect multiple networks together across the Internet.
3. Network hardware used to connect multiple networks together across the Internet.
The correct definition of a router is:
3. Network hardware used to connect multiple networks together across the Internet.
A router is a device that forwards data packets between computer networks. It operates at the network layer of the OSI model and is responsible for directing network traffic based on its destination IP address. Routers are commonly used in homes, offices, and service providers to connect different networks together and enable communication across the Internet.