Explain the difference between a switch and a router.

The Difference Between a Switch and a Router

When it comes to network devices, understanding the difference between a switch and a router is key. Both are essential components in building a network infrastructure, but they serve different purposes.

Switch:

A switch operates at the data link layer of the OSI model and is used to connect multiple devices within a local area network (LAN). It forwards data packets only to the specific device intended to receive them, making data transmission more efficient within the same network.

Router:

A router operates at the network layer of the OSI model and is responsible for connecting different networks together. It receives data packets, reads the destination IP address, and forwards them to the appropriate network. Routers are essential for directing traffic between different networks, such as LANs and the Internet.

In summary, a switch is used to connect devices within the same network, while a router is used to connect different networks. Both devices play distinct roles in ensuring seamless and efficient data transmission within a network infrastructure.

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