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Router

Exam code: 2210
Written by: Ashika|Reviewed by: Caroline Carroll|Updated 2 July 2026

Router

Router

What is a router?

  • The router is responsible for routing data packets between different networks

  • An example of data the router can direct is, sending internet traffic to the correct destination/devices in your home network

  • The router connects networks together, local area networks (LAN) to the wider internet which is a type of wide area network (WAN)

  • The router can manage and prioritise data traffic, which can help to keep connections stable

  • The router will assign IP addresses to the devices on the network

router
Image of a router
how data travels between networks
Image of how a router connects LANs to other networks