Router (Cambridge (CIE) O Level Computer Science)
Revision Note
Written by: James Woodhouse
Reviewed by: Lucy Kirkham
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
Worked Example
State 3 tasks carried out by a router [3]
To answer the question you must simply identify 3 tasks a router does
1 mark each to max 3 e.g.
Send and Receive packets of data
Connect a local network to the internet
Assign IP addresses to nodes/devices
Converts packets from one protocol to another
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