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Networks, LANs and protocols

Networks, LANs and protocols

Small organisation network showing PCs, printer, server and wireless devices connected through a switch, router, firewall and modem to the internet A network is a set of connected devices, called nodes, that exchange data and share resources. Links can be wired or wireless, and data is usually split into packets for transmission.

Networks Lesson

  1. A Level
  2. /Computer Science
  3. /Networks

Step-by-step lessons on OCR A Level Computer Science Networks. Each one builds up to exam-style questions.

Lessons