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Networking - Coggle Diagram

- - - - Connects LANs to the internet (WAN). Splits data into packets with the correct header and relevant data.
    - - .A switch transfers data from one device to another
        .They create a MAC addressing table so that they can send data directly to the correct device once it knows them.
    - - .Required by every device that connects to a network.
        
        . NICs can be wired or wireless
        
        .NICs hold the MAC address of the individual device
    - - Provide the physical connection to network for wireless devices. It sends and receives radio signals.
  - - - Secondary storage used as primary storage like the RAM
    - - The server is the main computer and provides resources for all users. Server managed by the network manager. Backup is the responsibility of the network manager. Cn support many users. Security is controlled by the central computer.
  - - - A group of networks that cover a smaller geographical area. The infrastructure is owned and managed by individuals or small companies.
    - - A group of networks that cover a wider geographical area. The infrastructure is owned by third parties such as BT or Virgin Media. E.g. The Internet.
- - - - Ethernet
    - - Wi-Fi
      - Bluetooth