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NETWORKS, hub switch, Carmela Diaz Alberdi & Paz Amodei, networks,…

- - - - Resources (printers and internet connections)
      - Easily files and data
    - - Store data to access and manage backups
      - Keep our settings so we can use any workstation
- - - - If it receives a message, it checks who it is addressed to, and only sends it to that specific computer.
      - More secure but more expensive.
  - - - placed between the LAN and the Internet connection
      - blocks unauthorised connections
  - - - DAC - modulator
        
        send data down the analogue telephone line
        
        converts digital data into noises
      - ADC - demoludator
        
        required so that the analogue signals (noises) that arrive via the telephone line can be converted back into digital data.
- - - - ex: Businesses and other organisations often have intranets for use by their employees.
    - - view internal web pages
      - instant messaging
      - sharing of internal documents