All devices or nodes are connected to each other using a hub which is usually connected to a server like in our school network.

Common mistake – the server does not connect to all the devices or nodes directly. The server is connected to the central hub or switch like all the other nodes.


  • Secure – all data passes through the central hub/ switch
  • Troubleshooting – fewer possible areas of fault.
  • Extension – easy to add new¬†workstations
  • Collisions – Less/ no collisions


  • Hub – if the central hub fails, the network will not work
  • Cost – more cable required, expensive hub required.
  • Complex – may require a network manager to maintain.
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