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Network topologies - star, bus, ring, mesh (star topology (pros and cons…

- - - - in wired networks, every device needs a cable to connect to the central switch or server. this can be expensive.
      - if there is a problem with the switch or server then the whole network is affected.
    - - if a device fails or a cable is disconnected the rest of the network isn't affected.
      - it's simple to add more devices to the network .
      - better performance than other setups - data goes straight to the central device so all devices can transmit data at the same time and there are few data collisions.
- - - - they're expensive in the wired network form.
    - - the network can't fail since if one device fails the data is sent along a different route to get to its target.