There are many network topologies available:
 | Star - uses a hub |
| Tree - uses a hub |
| Bus - does not use a hub |
| Ring - does not use a hub |
To allow the Star and Tree network topologies to work properly, each computer must be able to send data packets to any other computer on the network.
The network 'Hub' allows computers to share data packets within a network.
Each computer will be connected to a single 'port' on the hub. So if you purchase an '8 port hub', you will be able to connect up to eight computers together.
You can also 'daisy chain' hubs to allow even more computers to join the network.
However there is a problem with doing this - see 'Switches' for more details.
Typical network making use of a hub:
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