The star netwrok
star
The star network is were the hub is based in the middle and can pass the data to all the computers even if the connection is lost between one computer.
Advantages
very reliable – if one cable or device fails then all the others will continue to work
high performing as no data collisions can occur
Disadvantages
expensive to install as this type of network uses the most cable (network cable is expensive)
extra hardware required (hubs or switches) which adds to cost
if a hub or switch fails all the devices connected to it will have no network connection