In a star topology all nodes connect to one central device. That device may be a file server, or a network hub. When the node wants to transmit to another node, the communication is managed by , and transmitted through, the central device, which contains the communication software.
Advantage
It is easy to determine the source of a network problem, such as a cable failure.
Disadvantage
The main disadvantage is the central device; if the central device is not working the entire network is down. Another disadvantage is adding computers can be costly.
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