bus topology

Alternatively referred to as a line topology, a bus topology is a network setup where each computer and network device are connected to a single cable or backbone. Bus networks are useful in small networks (like those setup in a small offices) and have the advantage of using less cable. Their main disadvantage is that if any segment of the network fails, all transmissions do as well. Below is a visual example of a simple computer setup on a network using the bus topology.
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