Question

What is a combination of bus topology and star topology?

Answer 1

A star bus network is a combination of a star topology (like most Ethernet switches today) and a bus network, as in the older networks that ran over twinax or coax. In the case of star bus, there is a hub in the center that connects the nodes.

Answer 2

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A bus topology is a topology for a Local Area Network (LAN) in which all the nodes are connected to a single cable. The cable to which the nodes connect is called a "backbone". If the backbone is broken, the entire segment fails. ... The bus topology is e.g. used by Ethernet networks.