Star topology is the most common. This is often a switch, with multiple computers connected through that switch.
A Star network is one of the most common computer network topologies. In its simplest form, a star network consists of one central hub which acts as a conduit to transmit messages. In star topology, every host is connected to a central hub. A star network is an implementation of a spoke–hub distribution paradigm in computer networks.
The hub and hosts, and the transmission lines between them, form a graph with the topology of a star. …