Star topology is the most popular way to connect a computer in a workgroup. It is expensive due to the cost of the hub. Star topology uses a lot of cables, which makes it the most costly network to set up as you also have to trunk to keep the cables out of harm.
Every computer requires a separate cable to form the network. A standard cable used in Star Network is the UTP or the unshielded twisted pair cable. Another universal cable used is the RJ45 or the Ethernet cables. Star networks transmit data across the central hub between network nodes.
A network topology defines the physical connections of hosts in a computer network. With the mesh topology, every computer connects to every other computer. No central connecting device is needed. Since every computer connects to every other computer, it requires the most cabling, which increases the cost.
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