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Network structure

Networks are usually classified using three properties: Topology, Protocol, and Architecture. Topology specifies the geometric arrangement of the network. Common topologies are a bus, ring, and star. A bus topology means that each computer on the network is attached to a common central cable, called a bus or backbone. This is a rather simple network to set up. Ethernets use this topology. A ring topology means that each computer is connected to two others, and they arranged in a ring shape. These are difficult to set up, but offer high bandwidth. A star topology means all computers on the network are connected to a central hub. These are easy to set up, but bottlenecks can occur because all data must
pass through the hub.

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