# Bus and Ring Topology

May 7th, 2015
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Network topology is the arrangement of the various elements (links, nodes, etc.) of a computer or biological network. Essentially, it is the topological structure of a network, and may be depicted physically or logically. Physical topology refers to the placement of the network's various components, including device location and cable installation, while logical topology shows how data flows within a network, regardless of its physical design.

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Bus and Ring Topology-------------------------------------------------Network topologyNetwork topologyis the arrangement of the various elements (links,nodes, etc.) of a computerorbiological network.Essentially, it is thetopologicalstructure of a network, and may be depicted physically or logically.Physicaltopology refers to the placement of the network's various components, including device location and cable installation, whilelogical topologyshows how data flows within a network, regardless of its physical design. Distances between nodes, physical interconnections, transmission rates, and/or signal types may differ between two networks, yet their topologies may be identical. A good example is alocal area network(LAN): Any given node in the LAN has one or more physical links to other devices in the network; graphically mapping these links results in a geometric shape that can be used to describe the physical topology of the network. Conversely, mapping the data flow between the components determines the logical topology of the network. -------------------------------------------------TopologyThere are two basic categories of network topologies: 1. Physical topologies2. Logical topologiesThe shape of the cabling layout used to link devices is called the physical topology of the network. This refers to the layout ofcabling, the locations of nodes, and the interconnections between the nodes and the cabling.[1]The physical topology of

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