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...Network topology a is the arrangement of includes nodes and connecting lines it can be defined in two ways physical logical there are seven types topologies they point to bus star ring mesh tree hybrid computer geometric representation how computers connected each other known as importance plays crucial role performance helps reduce operational maintenance costs such cabling factor determining media type used cable error or fault detection made easy using device every on through dedicated link when we say means that only carries data for devices lets have n then must with number links would advanatges no traffic issues between which available those reliable robust failure one doesn t affect communication secure because thus unauthorized access not possible...