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The physical topology of a network refers to the configuration of cables, computers, and other peripherals. Physical topology should not be confused with logical topology which is the method used to pass information between workstations.

In communication networks, a topology is a usually schematic description of the arrangement of a network, including its nodes and connecting lines. There are two ways of defining network geometry: the physical topology and the logical (or signal) topology.

The physical topology of a network is the actual geometric layout of workstations.

above tropologies are described below

  1. Bus - Both ends of the network must be terminated with a terminator. A barrel connector can be used to extend it.
  2. Star - All devices revolve around a central hub, which is what controls the network communications, and can communicate with other hubs. Range limits are about 100 meters from the hub.
  3. Ring - Devices are connected from one to another, as in a ring. A data token is used to grant permission for each computer to communicate.
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