What is a Network Topology, Computer & Networking Basics for Beginners | Computer Technology Course

Описание: What is a Network Topology, Computer & Networking Basics for Beginners, Computer Technology Course.

A network topology is 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 actualgeometric layout of workstations. There are several common physical
topologies, as described below.
Bus network topology:
In the bus network topology, every workstation is connected to a main cable called the bus. Therefore, in effect, each workstation is directly connected to every other workstation in the network.
Star network topology:
In the star network topology, there is a central computer or server to which all the workstations are directly connected. Every workstation is indirectly connected to every other through the central computer.
Ring network topology:
In the ring network topology, the workstations are connected in a closed loop configuration. Adjacent pairs of workstations are directly connected. Other pairs of workstations are indirectly connected, the data passing through one or more intermediate nodes.If a Token Ring protocol is used in a star or ring topology, the signal travels in only one direction, carried by a so-called token from node to node.

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