What is a topology? Explain the different types of topologies used in computer network.
Answers
Answer:
Network topology is the arrangement of the elements of a communication network. Network topology can be used to define or describe the arrangement of various types of telecommunication networks, including command and control radio networks, industrial field buses and computer networks.
There are five types of topology in computer networks:
Mesh Topology.
Mesh topology is a type of networking where all nodes cooperate to distribute data among each other. This topology was originally developed 30+ years ago for military applications, but today, they are typically used for things like home automation, smart HVAC control, and smart buildings.
Star Topology.
A star topology is a topology for a Local Area Network (LAN) in which all nodes are individually connected to a central connection point, like a hub or a switch. A star takes more cable than e.g. a bus, but the benefit is that if a cable fails, only one node will be brought down.
Bus Topology.
A bus topology is a topology for a Local Area Network (LAN) in which all the nodes are connected to a single cable. The cable to which the nodes connect is called a "backbone". If the backbone is broken, the entire segment fails.
Ring Topology.
A ring topology is a network configuration in which device connections create a circular data path. Each networked device is connected to two others, like points on a circle. Together, devices in a ring topology are referred to as a ring network.
Hybrid Topology.
A hybrid topology uses a combination of two or more topologies. Hybrid networks provide a lot of flexibility, and as a result, they have become the most widely used type of topology. Common examples are star ring networks and star bus networks. Tree topology is one specific example of a star bus network.
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Answer:
the physical and logical arrangement of nodes and connections in a network.
Explanation:
- Point to Point (P2P):the simplest network topology there is.This technique uses a network made up of just two computers connected directly to one another.
- Bus Topology:All of the included nodes are connected by a single cable.The network's spine is formed by the main cable.The network's server computer is one of the other machines.A linear bus topology is one that has two terminals.
- Ring Topology:Every gadget has an exact pair of neighbors for communication.Given that it has a ring-like configuration, it is known as a ring topology.Every computer in this topology is linked to every other computer.In this case, a first node and the last node are joined.
- Star Topology:A hub is used to connect every computer.All other nodes are connected to one cable, which is known as the central node.Due to their low cost and ease of installation, LAN networks are where it is most often used.
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