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A computer network is a group of computers linked to each other that enables the computer to communicate with another computer and share their resources, data, and applications. A computer network can be categorized by their size. A computer network is mainly of four types :. It is a low range network. Extranet: An extranet is a communication network based on the internet protocol such as Transmission Control protocol and internet protocol.

When the data transmission can be done in between two or more computers using a communication medium like cables or wires, then it is called as a computer network. Similarly, when the data transmission can be done in between two or more mobile devices using cables or wires then it is known as a mobile network. This article discusses an overview of network technology. Definition: The technology which is used to exchange the data between small and large information. This technology can be used in educational institutions as well as businesses. When a network is installed, then the technicians are accountable for the network operation by providing technical support to employees in the organization from any issues. The classification of network technology can be done based on transmission and scale.

## Types of Network Topology

A network topology refers to the way in which nodes in a network are connected to one another. The network structure defines how they communicate. Each kind of arrangement of the network nodes has its own advantages and disadvantages. Here we tell you about the same. Network topologies describe the ways in which the elements of a network are connected. They describe the physical and logical arrangement of network nodes.

There are 6 types of network topology — Bus topology, Ring topology, Star topology, Mesh topology, Tree topology and Hybrid topology. Read: Line Configuration in Computer Networks. In a computer network , there are 6 different types of network topology. Those are mentioned below:. Bus topology is a network, in which all the computer nodes and network system are connected to a single transmission channel. Linear Bus topology : when it has exactly two endpoints.

Topology is derived from two Greek words topo and logy, where topo means 'place' and logy means 'study'. In computer networks, a topology is used to explain how a network is physically connected and the logical flow of information in the network. A topology mainly describes how devices are connected and interact with each other using communication links. Network topology defines the layout, virtual shape, or structure of the network, not only physically but also logically. A network can have one physical topology and multiple logical topologies at the same time.

Network topologies describe the methods in which all the elements of a network are mapped. The topology term refers to both the physical and logical layout of a network. In this network topology tutorial, we will explain: What is Topology? Types of Networking Topologies Two main types of networking topologies are 1 Physical topology 2 Logical topology Physical topology: This type of network is an actual layout of the computer cables and other network devices Logical topology: Logical topology gives insight's about network's physical design.

Topology defines the structure of the network of how all the components are interconnected to each other. There are two types of topology: physical and logical topology. CSMA: It is a media access control used to control the data flow so that data integrity is maintained, i. There are two alternative ways of handling the problems that occur when two nodes send the messages simultaneously. Reliable: The mesh topology networks are very reliable as if any link breakdown will not affect the communication between connected computers.

Network Topology is the schematic description of a network arrangement, connecting various nodes sender and receiver through lines of connection. Bus topology is a network type in which every computer and network device is connected to single cable. When it has exactly two endpoints, then it is called Linear Bus topology.

Network topology is the description of the arrangement of nodes e. No matter how identical two organizations are, no two networks are exactly alike. However, many organizations are relying on well-established network topology models. Network topologies outline how devices are connected together and how data is transmitted from one node to another. A logical network topology is a conceptual representation of how devices operate at particular layers of abstraction. A physical topology details how devices are physically connected.

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