Computer networks and topologies

Similar to telephone wire, noise problems prevented it from being accepted more quickly. Most modern operating systems can operate as servers or as clients, greying the distinction in the server architecture.

By coordinating all data and applications through a single network, backup copies of data for all systems can be made more consistently than could be expected if left to individual users.

Nodes - It is a connect point where either data transmission ends or redistribution of data starts. Various types of cables exist for this purpose; as with most hardware, their price is related to their performance.

The easiest Star topology to install is hailed for its simplicity to add more nodes but criticized for making hub the single point of failure. Networks may also be open, or linked to other networks, or closed, which means they are self-contained and do not allow connectivity with outside resources.

Wireless network pathways include computer networks that use wireless data connections for connecting endpoints. Nodes are connected with the help of twisted pair, coaxial cable or optical fiber.

Diagram of a Basic Computer Network. Cable - Transmission medium of copper wire or optical fiber wrapped in a protective cover.

Types of Networking Topologies

Functions of network software include file transfer and real-time messaging, automatic formatting of e-mail, and creating directories and unique addresses for each node.

Multi-layer switches are capable of routing based on layer 3 addressing or additional logical levels. Mesh Network Topology The exponent of the number of subscribers is proportionate to the value of the fully meshed networks.

This was last updated in December Continue Reading About computer network. On a large scale, you can connect multiple LANs using mesh topology with leased telephone lines, Thicknet coaxial cable or fiber optic cable. As it is shielded and resistant to electrical noise, it has proven useful in factory situations.

In wired networks, this may consist of optical fibercoaxial cable or copper wires in the form of a twisted pair. It can select the best path to route a message, as well as translate information from one network to another.

A link segment is a cable that connects a computer to an interconnecting device, such as a repeater or concentrator, or connects a interconnecting device to another interconnecting device.

This topology allows easy error detection and correction. Network interfaces[ edit ] An ATM network interface in the form of an accessory card.A Network Topology is the arrangement with which computer systems or network devices are connected to each other.

Topologies may define both physical and logical aspect of the network. Both logical and physical topologies could be same or different in a same network.

Computer Network Topology and their Types

Point-to-point networks. Computer Network Topologies and Their Types. Network Topologies – A Topology define the arrangement of nodes, cables and connectivity devices that makeup the network.

In order words can say topology is the geometric arrangement of workstation and the links among them.

Computer network

1 Computer Networks A group of two or more computer systems linked together. There are many [types] of computer networks: Peer To Peer (workgroups) The computers are connected by a network, however, there is NOT a Server present. A computer network is a group of computers that are connected to each other for the purpose of communication.

It is a combination of hardware and software resources which allows computers to communicate with many computers and share information between computing devices.

Network topology

BUS Topology. 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. Features of Bus Topology. Two basic categories of network topologies exist, physical topologies and logical topologies.

The transmission medium layout used to link devices is the physical topology of the network. For conductive or fiber optical mediums, this refers to the layout of cabling, the locations of nodes, and the links between the nodes and the cabling.

The physical topology of a network is determined by the.

Computer networks and topologies
Rated 5/5 based on 38 review