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A network switch (also called switching hub, bridging hub, officially MAC bridge) is a computer networking device that connects devices together on a computer network by using packet switching to receive, process, and forward data to the destination device.

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the gateway is the computer that routes the traffic from a workstation to the outside network that is serving the Web pages. In homes, the gateway is the ISP that connects the user to the internet. In enterprises, the gateway node often acts as a proxy server and a firewall.

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In computer networking, a wireless access point, or more generally just access point, is a networking hardware device that allows a Wi-Fi device to connect to a wired network. The AP usually connects to a router as a standalone device, but it can also be an integral component of the router itself.

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When referring to a network, a hub is the most basic networking device that connects multiple computersor other network devices together. Unlike a network switch or router, a network hub has no routing tables or intelligence on where to send information and broadcasts all network data across each connection.

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A network device used to regenerate or replicate a signal. Repeaters are used in transmission systems to regenerate analog or digital signals distorted by transmission loss. Analog repeaters frequently can only amplify the signal while digital repeaters can reconstruct a signal to near its original quality.

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The Internet is not synonymous with World Wide Web. The Internet is a massive network of networks, a networking infrastructure. It connects millions of computers together globally, forming a network in which any computer can communicate with any other computer as long as they are both connected to the Internet.

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URL is the abbreviation of Uniform Resource Locator and is defined as the global address of documents and other resources on the World Wide Web. ... A URL is one type of Uniform Resource Identifier (URL); the generic term for all types of names and addresses that refer to objects on the World Wide Web.

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Wi-Fi is defined as an abbreviation for wireless fidelity,meaning you can access or connect to a network using radio waves, without needing to use wires. An example of Wi-Fi is when you go to Starbucks and can join on their network to get on the Internet without having to connect your computer to any wires.

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firewall is a system designed to prevent unauthorized access to or from a private network. You can implement a firewall in either hardware or software form, or a combination of both. Firewalls prevent unauthorized internet users from accessing private networks connected to the internet, especially intranets.

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A bridge is a type of computer network device that provides interconnection with other bridge networks that use the same protocol. Bridge devices work at the data link layer of the Open System Interconnect (OSI) model, connecting two different networks together and providing communication between them.

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Telnet. A terminal emulation protocol used on the Internet and TCP/IP-based networks. A Telnet program allows a user at a terminal or PC to log in to a remote computer and run a program and execute other Unix commands.

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router is a networking device that forwards data packets between computer networks. Routers perform the traffic directing functions on the Internet. ... A packet is typically forwarded from one router to another router through the networks that constitute an internetwork until it reaches its destination node.

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Gopher was an Internet application in which hierarchically-organized text files could be brought from servers all over the world to a viewer on your computer. ... Gopher was developed at the University of Minnesota, whose sports teams are called "the Golden Gophers."

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Internet Protocol address (IP address) is a numerical label assigned to each device connected to a computer network that uses the Internet Protocol for communication. An IP address serves two principal functions: host or network interface identification and location addressing.

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Latency is the amount of time a message takes to traverse a system. In a computer network, it is an expression of how much time it takes for a packet of data to get from one designated point to another. It is sometimes measured as the time required for a packet to be returned to its sender.

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, a file server (or file server) is a computer attached to a network that provides a location for shared disk access, i.e. shared storage of computer files (such as text, image, sound, video) that can be accessed by the workstations that are able to reach the computer that shares the access

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application server is a software framework that provides both facilities to create web applications and a server environment to run them. ... An application server acts as a set of components accessible to the software developer through a standard API defined for the platform itself.

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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.

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Computer Definition. A network structure in the form of a multi point electrical circuit, with multiple branches off the trunk of the central, or root, bus, as illustrated in Figure T-5.The tree topology is a variation of the bus topology and provides only one path between any two nodes.

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Mesh topology is a type of networking where all nodes cooperate to distribute data among st 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.

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Bus topology is a specific kind of network topology in which all of the various devices in the network are connected to a single cable or line. In general, the term refers to how various devices are set up in a network.

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A ring network is a network topology in which each node connects to exactly two other nodes, forming a single continuous pathway for signals through each node - a ring. Data travels from node to node, with each node along the way handling every packet.

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physical topology is the way you physically lay out the network, like a map, and the logical topology is the way the information flows on the network. Usually, the physical and logical topology is the same, but sometimes they can differ, such as in a physical star/logical ring topology.

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computer network and computer science, digitalbandwidth or just bandwidth means the amount of data that can be sent from one point to another in a certain period of time. It is measured as a bit rate expressed in bits per second (bits/s) or multiples of it (kbit/s Mbit/s etc.)

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The File Transfer Protocol is a standard network protocol used for the transfer of computer files between a client and server on a computer network. FTP is built on a client-server model architecture using separate control and data connections between the client and the server.

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Transfer Protocol(FTP) is a standard network protocol used to exchange and manipulate files over a TCP/IP based network, such as the Internet.

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A communication channel or simply channel refers either to a physical transmission medium such as a wire, or to a logical connection over a multiplexed medium such as a radio channel in telecommunications and computer networking.

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Wireless Application Protocol (WAP) is a technical standard for accessing information over a mobile wireless network. A WAP browser is a web browser for mobile devices such as mobile phones that uses the protocol.

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geographic organizational structure is typically found in companies with operations spread over a large region, such as national or international offices. Each location will have its own internal structure and management layers, allowing them to run as a pseudo-independent operation.

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Peer-to-peer computing or networking is a distributed application architecture that partitions tasks or workloads between peers. Peers are equally privileged, equipotent participants in the application. They are said to form a peer-to-peer network of nodes.

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client/server network. A computer network in which one centralized, powerful computer (called the server ) is a hub to which many less powerful personal computers or workstations (called clients ) are connected. The clients run programs and access data that are stored on the server. Compare peer-to-peer network .

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The Transmission Control Protocol is one of the main protocols of the Internet protocol suite. It originated in the initial network implementation in which it complemented the Internet Protocol. Therefore, the entire suite is commonly referred to as TCP/IP.

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A Metropolitan Area Network is a computer network that interconnects users with computer resources in a geographic area or region larger than that covered by even a large local area network but smaller than the area covered by a wide area network.

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Neighborhood Area Network (NAN)          

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Neighborhood Area Network (NAN)          

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A neighborhood area network (NAN) is an offshoot of Wi-Fi hot spots and wireless local area networks (WLAN), which enable users to connect to the Internet quickly and at very little expense. A NAN is generally installed by an individual to serve a family or a number of neighbors.

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local area network (LAN) is a computer network that interconnects computers within a limited area such as a residence, school, laboratory, or office building. A local area network is contrasted in principle to a wide area network (WAN), which covers a larger geographic distance and may involve leased telecommunication circuits, while the media for LANs are locally managed.

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A wide area network is a telecommunications network or computer network that extends over a large geographical distance/place. Wide area networks are often established with leased telecommunication circuits.

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A personal area network (PAN) is a computer network for interconnecting devices centered on an individual person's work space. A PAN provides data transmission among devices such as computers, smartphones, tablets and personal digital assistants.