Computer Networks y7 flashacrds

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What is a Local Area Network (LAN)?

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A network of computers connected together in a limited geographical area, usually the same building or nearby buildings. LANs are usually high speed and use connected peripherals like printers.

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What is a Wide Area Network (WAN)?

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A computer network that joins computers together over longer distances, using the public telephone system, fibre optic cables, satellites, or other means.

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What is a Personal Area Network (PAN)?

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The interconnection of devices in the range of an individual person, typically within 10 meters, using wireless technology. An example is a Bluetooth connection system in a car.

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What is a Virtual Private Network (VPN)?

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A connection method used to add security and privacy to private and public networks, like WiFi Hotspots and the Internet. It replaces the user's initial IP address with one from the VPN provider.

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What is the Internet?

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The largest network in the world, an abbreviation of INTERconnected NETwork. It is the infrastructure of all computers, cables, satellites, etc., invented in 1969.

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What is the World Wide Web (WWW)?

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The part of the Internet containing all of the websites that we can see, invented in 1989.

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What is network topology?

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The way in which the infrastructure (PCs, Printers, Cables, WiFi, etc.) are set up.

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What is star topology?

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Each computer is connected to a switch, and each computer is connected to other computers or the internet via the switch.

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What is mesh topology?

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There is no switch; computers are connected to each other.

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What is a client-server network?

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computers (clients) request resources or services from a central computer (server), which manages and provides those resources.