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25 Cards in this Set
- Front
- Back
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Biometric Security Measures
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A technique or device that examines a fingerprint, voice, pattern, or the iris or retna of the eye.
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Cable Modem
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A device that uses coaxial cable to send and recieve data.
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Client
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A computer that uses the services of another program.
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Client/Server Network
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Computer configuration in which one or more computers on the network acts as a server.
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Communication Channels
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Link from one computer to another through which data can be transmitted.
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Digital Subscriber Line
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An internet connection technology that provides for the transfer of information to a computer at a high-speed bandwidth over ordinary copper telephone lines.
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Extranet
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A network configuration that allows selected outside organizations to access internal information systems.
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Firewall
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A combination of hardware and software that creates a buffer between an internal and the internet to prevent unathorized access.
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Hacker
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Expert computer user who invades someone elses computer either for personal gain or simply for the satisfaction of being able to do it.
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Hub
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A junction where information arrives from connected computers or peripheral devices and is then forwarded in one of more directions to other computers andd devices.
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Internet
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The largest network used as a communication tool.
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Intranet
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A network designed for the exclusive use of computer users within an organization that cannot be accessed by users outside the organization.
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Local Area Network (LAN)
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A series of connected personal computers, workstations, and other devices, such as printers, or scanners, within a confined space, such as an office building.
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Modem
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Communication hardware device that facillitates the transmission of data.
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Node
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A device on the network.
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Peer-to-Peer Network
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Computer architecture in which all of the computers on a network are equal and there is no computer designed as the server.
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Proxy Server
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A server that acts as an intermediary between a user and the internet.
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Public Switched Telephone Network (PSTN)
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The world's collection of interconnected commercial and government-owned voice oriented sytems.
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Router
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A device that directs traffic on a network by dividing data into smaller packets that travel by differnet routes and then are reassmbled at their destination.
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Server
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A computer that handles request for data, file transfers, and other network services from other computers.
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Server Operating System
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High-end programs designed to provide network control and include special functions for connectiong computers and other devices into a network.
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T-1 Line
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A type of fiber-optic telephone line that can transmit up to 1.544 megabits per second or can be used to transmit 24 digitalized voice channels.
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Wide Area Network (WAN)
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Computer newtork that covers a large geographical area. Most WANs are made up of serveral connected LANs.
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MIMAX
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A recent wireless technology that can be deliver a maximum speeds of up to 7Mbps to your cell phone, home computer, or car.
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Wireless Internet Service Provider
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An ISP that provides connection speeds more than 30 times faster than dial up connection from 384 Kbps to 2.0 Mbps.
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