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40 Cards in this Set
- Front
- Back
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biometric security measures
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Examine a fingerprint
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cable modem
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A device that uses coaxial cable to send and receive 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 (DSL)
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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 network and the Internet to prevent unauthorized access.
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hacker
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Expert computer user who invades someone else's 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 periphereal devices and is then forwarded in one or more directions to other computer and 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 cannon 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
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modem
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Communications hardware device that facilitates 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 coputers on a network are equal and there is no computer designated 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 commerical and gov't owned voice- oriented systems.
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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 different routes and then are reassembled at their destination
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server
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A computer that handles requests for data
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server operating system
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High-end programs designed to provide network control and include special functions for connecting 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 network that covers a large geographical area. Most WANs are made up of several connected LANs.
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WiMAX
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A recent wireless technology that can deliver maximum speeds of up to 7 mbps to your cell phone
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wireless Internet service provider (WISP)
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An ISP that provides connection speeds more than 30 times faster than dial-up connections-from 384 Kbps to 2.0 Mbps.
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wireless LAN (WLAN)
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A variation of a LAN that uses no physical wires.
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Address Book
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Part of most e-mail programsl used to keep a list of contacts and their e-mail addresses.
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archiving
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Saving or transfering data to a storage device or folder for the purpose of saving space of organizing the data.
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attachment
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A document
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distribution list
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A list of e-mail address you can use to send the same message to a group
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electronic mail (e-mail
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Transmission of electronic messages over networks.
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e-mail address
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an email address identifies an email box which email messages are delivered
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instant messaging
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A form of electronic communication that allows you to send and receive text messages in "real time" from friends and colleagues who are currently online.
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mailing list
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See distribution list.
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packets
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Units of data sent accross a network. When a large block of information is sent
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signature
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Text or graphics added to the end of outgoing e-mail messages.
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spam
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Unsolicited commerical e-mail that is sent to many people at the same time to promote products or services; also called junk e-mail.
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text messaging
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Using a cell phone or other mobile device to send and receive written messages.
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user agent
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A software application installed on the local PC
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Windows Mail
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E-mail software provided with Windows Vista
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