Ch. 24 Vocab

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Across
  1. 3. A technique or device that examines s fingerprint, voice pattern, or the iris or retina of the eye
  2. 5. A series of connected personal computers, workstations, and other devices, such as printers or scanners, within a confined space, such as an office building
  3. 6. A variation of a LAN that uses no physical wires
  4. 9. Computer architecture in which all of the computers on a network are equal and there is no computer designated as the server
  5. 12. The world's collection of interconnected commercial and government-owned voiceoriented systems
  6. 15. A device that uses coaxial cable to send and recive data
  7. 16. A combination of hardware and software that creates a buffer between an internal network and the Internet to prevent unauthorized access
  8. 18. An internet connection technology that provides for the transfer of information to computer at a high speed bandwidth over ordinary copper telephone lines
  9. 19. Expert computer user who invades someone else's computer either for personal gain or simply for the satisfaction of being able to do it
  10. 21. A server that acts as an intermediary between the user and the internet
  11. 24. High-end programs designed to provide the network control and include special functions for connecting computers and other devices into a network
  12. 25. Communications hardware device that facilitates the transmission of data
Down
  1. 1. A network designed for the exclusive use of computer users within an organization that cannot be accessed by users outside the organization
  2. 2. An ISP that provides connection speeds more than 30 times faster than dial up connections
  3. 4. A device that directs traffic on a network by dividing data into smaller packets that travel by different routs and then are reassembled at their destination
  4. 7. A computer that handles requests for data,e-mail,file transfers, and other network services from other computers
  5. 8. The largest network used as a communication tool
  6. 10. Computer network that covers a large geographical area. Most WNAs are made up of several connected LANs
  7. 11. A recent wireless technology that can deliver max. speeds of up to 7 Mbps to your cell phone, home computer, or car.
  8. 13. A junction where information arrives from connected computers or peripheral devices and is then forwarded in one or more directions to other computers and devices
  9. 14. A type of fiber-optic telephone line that can transmit up to 1.544 megabits per second or can be used to transmit 24 digitized voice channels
  10. 15. Computer configuration in which one or more computers on the network acts as a server
  11. 17. A computer that uses the services of another program
  12. 20. A network configuration that allows selected outside organizations to access internal information systems
  13. 22. channels Link from one computer to another through which data can be transmitted
  14. 23. A device on the network