Lesson 24 vocab

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Across
  1. 2. computer network that covers a large geographical area. Most WANs are made up of several connected LANs
  2. 3. link from one computer to another through which data can be transmitted
  3. 4. a network designed for the exclusive use of computer users within an organization that cannot be accessed by users outside the organization
  4. 6. a type of fiber-optic telephone line that can transmit up to 1.533 megabits per second or can be used to transmit 24 digitized voice channels
  5. 7. computer configuration in which one or more computers on the network acts as a server
  6. 8. the world's collection of interconnected commercial and government-owned voice-oriented system
  7. 12. a computer that handles request for data, e-mail, file transfers, and network services from other computers (clients).
  8. 13. a network configuration that allows selected outside organizations to access internal information systems
  9. 18. a recent wireless technology that can deliver maximum speeds of up to 7 Mbps to your cell phone, home computer, or car. Stands for Worldwide Interoperability for Microwave Access
  10. 21. examine a fingerprint
  11. 22. 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
  12. 24. high-end programs designed to provide network control and include special functions for connecting computers and other devices into a network
Down
  1. 1. a device on the network
  2. 2. an ISP that provides connection speeds more than 30 times faster than dial-up connections- from 384 Kbps to 2.0 Mbps
  3. 5. a computer that uses the services of another program
  4. 8. computer architecture in which all of the computers on a network are equal and there is no computer designated as the server
  5. 9. a device that uses coaxial cable to send and receive data
  6. 10. expert computer user who invades someone else's computer either for personal gain or simply for the satisfaction of being able to do it
  7. 11. 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
  8. 14. an internet connection technology that provides for the transfer of information to a computer at a high-speed bandwidth over ordinary copper telephone lines
  9. 15. a series of connected personal computers, workstations, and other devices, such as printers or scanners, within a confined space, such as an office building.
  10. 16. the largest network used as a communication
  11. 17. a variation of a lan that uses no physical wires
  12. 19. a server that acts as an intermediary between a user and the internet
  13. 20. a combination of hardware and software that creates a buffer between an internal network and and the software to prevent unauthorized access
  14. 23. communications hardware device that facilitates the transmission of data