Lesson 24 Network Fundamentals

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Across
  1. 1. A computer that uses the services of another program.
  2. 3. Communications hardware device that facilitates the transmission of data.
  3. 4. A combination of hardware and software that creates a buffer between an internal network and the Internet to prevent unauthorized access.
  4. 5. The largest network used as a communication tool.
  5. 7. A network designed for the exclusive use computer users within an organization that cannot be accessed by users outside the organization.
  6. 9. A network configuration that allows selected outside organizations to access internal information systems.
  7. 10. The world's collection of interconnected commercial and government owned voice-orientated systems.
  8. 16. A device that uses coaxial cable to send and receive data.
  9. 17. Computer architecture in which all of the computers on a network are equal and there is no computer designated as the server.
  10. 20. Computer configuration in which one or more computers on the network acts as a server.
  11. 21. An Internet connection that transfers information to computers through copper telephone lines.
  12. 22. A computer that handles requests for data,e-mail, file transfers, and other network services.
  13. 23. A server that acts as an intermediary between a user and the Internet.
  14. 24. A recent wireless technology that can deliver maximum speeds of up to 7 Mbps to your cell phone.
  15. 25. A junction where information arrives from connected computers or other devices then forwarded to other devices and computers.
Down
  1. 1. Link from one computer to another through which data can be transmitted.
  2. 2. An ISP that provides connection speeds more than 30 times faster than dial up connections.
  3. 6. A series of connected personal computers and peripherals within a confined workspace.
  4. 8. Computer network that covers a large geographical area.
  5. 11. security that uses fingerprints,voice patterns and iris or retina identification.
  6. 12. High- end programs designed to provide network control and include special functions for connecting computers and other devices into a network.
  7. 13. a type of fiber optic telephone line that can transmit data.
  8. 14. Expert computer user who invades someone else's computer either for personal gain or satisfaction.
  9. 15. A variation of a LAN that uses no physical wires.
  10. 18. a device that directs traffic on a network by dividing data.
  11. 19. A device on the network.