Lesson 24 Vocabulary
Across
- 4. A type of fiber-optic telephone line that can transmit up to 1.544 megabits per second.
- 5. network Software architectural model relationship.
- 8. Small, simple, inexpensive device that joins multiple computers together
- 9. Similar to an intranet, but allows specific users outside of the organization to access internal information systems.
- 15. Provides connection speeds more than 30 times faster than dial-up connections.
- 17. A device on a network; generally shares resources such as printers, software, and other hardware.
- 18. Internet connection technology that provides for the transfer of information to a computer at high-speed bandwidth over ordinary copper telephone lines.
- 19. Network World's collection of interconnected commercial and government-owned voice-oriented systems.
- 23. Connects personal computers, workstations, and other devices such as printers and scanners in a limited geographical area.
- 24. Connects two or more LANS to form a WAN.
- 25. A recent wireless technology that can deliver maximum speeds of up to 7 Mbps to your cell phone, home computer, or car.
Down
- 1. Worldwide system composed of thousands of smaller networks.
- 2. A network in which all the computers are equal; no computer is designated as the server.
- 3. Method of high-level security that examines a fingerprint, voice pattern, or the iris or retina of the eye and matches it with the original entry in the system.
- 6. Acts as an intermediary between a user and the Internet to ensure security, administrative control, and caching service.
- 7. A network designed for the exclusive use of people within an organization.
- 8. Person who breaks into computer systems to steal services and information.
- 10. Uses coaxial cable to send and receive data.
- 11. such as a mail server, a database server, an FTP server, an application server, or a Web server.
- 12. A variation of a LAN that uses no physical wires.
- 13. High-end program designed to provide network control that includes special functions for connecting computers and other devices into a network.
- 14. A software program such as Internet Explorer.
- 16. Can include telephone systems, fiber optics, satellites, microwaves, or any combination of these.
- 20. Covers a large geographical area and can contain communication links across metropolitan, regional, or national boundaries.
- 21. Special hardware and software that protect individual companies' networks from external networks.
- 22. Device that enables a computer to transmit voice data over telephone lines.