lesson 24 vocab

5. Covers a large geographical area and can contain communication links across metropolitan, regional, or national boundaries.
6. Provides connection speeds more than 30 times faster than dial-up connections.
7. channels Can include telephone systems, fiber optics, satellites, microwaves, or any combination of these.
9. software program such as Internet Explorer.
11. Similar to an intranet, but allows specific users outside of the organization to access internal information systems.
14. A network in which all the computers are equal; no computer is designated as the server.
19. A variation of a LAN that uses no physical wires.
20. High-end program designed to provide network control that includes special functions for connecting computers and other devices into a network.
21. Special hardware and software that protect individual companies' networks from external networks.
23. Network (PSTN) World's collection of interconnected commercial and government-owned voice-oriented systems.
25. A device on a network; generally shares resources such as printers, software, and other hardware.
26. Device that enables a computer to transmit voice data over telephone lines.

1. network Software architectural model relationship.
2. 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.
3. Internet connection technology that provides for the transfer of information to a computer at high-speed bandwidth over ordinary copper telephone lines.
4. network (LAN) Connects personal computers, workstations, and other devices such as printers and scanners in a limited geographical area.
8. modem Uses coaxial cable to send and receive data.
10. Worldwide system composed of thousands of smaller networks.
12. Connects two or more LANS to form a WAN.
13. server Acts as an intermediary between a user and the Internet to ensure security, administrative control, and caching service.
15. A network designed for the exclusive use of people within an organization.
16. Hardware such as a mail server, a database server, an FTP server, an application server, or a Web server.
17. A type of fiber-optic telephone line that can transmit up to 1.544 megabits per second.
18. A recent wireless technology that can deliver maximum speeds of up to 7 Mbps to your cell phone, home computer, or car.
22. Small, simple, inexpensive device that joins multiple computers together.
24. Person who breaks into computer systems to steal services and information.