Across
- 1. Acts like a switchboard through a firewall.
- 2. Examine a fingerprint, a voice pattern, or the iris or retina of an eye.
- 4. High-end programs designed to provide network control and include special functions for connecting computers and other devices.
- 5. An acronym for modulate-demodulate, which means to convert analog signals to digital and vice versa.
- 8. A software program such as Internet Explorer.
- 10. Describes a software architectural model relationship.
- 11. These connect personal computers, workstations, and other devices such as printers and scanners in limited geographical area.
- 12. A recent wireless technology that can deliver maximum speeds for up to 7 Mbps to your cell phone.
- 13. Provide connection speeds more that 30 times faster than dial-up connections.
- 19. This is similar to an intranet, but it allows specific users outside of the organization to access internal information systems.
- 20. A small, simple, inexpensive device that joins multiple computers together.
- 21. 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.
- 23. An Internet connection technology that provides for the transfer of information to a computer at a high-speed bandwidth over ordinary copper telephone lines.
- 25. Special hardware and software, protect individual companies' networks from external networks.
Down
- 1. This supports telephone services and is the world's collection of interconnected commercial and government-owned voice-oriented systems.
- 3. Uses coaxial cable to send and receive data.
- 6. These cover a large geographical are and can contain communication links across metropolitan, regional, or national boundaries.
- 7. When all of the computers are equal.
- 9. People who break into computer systems to steal services and information.
- 14. This is designed for the exclusive use of people within an organization.
- 15. Hardware and can be one of many types of servers.
- 16. Each device on the network is referred to as this.
- 17. Most WAN's consist of two or more LAN's and are connected by this.
- 18. These can include telephone systems, fiber optics, satellites, microwaves, or any other combination of these.
- 22. A variation of the LAN that uses no physical wires.
- 24. A worldwide system compounded of thousands of smaller networks.