lesson 24

6. computer configuration in which one or more computers on the network acts as a server.
7. a device that uses coaxial cable to send and receive data.
8. computer architecture in which all of the computers on a network are equal and there is no computer designated as the server.
13. the world’s collection of interconnected commercial and government-owned voice-oriented systems.
15. a variation of a LAN that uses no physical waves.
16. a combination of hardware and software that creates a buffer between an internal network and Internet to prevent unauthorized access.
17. 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.
18. secure program measurements that use biological features to identify the user.
21. the largest network used as a communication tool.
23. 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.
24. a recent wireless technology that can deliver maximum speeds of up to 7 Mbps to your cell phone, home, or car.
25. exert computer user who invades someone else’s computer either for personal gain or simply for the satisfaction of being able to do it.
26. a device on the network.

1. an ISP that provides connection speeds more than 30 times faster than dial-up connections.
2. communications hardware device that facilitates the transmission of data.
3. High-end programs designed to provide network control and include special functions for connecting computers and other devices into a network.
4. a server that acts as an intermediary between a user and the Internet.
5. a series of connected personal computers, workstations, and other devices, within a confined space.
9. a computer that uses the services of another program.
10. an Internet connection technology that provides for the transfer of information to a computer at a high-speed bandwidth over ordinary copper telephone lines.
11. a network configuration that allows selected outside organizations to access internal information systems.
12. link from one computer to another through which data can be transmitted.
14. computer network that covers a large geographical area.
19. a computer that handles requests for data and other network services from other computers.
20. a network designed for the exclusive use of computer users within an organization that cannot be accessed by users outside the organization.
22. 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.