Across
- 3. a device of the network
- 4. a variation of a LAN that uses no physical wires
- 8. a series of connected personal computers
- 9. a network configuration that allows selected outside organizations to access internal information systems
- 12. a device that uses coaxial cables to send and receive data
- 15. a computer that handles request for data, e-mail, files transfers, and other network services from other computer
- 16. high-end programs designed to provide network control and include special functions for connecting computers and other devices into the network
- 17. an ISP that provides connection speeds more than 30 times faster than dial-up connections \
- 19. examine fingerprints, voice patterns, and the retina of the eye
- 22. an internet connection technology that provides for the transfer of information to a computer at a high-speed bandwidth over ordinary copper telephone lines
- 23. the world’s collection of interconnected commercial and government owned voice-oriented systems
- 24. a recent wireless technology that can deliver maximum speeds up to 7 Mbps to your cell phone, home computer, or car. Stands for Worldwide Interoperability for Microwave Access
Down
- 1. link from on computer to another through which data can be transmitted
- 2. a network designed for the exclusive use of computer users within an organization that cannot be accessed by users outsides the organization
- 5. expert computer user who invades someone else’s computer either for personal gain or simply for the satisfaction of being able to do it
- 6. the largest network used as a communication tool
- 7. computer architecture in which all of the computers on a network are equal and there is no computer designated as the server.
- 10. a device that directs traffic on a network by dividing data into smaller packets that travel by different routers and then are reassembled at their destination
- 11. a sever that acts as an intermediary between a user and the internet
- 13. 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
- 14. a combination of hardware and software that creates a buffer between an internal network and the internet to prevent unauthorized access
- 18. 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
- 20. a computer that uses the services of another program
- 21. communications hardware devices that facilitates the transmission of data
- 24. computer network that covers a large geographical area. Most WANs are made up of several connected LANs