Vocab words

1) Biometric Security Measures- used as a form of identity access management and access control. 2) Cable Modem- A type of modem that allows people to access the Internet via their cable television service.  3) Client - a workstation on a network that gains access to central data files, programs, and devices through a server. 4) Client/ Server Network - something that stores it's data in a central location and not just individual computers. 5) Communication Channels - transmits messages 6) Digital Subscriber Line (DSL) - designed to allow high speed data communication over the telephone lines between end-users and telephone companies.  7) Extranet -  modified to allow outsiders access to it, especially one belonging to a business that allows access to customers. 8) Firewall - A software program designed to protect a network by preventingunauthorized users from gaining access or by monitoring transfers of information to and from the network.  9) Hacker - one who through a personal computer breaks into the computer system of a company or government. 10) Hub - a device for connecting computers in a network. 11) Internet - a vast computer network linking smaller computer networks worldwide. 12) Intranet - a computer network with restricted access 13) Local Area Conector (LAN) -  the small networks to which many business and home-computer users initially connect. 14) Modem - a device for connecting two computers by a telephone line. 15) Node - an interconnection point on a computer network. 16) Peer-Peer Network - when two or more PCs share files and access to devices like printers without requiring a separate server computer or server software. 17) Proxy Server - a process that intercepts requests from a client, passesthem to an origin server and returns the response to the client. 18) Public Switched Telephone Network (PSTN) - The collection of interconnected systems operated by the many telephone companies and administrations around the world. 19) Router -  a device that allows packets of data to be moved between two points on a network. 20) Server -  a computer or program that supplies data orresources to other machines on a network. 21) Server Operating System - keeps track of which servers are currently alive. 22) T-1 Line - it can carry more data than traditional telephone lines. 23) Wide area Network (WAN) - a computer network that expands across a large geographical area. 24) WiMax - provides fixed and mobile Internet access. 25) Wireless Internet Service Provider(WISP) - Internet service providers with networks built around wireless networking. 26) Wireless LAN (WLAN) - when a mobile user can connect to a local area network (LAN) through a wireless connection.