-wireless network: A network which a node has tiny radio or infrared transmitter connected to its network port so it can send and receive data through the air rather than through cables.
-Ethernet: A popular network architecture developed in 1976 at Xerox.
-Wi-Fi: A popular wireless LAN technology that allows multiple computers to connect to a LAN through a base station up to 150 feet away. Often referred to as 802.11 b.
-wireless access point: A communication device, typically connected to a wired network that is used to create a wireless network.
-LAN: local area network: Multiple personal computers connected on a network.
-MAN: metropolitan area network. A service that links two or more LANs within a city.
-WAN: wide area network. a network that extends over a long distance. Each network site is anode on the network.
-node: Each computer and shared peripheral on a local-area connections.
-routers: programs or devices that decide how to route internet transmission.
fiber-optic cable: High-capacity cable that uses light waves to carry information at blinding speeds.
fiber-optic cable: High-capacity cable that uses light waves to carry information at blinding speeds.
-client: Client programs in desktop computers send information requests through a network to server databases on mainframes, minicomputers, or desktop computers; their servers process queries and send their requested data back to the client.
-host: The name of the host computer, network, or ISP address where the user receives email, contained in the part of an Internet email; address that comes after the at sign (@)
server;
| A computer especially designed to provide software and other resources to other computers over a network. |
access:
| Physical proximity to a person, or knowledge about that person, a common theme in privacy discussions. |
access permissions: Features that control access to shared resources in Windows XP Professional.
spam: internet junk mail.
phishing:
| The use of a deceptive email message or Web site to lure a person into divulging credit card numbers or other sensitive information. |
login:
| Connected to a computer system or network. |
password:
| The most common security tools used to restrict access to computer systems |
firewall: a security system consisting of a combination of hardware and software that limits the exposure of a computer or computer network to attack from crackers; commonly used on local area networks that are connected to the internet
VPN:(virtual private network)
| A network that uses encryption software to create secure “tunnels” through the public Internet or between intranets; a method an organization can use to set up an extranet. |
sysadmin: A system administrator, systems administrator, or sysadmin, is a person employed to maintain and operate a computer system and/or network
nodes:
| Each computer and shared peripheral on a local-area network. |
work station:
| A high-end desktop computer with massive computing power, though less expensive than a minicomputer. Workstations are the most powerful of the desktop computers. |
UPS: (uninterrupted power supply).
| A hardware device that protects computers from data loss during power failures. |
EDI: (electronic data interchange).
| A set of specifications for conducting basic business transactions over private networks. |
blogs:
| Short for Web log, a personal Web page that often carries diary-like entries or political commentaries. Blogs are fast proliferating as new software allows users to create Web pages without having to learn the technical details of HTML and Web authoring. |
wiki:
| A Web site that lets anyone with access to a Web browser to modify its pages. The best-known example is Wikipedia. |
asynchronous communication:
| Delayed communication, such as that used for newsgroups and mailing lists, where the sender and the recipients don’t have to be logged in at the same time |
real-time communication: chat room, IM
bps: Internet communication that enables you to communicate with other users who are logged on at the same time.
bps: Internet communication that enables you to communicate with other users who are logged on at the same time.
GPS:
| A defense department system with 24 satellites that can pinpoint any location on the Earth. |
Internet telephony:
| A combination of software and hardware technology that enables the Internet to, in effect, serve as a telephone network. Internet telephony systems can use standard telephones, computers, or both to send and receive voice messages. |
, VoIP:
| protocol that allows the Internet to be used to make voice telephone calls. |
, video teleconference:
| Face-to-face communication over long distances using video and computer technology. |
voice mail:
| A telephone-based messaging system with many of the features of an email system. |
NOS:
| Server operating system software for a local-area network |
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