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internet a computer network consisting of a worldwide network of computer networks that
use the TCP/IP network protocols to facilitate data transmission and exchange
National Science Foundation (NSF) An independent agency of the U.S. government that
promotes the advancement of science and engineering.
backbone The highest level in the computer network hierarchy, to which smaller networks
typically connect.
gateway A node on a network that serves as a portal to other networks.
World Wide Web (WWW) A set of software programs that enables users to access
resources on the Internet via hypertext documents.
hypertext link Highlighted or underlined text in a Web page that, when clicked, links the
user to another location or Web page.
, CIW Internet Business Associate Questions
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Web site A World Wide Web server and its content; includes multiple Web pages.
Web browser A software application that enables users to access and view Web pages on
the Internet.
Transmission Control Protocol/ Internet Protocol (TCP/IP) A suite of protocols that turns
data into blocks of information called packets, which are then sent across the Internet. The
standard protocol used by the Internet.
packet Data processed by protocols so it can be sent across network.
router A device that routes packets between networks based on network- layer addresses.
Determines the best path across a network.
Internet Service Provider (ISP) An organization that maintains a gateway to the Internet
and rents access to customers, on a per-use or subscription basis.