1/2/13 WD2 SA
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| network | A group of two or more computers connected so they can communicate with one another.
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| node | Any entity on a network that can be managed,
such as a system, repeater, router, gateway, switch or firewall. A computer or other addressable device attached to a network; a host
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| client | An individual computer connected to a
network. Also, a system or application (such as a Web browser or user agent) that requests a service from another computer (the server) and is used to access files or documents.
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| server | A computer in a network that manages the
network resources and provides, or serves, information to clients.
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| local area network (LAN) | group of computers connected within a confined geographic area.
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| wide area network(WAN) | A group of computers connected over an expansive geographic area so their users can share files and services.
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| internet | a world wide network of interconnected networks
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| advanced research projects agency(ARPA) | US department of defense agency that created the first global computer network
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| advanced research projects agency (ARPANET) | A computer network, funded by ARPA, that served as the basis for early networking research and was the backbone during the development of the Internet
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| National Science foundation (NSF) | An independent agency of the U.S. government that promotes the advancement of science and engineering
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| backbone | the highest level in the computer network hierarchy to which smaller networks typically connect
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| gateway | a node on a network that serves as a portal to other networks
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| world wide web (WWW) | a set of software program that enables users to access resources on the Internet via hypertext documents
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| hypertext link | Highlighted or underlined text in a
Web page that, when clicked, links the user to another location or Web page.
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| web page | An HTML document containing one or more elements (text, images, hyperlinks) that can be linked to or from other HTML pages
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| web site | A World Wide Web server and its content. includes multiple Web pages
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| web browser | A software application that enables
users to access and view Web pages on the Internet
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| 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
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| packet | Data processed by protocols so it can be
sent across a network
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| router | A device that routes packets between
networks based on network-layer addresses;
determines the best path across a network. Also used
to connect separate LANs to form a WAN
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