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Table Of Contents  CertiGuide to Network+
 9  Glossary

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(Page 1 of 13) Safe Mode

A method of starting Windows 2000 using basic files and drivers only, without networking. Safe Mode is available by pressing the F8 key when prompted during startup. This allows the computer to start when a problem prevents it from starting normally.

Sag

An electrical condition, when voltage drops more than 20% below normal. A.K.A. Brownout.

SAN

Storage Area Network. Take the principle of NAS (Network Area Storage) one step further by allowing storage devices to exist on their own separate network and communicate directly with each other over very fast media, such as Fibre Channel. Refer to Fibre Channel.

SATAN

Security Analysis Tool for Auditing Networks. A collection of tools designed to probe network for weak points.

Screen Scraping

A.K.A. Advanced Terminal Emulation. Capturing data from legacy system, not actually intended for data transport or manipulation of a database. Output is typically parsed out to HTML for display, and converted back to a legacy interface, such as VT100 or IBM 3270 terminal emulation. Today this is considered a last-ditch effort, as even very minor changes to data format may break the trick.

Screen-enlargement utility

A utility that allows the user to magnify a portion of the screen for greater visibility. (Also called a screen magnifier or large-print program.)

Script

A type of program consisting of a set of instructions to an application or utility program. A script usually expresses instructions by using the application’s or utility’s rules and syntax, combined with simple control structures such as loops and if/then expressions. “Batch program” is often used interchangeably with “script” in the Windows environment.


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