CertiGuide to Network+  9  Glossary

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File allocation table (FAT)

A file system based on a file allocation table (FAT) maintained by some operating systems, including Windows NT and Windows 2000, to keep track of the status of various segments of disk space used for file storage.

File extensions are a suffix added to a file name. Common extensions have been designated to perform specific tasks. For example, .EXE and .COM file extensions indicate programs that are executed. The .BAT extension indicates a series of prerecorded keystrokes to be performed. In graphics, .DFX, .GIF, PCX, and .TIF are indications of graphic files. .ASM, .C, and .PAS are examples of source code files. Common extensions for text files include, .DOC and .TXT. Two common of extensions for PostScript are .PS for text files and .EPS which may include text and binary image.

The row in the master file table (MFT) that corresponds to a particular disk file. The file record is identified by its file reference.

A storage system (typically a computer) that holds multiple files, and allows access for multiple users on a network.

In an operating system, the overall structure in which files are named, stored, and organized. NTFS, FAT, and FAT32 are types of file systems.

An area of physical memory that holds frequently used pages. It allows applications and services to locate pages rapidly and reduces disk activity.

A protocol that defines how to transfer files from one computer to another over the Internet. FTP is also a client/server application that moves files using this protocol.

In IPSec, a rule that provides the ability to trigger security negotiations for a communication based on the source, destination, and type of IP traffic.

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