BladeUser.org Glossary of Terms

f

False Positives

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The condition in which spam-filtering software will incorrectly identify a legitimate, solicited or expected e-mail as a spam transmission. As spammers use more and more sophisticated methods of averting spam filters, the filters have to adapt to keep the onslaught of spam at bay. While sophisticated spam filters, such as the ones that use Bayesian filtering, are keeping out the overwhelming majority of spam e-mails, some spam still slips past the filters, and unfortunately some legitimate e-mail is incorrectly identified as spam and filtered out.

FC - Fibre Channel

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A technology for transmitting data between computer devices. It is especially suited for attaching computer servers to shared storage devices and for interconnecting storage controllers and drives.

FCSM

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Fibre channel switch module

FDB

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Forwarding database

FDD - Floppy Disk Drive

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A thin, flexible magnetic plate that is permanently sealed in a protective cover. It can be used to store information copies from the disk or another diskette.

File-Distribution Server

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In the Software Distribution task, an intermediate server that is used to distribute a software package when the redirected-distribution method is used. 1) Firmware ia proprietary code that is usually delivered as microcode as part of an operating system. Firmware is more efficient than software loaded from an alterable medium and more adaptable to change than pure hardware circuitry. An example of firmware is the Basic Input/Output System (BIOS) in read-only memory (ROM) on a PC system board. 2) An ordered set of microcode instructions and data stored in a hardware EPROM. When microcode software is installed in a hardware EPROM, it becomes firmware. Firmware cannot be modified by the user but can be updated by service personnel.

FRU - Field-Replaceable Unit

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An assembly that is replaced in its entirety when any one of its components fails.

FTP - File Transfer Protocol

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In the Internet suite of protocols, an application layer protocol that uses TCP and Telnet services to transfer bulk-data files between machines or hosts.