exploitable channel1. [A] Channel that allows the violation of the security policy governing an information system (IS) and is usable or detectable by subjects external to…
exponential backoffA strategy that incrementally increases the wait between retry attempts in order to reduce the load on the system and increase the likelihood that…
exportData extracted or taken out of one environment or application usually in a prescribed format, and usually for import into another environment or…
exposed facilitiesAny outside plant facilities subject to the effects of lightning; or to power contacts, power induction, or differences in ground potential any of which…
exposureContact of an organism with a chemical, radiological, or physical agent.
express orderwireA permanently connected voice circuit between selected stations for technical control purposes.
expressionA combination of operands and operators that produces a resulting value. Expressions have a resulting type, that affects the context in which they may be…
expunge materialTo completely remove documentary material from NARA's physical custody and all related information about the material such as that no trace of the…
extendThe process of applying Windows SharePoint Services to a virtual server.
extended accelerator keyAdditional accelerator keys, used for bookmarks, action buttons, and window tabs. To view the extended accelerator keys, press and hold down the ALT key.
extended ACLAn optional directory access control feature available for an IBM® Lotus® Domino™ Directory and Extended Directory Catalog used to apply restrictions…
extended area service (EAS)A network-provided service feature in which a user pays a higher flat rate to obtain wider geographical coverage without paying per-call charges for calls…
extended block mode (MODE E)MODE E is a critical GridFTP components because it allows for out of order reception of data.
extended character setExtended character sets support languages which require 8-bit characters or double-byte characters, such as Chinese and French.
Extended Directory CatalogA directory catalog used by servers which, to facilitate quick name lookups, retains the individual documents and the multiple, sorted views available in…
extended distance clusterA cluster with alternate nodes located in different data centers separated by some distance. Formerly known as campus cluster.
extended partitionA type of partition that you can create only on basic master boot record (MBR) disks.
extended permissionA permission that is specific to an object added to the standard Active Directory object schema by Exchange. [Exchange 2003]
Extended Planning AnnexA document providing program guidance for an additional 10 years beyond the POM. 103
extended rightsRights added by Exchange to Active Directory for controlling access to Exchange objects. [Exchange 2003]
extended superframe (ESF)In T-carrier, a synchronization frame that delineates 24 DS1 frames Note: ESF requires less frequent synchronization than the T-carrier D-4 superframe…
extended-definition television (EDTV)Television in which (a) improvements are made to the standard National Television System Committee (NTSC) television system, (b) the improvements are…
extendsClass X extends class Y to add functionality, either by adding fields or methods to class Y, or by overriding methods of class Y.
extensibilityA property of a system, format, or standard that allows changes in performance or format within a common framework, while retaining partial or complete…
Extensible Firmware InterfaceA type of interface between a computer, firmware, hardware, and the operating system. EFI defines a new partition style called GUID partition table (GPT).
Extensible Storage Engine (ESE)The Active Directory database engine. ESE (Esent.dll) is an improved version of the Jet database that is used in Microsoft Exchange Server versions 4.
extensionThe short single-stranded stretch of nucleotides remaining on a double-stranded DNA molecule, following treatment with a restriction endonuclease which…
extension bellIn telephony, a user end device, separate from a subscriber telephone, which device produces an audible signal indicating that there is an incoming call…
extension bitThe first bit of each octet of the address field of a packet. The first octet is identified by the extension bit set to 0, and the second octet is…
extension facilityA facility that provides access to communications for a user or group of users isolated from a central communications node.
extension terminalA terminal that is added to an existing terminal and that uses the same circuit and address, i.e., port and number, as the terminal to which it is added.
External CloudA cloud computing environment that is external to the boundaries of the organization.
external data sourceA data source for federation that is not crawled, parsed, or indexed by WebSphere Information Integrator OmniFind Edition.
external entityAn entity that exists as an external XML file, which is included in the XML document using an entity reference.
external environmentA set of external entities to the application platform with which information is exchanged.
external environment interface (EEI)The interface between the application platform and the external environment across which information is exchanged.
external fileINFO stores data in files within a database. However, database information can be stored in files outside of the database.
external keyA file that contains information to access cryptographically locked data, which is stored away from the system, such as on a USB flash drive.
external key fileA file that contains the external key and is stored on an external media device.
External LinkLink which references another domain. Some people believe in link hoarding, but linking out to other related resources is a good way to help search…
external subsetThat part of a DTD that is defined by references to external DTD files.
external timing referenceIn a given communications system, a timing reference obtained from a source, such as a navigation system, external to the given system.
external viewerA plug-in, add-on, or helper application used with a Web browser to present graphics, audio, or video files.
extinction coefficientThe sum of the absorption coefficient and the scattering coefficient. [From Weik '89]
extinction ratio (re)The ratio of two optical power levels, of a digital signal generated by an optical source, e.g.
extra sectorIn information assurance, a sector that is written on a diskette track in excess of the standard number of sectors, as part of a method of copy protection.
extra trackIn information assurance, a track that is written on a diskette in excess of the standard number of tracks, as part of a method of copy protection.
ExtractionThe process of converting a captured biometric sample into biometric data so that it can be compared to a reference.
extraction resistance[The] capability of crypto-equipment or secure telecommunications equipment to resist efforts to extract [the] key. [INFOSEC-99]
extranetAn Internet based access method to a corporate intranet site by limited or total access through a security firewall.
extrinsic joint lossFor an optical fiber, that portion of a joint loss that is not intrinsic to the fibers, e.g.
eye patternAn oscilloscope display in which a pseudorandom digital data signal from a receiver is repetitively sampled and applied to the vertical input, while the…
eyes onlyA message marker for a special-category message that is intended for delivery only to a specific person, or authorized representative of that person, and…
F1) Fahrenheit- The standard scale used to measure temperature in the United States.
FABA product of hydrolysis of an IgG antibody, consisting of the variable region with some of the constant region of a heavy chain, and an entire light chain.
FabricThe hardware that connects workstations and servers to storage devices in a networked storage architecture.
Face RecognitionA biometric modality that uses an image of the visible physical structure of an individual's face for recognition purposes.
facet erosionIn laser diodes, a phenomenon in which a high field intensity of stimulated optical radiation causes degradation of the facets, i.e.
facilityA fixed, mobile, or transportable structure, including (a) all installed electrical and electronic wiring, cabling, and equipment and (b) all supporting…
Facility and StructureManmade construction. For example, resources describing buildings, fences, and related items.
facility assemblyA group of interconnected equipment and transmission media uniquely identified and dedicated to a specific type of service. [T1.238-1994/97]
facility codeA two-digit code (FC) used in the exchange-carrier-to-interexchange carrier (EC-to-IC) facility/service selective signaling protocol and the IC-to-EC…
facility grounding systemThe electrically interconnected system of conductors and conductive elements that (a) provides multiple current paths to the earth electrode subsystem…
facility groupThe particular group of facilities to route the call. [T1.667-1999]
facility group memberThe specific member of a trunk group or a multi-line hunt group. [T1.667]
facsimileAn electronic means for transmitting an exact reproduction of an image using communications lines Also referred to as fax.
facsimile (FAX)A form of telegraphy for the transmission of fixed images, with or without half-tones, with a view to their reproduction in a permanent form.
facsimile converterIn a facsimile receiver, a device that changes the signal modulation from frequency-shift keying (FSK) to amplitude modulation (AM). 2.
facsimile frequency shiftAt any point in a frequency-shift facsimile system, the numerical difference between the frequency that corresponds to a white signal and the frequency…
facsimile picture signalIn facsimile systems, the baseband signal that results from the scanning process.
facsimile receiverIn a facsimile system, the equipment that converts the facsimile picture signal into a recorded copy.
facsimile recorderIn a facsimile receiver, the device that performs the final conversion of the facsimile picture signal to an image of the object, i.e.
facsimile signal levelIn a facsimile system, the signal level at any point in the system. Note 1: The facsimile signal level is used to establish the operating levels.
facsimile transceiverIn a facsimile system, the equipment that sends and receives facsimile signals.
facsimile transmissionThe electronic transmission by wire of document images for reproduction at remote locations having compatible equipment.
facsimile transmitterIn a facsimile system, the equipment that converts the baseband picture signals, i.e.
FACSPMFFederal Agency Computer Security Program Managers Forum.
factory patternA pattern of class definition that is used as a generator of instances of other classes.
Fadethis means to cover all or part of the bank bet, also called cover or cover the bank.
fade marginA design allowance that provides for sufficient system gain or sensitivity to accommodate expected fading, for the purpose of ensuring that the required…