n-gram segmentationA method of analysis that considers overlapping sequences of a given number of characters as a single word rather than using blank space to delimit words…
N1Sun's architecture for the next -generation data center. The architecture is designed to make the entire data center behave as a single, unified system.
NAK attackIn communications security systems, a security penetration technique that makes use of the negative-acknowledge transmission-control character and…
NAMThe operational North American Meso (NAM, formerly Eta) is run four times per day (00,06,12,18Z), all cycles run to 84-h.
Name & Address BookNow called the Domino Directory or Personal Address Book.
Name resolutionThe process of translating a name into some object or information that the name represents.
name serverA network server that provides a directory service. See also "DNS," "NIS," and "WINS."
Name value-pairsIn a search context, name value-pairs are raw data that is normalized into a structured "tree" of information.
named elementA specific design element in an IBM® Lotus® Notes® application -- for example, a view or folder.
named pipeA "pipe" with a name embedded in the "filesystem" so that it can be accessed by two unrelated processes.
named styleA collection of styles that you can apply to data in a file. Styles stored in a named style can include number format, typeface, type size, underlining…
namespaceA prefix applied to URIs, URNs, and XML entities to prevent naming conflicts.
Naming AuthorityAn organizational entity responsible for assigning distinguished names (DNs) and for assuring that each DN is meaningful and unique within its domain.
naming contextA set of associations between unique, atomic, people-friendly identifiers and objects.
naming environmentA mechanism that allows a component to be customized without the need to access or change the component's source code.
NANP AreaConsists of the United States, Canada and the Caribbean countries: Anguilla, Antigua, Bahamas, Barbados, Bermuda, British Virgin Islands, Canada, Cayman…
NAP agentA client-side service that collects and manages health information. The NAP agent mediates communication of client health status between installed system…
NAP clientA computer that supports the NAP platform and can provide statements of health (SoHs) to a network access device.
NAP ECA component in a NAP client architecture that integrates with network access technologies, such as DHCP, VPN, 802.1X, IPsec, and TS Gateway.
NAP enforcement clientA component in a NAP client architecture that integrates with network access technologies, such as DHCP, VPN, 802.1X, IPsec, and TS Gateway.
NAP enforcement pointA server or network access device that uses NAP or can be used with NAP to require the evaluation of a NAP clientâs health state and provide…
NAP enforcement serverA component of the NAP architecture that enforces restricted network access for noncompliant NAP clients.
NAP EPA server or network access device that uses NAP or can be used with NAP to require the evaluation of a NAP clientâs health state and provide…
NAP ESA component of the NAP architecture that enforces restricted network access for noncompliant NAP clients.
NAP health policy serverA server running NPS that evaluates NAP client health status. The NAP health policy server uses health policies and network policies to evaluate…
NARAThe abbreviation for National Archives and Records Administration.
narrative trafficTraffic consisting of plain or encrypted messages written in a natural language and transmitted in accordance with standard formats and procedures.
narrowband modemA modem whose modulated output signal has an essential frequency spectrum that is limited to that which can be wholly contained within, and faithfully…
narrowband radio voice frequency (NBRVF)In narrowband radio, the nominal 3-kHz bandwidth allocated for single channel radio that provides a transmission path for analog and quasi-analog signals.
narrowband signalAny analog signal or analog representation of a digital signal whose essential spectral content is limited to that which can be contained within a voice…
NAS(1) National Academy of Sciences, Washington, DC. (2) Naval Air Station.
NAS (Network Attached Storage)NAS provides storage resources to servers and workstations over a shared or dedicated network.
NASANational Aeronautics and Space Administration, Washington, DC.
NAT (Network Address Translation)A type of network connection that allows you to connect your virtual machines to an external network when you have only one IP network address, and that…
NAT instanceAn instance that is configured to perform NAT in a VPC. A NAT instance enables private instances in the VPC to initiate Internet-bound traffic without…
NATAAbbreviation for North American Telecommunications Association.
NationalData from all categories that cover the entire continental United States of America.
National Airborne Operations Center (NAOC)One of four specially equipped Boeing 747s that during a national emergency would allow the President and top military leaders to stay airborne for up to…
National Communications System (NCS)The organization established by Section 1(a) of Executive Order No. 12472 to assist the President, the National Security Council, the Director of the…
National Electric Code® (NEC)A standard that governs the use of electrical wire, cable, and fixtures, and electrical and optical communications cable installed in buildings.
National Information Infrastructure (NII)A proposed, advanced, seamless web of public and private communications networks, interactive services, interoperable hardware and software, computers…
National map accuracy standards (NMAS)specifications of accuracy standards for well-defined map points on published maps that are specified by the U.S. Geological Survey and revised by the U.S.
National Military Command Center (NMCC)The primary location for JCS command and control of all U.S. and Combined Forces. Located at the Pentagon, Arlington, VA.
National Military Command System (NMCS)The priority component of the Worldwide Military Command and Control System (WWMCCS) designed to support the National Command Authorities and Joint Chiefs…
National Missile Defense (NMD) SystemOBSOLETE. A ground-based anti-ballistic missile system designed to protect the U.S. against limited ballistic missile threats.
national numberThe number identifying a calling user line within an area designated by a country code. [T1.104-1991]
national prefixA digit or combination of digits to be dialed by a calling subscriber, making a call to a subscriber in his own country but outside his own numbering area.
National Reconnaissance Office (NRO)A Department of Defense Agency tasked to ensure that the United States has the technology, spaceborne , and airborne assets needed to acquire intelligence…
national security information (NSI)Information that has been determined, pursuant to Executive Order 12958 or any predecessor order, to require protection against unauthorized disclosure.
national security systemAny telecommunications or information system operated by the United States Government, the function, operation, or use of which: (a) involves intelligence…
National Strategy SelectionThe determination of when it is in the national interest to activate and employ defense resources (i.e.
National Test Bed (NTB)A number of geographically separated simulation and test facilities that are linked through communications to simulate various portions of the ballistic…
National Test Facility (NTF)A large, modeling, simulation and test facility located on Falcon AFB in Colorado which serves as the central control, coordinating, and computing center…
National Transfer Format (NTF)British Standard BS 7567. NTF is an exchange format that permits the transfer of vector data with five different levels of complexity.
National Warning Center (NWC)Center in CMAFB, which activates the radio, TV, and sirens that warn the U.S. population of impending ballistic missile attack.
NativeA Java keyword that is used in method declarations to specify that the method is not implemented in the same Java source file, but rather in another…
Native ExecutionExecution of an application directly on a physical server, as contrasted with running the application in a virtual machine.
native methodA method written in a language other than Java, but accessible to a Java program.
native modeAn operating mode of Exchange Server 2003 when the Exchange organization consists of only Exchange 2003 or Exchange 2000 servers.
native mode usageA statement syntax entered in ARC/INFO in the language of an external system. Inclusion of an SQL WHERE clause in an ARC/INFO native mode SQL selection…
Native SystemA computer running a single operating system, and in which the applications run directly in that operating system.