20,531 terms including subtopics (0 terms filed directly here)
Technology terms
Passive Air DefenseAll measures, other than active air defense, taken to minimize the effectiveness of hostile air action.
Passive AttackAn attack against an authentication protocol where the attacker intercepts data traveling along the network between the claimant and verifier, but does…
passive clientA Hypertext Transfer Protocol (HTTP) browser, which is capable of broadly supported HTTP, that can use cookies.
Passive Communications Security ThreatsThreats to electronic systems posed by a capability to obtain intelligence through intercepting and evaluating intentional and inadvertent electromagnetic…
Passive Defense(1) Measures taken to reduce the probability of and to minimize the effects of damage caused by hostile action without the intention of taking the…
passive deviceA device that does not require a source of energy for its operation. Note: Examples of passive devices are electrical resistors, electrical capacitors…
passive satelliteIn a satellite communications system, a satellite that only reflects signals from one Earth station to another, or from several Earth stations to several…
Passive SensorA sensor that detects naturally occurring emissions from a target for tracking and/or identification purposes.
passive stationOn a multipoint connection or a point-to-point connection using basic mode link control, any tributary station waiting to be polled or selected.
passive threat1. Of a data or information processing system, a threat of disclosure of information without changing the state of the system.
passphrase[A] sequence of characters, longer than the acceptable length of a password, that is transformed by a password system into a virtual password of…
passthru serverAn intermediary server that lets a client access a target server to which the client is not connected.
PasswordA secret code utilized, usually along with a user ID, in order to log on or gain access to a PC, network or other secure system, site or application.
password historyWith respect to a given information system (IS) asset, a log of expired passwords, used primarily for automatic comparison with proposed new passwords.
password length equationAn equation that determines an appropriate password length, M, which provides an acceptable probability, P, that a password will be guessed in its…
password length parameterA basic parameter affecting the password length needed to provide a given degree of security.
Password ProtectedThe ability to protect a file using a password access control, protecting the data contents from being viewed with the appropriate viewer unless the…
Password Replication PolicyA set of access control lists (ACLs) that determine what credentials can or cannot be replicated on a read-only domain controller (RODC).
Password Settings ContainerAn object class in the Active Directory Domain Services (AD DS) schema that is created by default under the System container in the domain.
Password Settings objectAn Active Directory object that is stored in the Password Settings Container. The Password Settings object holds the attributes of a certain fine-grained…
PATIn blackjack, an unbusted hand worth at least 17 points. In draw poker, a hand that does not need any more hands.
patchA downloadable update that fixes bugs, improves stability and introduces new features to a program.
patch and test facility (PTF)A facility in which supporting functions, such as (a) quality control checking and testing of equipment, links, and circuits, (b) troubleshooting, (c)…
patch bayAn assembly of hardware so arranged that a number of circuits, usually of the same or similar type, appear on jacks for monitoring, interconnecting, and…
path clearanceIn microwave line-of-sight communications, the perpendicular distance from the radio-beam axis to obstructions such as trees, buildings, or terrain.
Path HistoriesMaintaining an authenticatable record of the prior platforms visited by a mobile software agent, so that a newly visited platform can determine whether to…
path lossIn a communication system, the attenuation undergone by an electromagnetic wave in transit between a transmitter and a receiver.
path overhead (POH)Overhead assigned to and transported with the payload until the payload is demultiplexed.
path profileA graphic representation of the physical features of a propagation path in the vertical plane containing both endpoints of the path, showing the surface…
path quality analysisIn a communications path, an analysis that (a) includes the overall evaluation of the component quality measures, the individual link quality measures…
path quality matrixA data bank that contains path-quality analyses used to support path selection and routing determination.
path surveyThe assembling of pertinent geographical and environmental data required to design a radio communication system.
pathfindingThe process of finding a path between an origin and destination, which usually involves determining a least-cost path.
pathnameThe path to a file or directory located on a disk. Pathnames are always specific to the computer operating system.
PATRIOTSee Phased Array Tracking Radar Intercept On Target (missile).
patternCan describe where active fish are holding, or what techniques are working to catch fish, especially larger fish.
Pattern MatchingA generic term that describes any process that compares one files content with another files content.
Pattern RecognitionTechnology that searches data for like patterns and flags, and extracts the pertinent data, usually utilizing an algorithm.
Paul Revere tourA traveling salesman tour in which the start is different from the ending stop.
pausedA state that applies to a node in a failover cluster or server cluster. The node is a fully active member in the cluster but cannot accept new clustered…
PAV (Parallel Access Volume)an IBM feature that allows multiple applications to access the same data at the same time.
PAVEPrecision Acquisition of Vehicle Entry (USAF term).
PAVE PAWSPosition And Velocity Extraction Phased Array Warning System. Phased array SLBM warning system. Four sites: a. East Otis ANG Base, MA b.
pavement edgesThe line demarcating the end of an impervious ground cover and the beginning of unconsolidated materials along a traveled path.
Pawsey stubA device for connecting an unbalanced coaxial feeder to a balanced antenna.
PAXAbbreviation for private automatic exchange. See PBX.
Pay for PerformancePayment structure where affiliated sales workers are paid commission for getting consumers to perform certain actions.
Pay-per-click (PPC)a pay-for-performance pricing model where advertising (such as banners or paid search engine listings) is priced based on number of clickthroughs rather…
Pay-per-post (PPP)A website designed to help content creators such as bloggers find advertisers willing to sponsor specific content.
Payback PeriodThe amount of time required before the savings resulting from your system equal the system cost.
PayloadThe input data to the CCM generation-encryption process that is both authenticated and encrypted.
Payload (Missile)(1) The warhead, its container, and activating devices in a military missile. (2) The satellite or research vehicle of a space probe or research missile.
Payload Build-up (Missile and Space)The process by which the scientific instrumentation (sensors, detectors, etc.) and necessary mechanical and electronic subassemblies are assembled into a…
payload loopbackA signal used to command the far-end receiver to loop back the received payload. [T1.107-1988]
payload moduleThe portion of a payload that completely occupies one or more channels.
payload overheadBits that are assigned at the source and remain with the information payload until the payload reaches the sink and are used for functions associated with…
payload pointerThe pointer that indicates the location of the beginning of the synchronous payload envelope. [T1.105-1988]
PBERAbbreviation for pseudo bit-error ratio. In adaptive high-frequency (HF) radio, a bit error ratio derived by a majority decoder that processes redundant…
PBXPrivate Branch Exchange - a telephony term describing a private telephone network used within an enterprise.
PBX (Private Branch eXchange)A private telephone network in an organization. Individual telephone numbers or extension numbers are supported, and calls are automatically routed to…
PCB carrierPrinted Circuit Board carrier. The unit that slides out from the chassis of a NetApp appliance and might contain (depending on the PCB carrier) expansion…
PCMCIAPersonal Computer Memory Card International Association. Plug-in cards for computers (usually portables), which extend the storage and/or functionality.