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An air gapped network (right) with no connection to a nearby internet-connected network (left) An air gap, air wall, air gapping [1] or disconnected network is a network security measure employed on one or more computers to ensure that a secure computer network is physically isolated from unsecured networks, such as the public Internet or an unsecured local area network. [2]
An air gap, as related to the plumbing trade, is the unobstructed vertical space between the water outlet and the flood level of a fixture. [1] Air gaps of appropriate design are legally required by water health and safety regulations in many countries. An air gap is the simplest form of a backflow prevention device.
Air gap (magnetic), a gap in the magnetic material Air gap, used in inductors and transformers; Air gap in an electric machine, a space between the rotor and the stator in the machine; Air gap, the space between magnetic pole pieces in which a voice coil operates; Air gaps, the use of air-filled or vacuum pockets as a replacement for low-κ ...
An air gap is simply an open vertical space between any device that connects to a plumbing system (like a valve or faucet) and any place where contaminated water can collect or pool. A simple air gap has no moving parts, other than flowing water. Many plumbing codes specify a minimum air gap distance required for various circumstances, such as ...
Air-gap malware is malware that is designed to defeat the air-gap isolation of secure computer systems using various air-gap covert channels. [1] [2] Operation
Another way of saying this is that the reluctance forces strive for a maximally aligned magnetic circuit and a minimal air gap distance. Loudspeakers used in conjunction with computer monitors or other screens are typically shielded magnetically, in order to reduce magnetic interference caused to the screens such as in televisions or CRTs. [6]
Ad-hoc charter: hiring an A/C to cover a gap in a fleet – for example, caused by problems with Rolls-Royce Trent engines fitted to Boeing 787s. Wamos and Hi-Fly are among the long-haul providers ...
The size of the acceptable gap also depends on the capacity of the incoming supply, such that a stuck-open flow cannot overfill the cistern and close the gap. Air gaps may also protect against back pressure, and are generally favoured for this. [3] However most air gaps also limit the system pressure that may be transmitted across them.