A failure is:
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Found in the software; the result of an error.
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departure from specified behaviour
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An incorrect step, process or data definition in a computer program
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A human action that produces an incorrect result
Reveal answer
Fill a bubble to check yourself
B
Correct answer
Explanation
In software testing terminology, a failure is the observable incorrect behavior of a system - when it deviates from what's specified. An error/mistake (human action) can lead to a fault (defect in code), which when executed may cause a failure. Option A describes what would be found in software (a fault/defect), not the failure itself. Option C describes a fault/defect, and option D describes an error/mistake.