Mark the correct sentences:

Question

Options

• AII, IV
• BI, II
• CIV, V
• DII, III, IV
• IDefects are a result of environmental conditions and are also

• A
  88% (22)
• D
  8% (2)
• I
  4% (1)

Explanation

The question is about marking the correct sentences among the given statements related to defects, failures, and mistakes. According to the ISTQB glossary, the definitions of these terms Defect: A flaw in a component or system that can cause the component or system to fail to perform its required function, e.g. an incorrect statement or data definition. A defect, if encountered during execution, may cause a failure of the component or system. Failure: An event in which a component or system does not perform a required function within specified limits. Mistake: A human action that produces an incorrect result. Therefore, out of the five given statements, only two are correct, namely: A human mistake may produce a defect: This is true, as a mistake is a source or cause of a defect, e.g. a programmer may make a mistake in writing a code statement, which results in a defect in the software component. When a defect exists in a system it may result in a failure: This is true, as a defect is a potential or actual cause of a failure, e.g. a defect in the software component may cause the system to fail to perform a required function when the defect is encountered during execution.

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