Question

What is the purpose of fault tree analysis?

a.

To determine the hazard level of different types of faults

b.

To derive a contradiction by reasoning backwards from an undesirable end situation

c.

To increase confidence in failure-free behavior

d.

To detect faults

Posted under Software Testing Software Engineering

Answer: (b).To derive a contradiction by reasoning backwards from an undesirable end situation Explanation:Fault tree analysis is a special technique developed to find critical faults. Its purpose is to derive a contradiction by reasoning backwards from a given, undesirable end situation. If a contradiction can be derived, it means that the particular situation can never be reached.

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