The software test design method that involves seeding errors into a program is known is:
Response:

• A.Fault insertion and error handling.
• B.Customer defect reports.
• C.Test cases.
• D.Equivalent class partitioning.

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Which of the following techniques is MOST efficient when two nuisance variables are to be averaged out in an experimental design?
Response:

• A.Fractional factorial.
• B.Full factional.
• C.Paired test.
• D.Latin square

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What is the expression for operation availability?
Response:

• A.Operation time / [operate time + total down time].
• B.Off time / operate time.
• C.Operation time / total down time.
• D.Active down time / operate time.

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Which of the following models are used for software reliability?
I. Basic execution time model.
II. Markov analysis model.
III. Logarithmic Poisson execution time model.
IV. Simulation model.
Response:

• A.I and III only
• B.I and II only
• C.I, II and III only
• D.II, III and IV only

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The designer has certain tools for reliable design at his/her disposal. He/She can:
I. Simplify the design and minimize the number of parts without degrading performance.
II. Perform design reliability review by means of reliability analysis.
III. Apply component derating techniques.
IV. Reduce the elevated operating temperature of components.
Response:

• A.I and III only
• B.I, II, III and IV
• C.I, II and III only
• D.II and IV only

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