Software Reliability and Fault Tolerance MCQs

21. Suitability, Accuracy, Interoperability, and security are what type quality attribute of ISO 9126 ?

by
A. Reliability
B. Efficiency
C. Functionality
D. Usability
✅ The correct answer is option C.
Explanation: All the Characteristics mentioned in the question are related to achievement of the basic purpose for which the software is being engineered, which is functionality.

22. The CMM model is a technique to____________________?

by
A. automatically maintain the software reliability
B. improve the software process
C. test the software
D. all of the mentioned
✅ The correct answer is option B.
Explanation: Capability Maturity Model (CMM) is a strategy for improving the software process, irrespective of the actual life cycle model used.

23. Which one of the following is not a software quality model ?

by
A. ISO 9000
B. McCall model
C. Boehm model
D. ISO 9126
✅ The correct answer is option A.
Explanation: ISO-9000 series of standards is a set of document dealing with quality systems that can be used for quality assurance purposes.

27. Non-occurrence of improper alteration of information is known as___________________?

by
A. Available Dependability
B. Confidential Dependability
C. Maintainable Dependability
D. Integral Dependability
✅ The correct answer is option D.
Explanation: Integrity is to keep the original content safe from alteration.