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Unit 6 · Software Engineering Paper 2 CS · September 2022

A good software requirement specification does NOT have the characteristic

Pick an option to check yourself, or open the answer below.

Show answer & explanation

Correct answer: D. Reliability

Explanation

The IEEE 830 characteristics of a good SRS are that it be correct, unambiguous (clarity), complete, consistent, ranked for importance and stability, verifiable, modifiable and traceable. Completeness, consistency and clarity are therefore all genuine SRS qualities. Reliability is a quality attribute of the delivered software product – the probability of failure-free operation over a stated time – not a property of the requirements document itself. It may be specified inside the SRS as a non-functional requirement, but it is not a characteristic of the SRS, so option 4 is the exception asked for.

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