Multiple choice technology testing

Software maintenance involves

  1. preventive maintenance

  2. adaptive maintenance

  3. corrective maintenance

  4. all of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Software maintenance encompasses three primary types: corrective maintenance fixes bugs, adaptive maintenance modifies software to work in new environments, and preventive (also called perfective) maintenance improves performance or maintainability to prevent future issues. Since all these are valid maintenance activities, 'all of the above' is the correct answer.

AI explanation

"All of the above" is correct. Software maintenance is standardly categorized (per IEEE/ISO definitions) into corrective (fixing defects), adaptive (adjusting to environment/platform changes), and preventive (improving maintainability/preventing future faults) maintenance — sometimes a fourth category, perfective, is also included but isn't listed here. Since the three listed types are all legitimate, recognized categories of software maintenance, the umbrella answer is correct rather than any single one being exclusively right.

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