Multiple choice technology testing

Which of the following is a non-functional quality characteristic?

  1. Feasibility

  2. Usability

  3. Maintenance

  4. Regression
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Maintenance is a non-functional quality characteristic because it describes HOW the system performs (ease of modification, updating, or repairing) rather than WHAT it does functionally. Non-functional characteristics include attributes like usability, reliability, performance, and maintainability. Feasibility (A) is a project consideration, Usability (B) is also non-functional, and Regression (D) refers to a type of functional testing.

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