ISTQB Certified Tester Advanced Level – Technical Test Analyst (CTAL-TTA) — Question 1

Within an embedded software project, the maintainability of the software is considered to be critical. It has been decided to use static analysis on each delivered software component.
Which of the following metrics is NOT a maintainability metric typically used with static analysis?

Answer options

• A. Number of Lines of Code (LOC)
• B. Number of Function Calls
• C. Mean Time Between Failures
• D. Comment Frequency

Correct answer: C

Explanation

The correct answer is C, Mean Time Between Failures, as it relates to reliability rather than maintainability. The other options—A, B, and D—are all metrics specifically associated with assessing the maintainability of software through static analysis.