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'Regression testing' is performed to
ARe-verify working features after a change
BTest new features only after their release
CTest only performance under sustained load
DTest only security aspects of new code
Answer & Solution
Correct answer: A. Re-verify working features after a change
Regression testing re-validates previously working functionality after changes (bug fixes, enhancements, refactoring) to detect unintended side effects. Automated regression suites are standard practice in CI/CD.
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