Which statement best describes the validation requirements for an ECO after implementation?

• A. It requires confirming changes in all affected objects and performing regression tests
• B. It requires only QA approvals
• C. It requires only regression testing
• D. It requires no testing if a pilot validated it

Answer: (A)

The idea being tested is that after an ECO is implemented, you must verify both that every object affected by the change actually reflects those changes and that existing functionality still works as intended. Confirming changes in all affected objects ensures there’s no missed update or inconsistent state across the system. Running regression tests then checks that the new changes haven’t introduced unintended effects in other parts of the system, preserving overall stability. Together, these two steps provide a complete validation: you prove the changes are applied where they should be and that overall behavior remains correct. Relying only on QA approvals misses functional verification, only on regression tests may miss whether every affected object was updated, and skipping testing because a pilot was validated is risky since it may not cover all scenarios or environments.