AZ400-Q: avoid stale approval
A pull request receives approval, then new commits are added. What rule preserves the review boundary?
- A) Keep the old approval forever.
- B) Dismiss or require renewed approval when substantive new commits are pushed. ✓
- C) Merge automatically without checks.
- D) Remove the branch policy. Answer: B. Review applies to a specific proposed change set. Why not the others: Stale approval and bypasses can approve unreviewed code.