How can you enforce code review policies on GitHub?

Short answer: You can enforce reviews and branch protection rules in repository settings under Settings → Branches → Branch protection rules. You can require: Pull requests before merging At least one approval Passing CI checks (e.g., GitHub Actions) No direct pushes to main Example: Your team sets a rule that all PRs must be reviewed by at least one other developer and must pass automated tests before merging.

Say this in the interview

1. Define — one clear sentence (the short answer above).
2. Example — relate it to a project like ShopNest or your real work.
3. Trade-off — when you would not use it.