Choose the action that preserves the evidence or reduces risk in the stated situation. Each answer has a short explanation.
Review these lessons
- Progressive delivery: canary checks and rollback
- Observability: join metrics, logs, and traces
- SLOs and error budgets: turn reliability into a decision
- Backups and disaster recovery: prove the restore path
More DevOps checks
Common Mistakes
- Do not treat a passing check as proof of production health.
- Do not choose a rollback without checking data compatibility.