フリー問題

問題文

A team automates the addition of firewall rules from ticket data. Within a week an error in the template opened a rule on 340 devices. What should the design add, and what does that acknowledge about automation?

選択肢

1. A staged rollout with verification between stages, because automation applies a mistake as quickly and widely as it applies a correct change.
2. Manual application for firewall rules only.
3. A stricter review of every ticket before it enters the pipeline, because the template error originated in data that a human had already approved and a second reviewer would have caught the malformed entry before any device was touched.
4. A rollback script that reverts all 340 devices at once.