How to study Part 5
For every scenario:
- classify the event and business impact,
- identify the first reliable evidence,
- map source, route, target, role, retry, and failure destination,
- validate current state before changing it,
- prefer reversible and bounded actions,
- verify recovery from user and resource perspectives,
- perform root-cause and prevention work.
The exam rewards precise service selection and disciplined troubleshooting, not random operational changes.