AdvancedTechnical
5 min
Cloud Disaster Recovery Planning
CloudDisaster RecoveryResilience
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Interview Question
How would you design a disaster recovery (DR) strategy for a critical cloud-hosted application?
Key Points to Cover
- Define RTO (Recovery Time Objective) and RPO (Recovery Point Objective)
- Choose active-active, active-passive, or backup-restore strategies
- Automate failover using DNS, traffic managers, or orchestration
- Test DR plan regularly with game days
Evaluation Rubric
Defines RTO/RPO clearly30% weight
Chooses appropriate DR strategy30% weight
Automates failover effectively20% weight
Emphasizes testing and drills20% weight
Hints
- 💡Think chaos engineering and backup frequency.
Potential Follow-up Questions
- ❓What are common pitfalls in DR testing?
- ❓How to manage DR costs?
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