ExpertMedium1 markMultiple Choice
AWS SAP-C02 · Question 18 · Domain 1.3: Reliable Architectures
A company is designing a disaster recovery strategy for a critical application. The application uses Amazon EC2 and Amazon RDS. The RPO is 15 minutes and the RTO is 4 hours. Cost must be minimized. Which DR strategy is MOST appropriate?
A company is designing a disaster recovery strategy for a critical application. The application uses Amazon EC2 and Amazon RDS. The RPO is 15 minutes and the RTO is 4 hours. Cost must be minimized. Which DR strategy is MOST appropriate?
Answer options:
A.
Backup and Restore
B.
Pilot Light
C.
Warm Standby
D.
Multi-Site Active/Active
How to approach this question
Balance the moderate RTO (4 hours) with the requirement to minimize cost.
Full Answer
B.Pilot Light✓ Correct
Pilot Light keeps critical core elements (like databases) running in the DR region, while compute resources are provisioned only during a disaster, balancing cost and RTO.
Common mistakes
Choosing Warm Standby, which is more expensive and exceeds the requirements.
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