ExpertHard1 markMultiple Choice
AWS SAP-C02 · Question 25 · Domain 1.3: Reliable Architectures
An application relies on an Amazon RDS for MySQL database. The business requires an RTO of 5 minutes and an RPO of 5 minutes in the event of a complete region failure. Which disaster recovery strategy meets these requirements MOST cost-effectively?
An application relies on an Amazon RDS for MySQL database. The business requires an RTO of 5 minutes and an RPO of 5 minutes in the event of a complete region failure. Which disaster recovery strategy meets these requirements MOST cost-effectively?
Answer options:
A.
Use AWS Backup to copy snapshots cross-region every 5 minutes.
B.
Implement an RDS cross-region read replica.
C.
Use Amazon Aurora Global Database.
D.
Deploy a multi-region active-active architecture.
How to approach this question
Balance the RPO/RTO requirements with cost-effectiveness.
Full Answer
B.Implement an RDS cross-region read replica.✓ Correct
Cross-region read replicas provide a warm standby DR strategy, meeting tight RPO/RTO requirements cost-effectively.
Common mistakes
Choosing active-active architectures for moderate RTO requirements.
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