ExpertHard1 markMultiple Choice
AWS SAP-C02 · Question 03 · Domain 1.3: Reliable Architectures
An application uses Amazon Aurora PostgreSQL. To meet disaster recovery requirements, the database must survive a region failure with an RPO of 1 second and RTO of 1 minute. Which architecture meets these requirements?
An application uses Amazon Aurora PostgreSQL. To meet disaster recovery requirements, the database must survive a region failure with an RPO of 1 second and RTO of 1 minute. Which architecture meets these requirements?
Answer options:
A.
Take hourly automated snapshots and copy them to a secondary region.
B.
Implement Aurora Global Database with a secondary region.
C.
Use AWS DMS to continuously replicate data to an RDS instance in another region.
D.
Configure cross-region read replicas using standard PostgreSQL logical replication.
How to approach this question
Match the strict RPO/RTO requirements to the native Aurora feature designed for cross-region DR.
Full Answer
B.Implement Aurora Global Database with a secondary region.✓ Correct
Implement Aurora Global Database with a secondary region.
Aurora Global Database is specifically designed for globally distributed applications, offering sub-second RPO and sub-minute RTO.
Common mistakes
Selecting standard cross-region replicas which do not guarantee sub-second RPO.
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