Hard1 markMultiple Choice
AWS SAA-C03 · Question 31 · Domain 2.2: Highly Available Architectures
A global financial application requires a relational database. The database must span multiple AWS Regions to provide local read performance for users worldwide. In the event of a regional outage, the database must fail over to another region with an RPO of less than 1 second and an RTO of less than 1 minute. Which solution meets these requirements?
A global financial application requires a relational database. The database must span multiple AWS Regions to provide local read performance for users worldwide. In the event of a regional outage, the database must fail over to another region with an RPO of less than 1 second and an RTO of less than 1 minute. Which solution meets these requirements?
Answer options:
A.
Amazon RDS Multi-AZ
B.
Amazon RDS with Cross-Region Read Replicas
C.
Amazon Aurora Global Database
D.
Amazon DynamoDB Global Tables
How to approach this question
Match 'relational database', 'cross-region', and 'sub-second RPO' to Aurora Global Database.
Full Answer
C.Amazon Aurora Global Database✓ Correct
Amazon Aurora Global Database
Amazon Aurora Global Database is designed for globally distributed applications, allowing a single Amazon Aurora database to span multiple AWS Regions. It replicates data with no impact on database performance, enables fast local reads, and provides disaster recovery from region-wide outages.
Common mistakes
Choosing DynamoDB Global Tables, missing the 'relational database' requirement.
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