Quick Answer
The answer is Aurora Global Database, as it is the only AWS-managed service that delivers cross-Region disaster recovery with low RPO without requiring custom scripts. This architecture uses storage-level replication to asynchronously copy data from a primary Region to up to five secondary Regions, achieving a typical RPO of one second and an RTO of one minute—far superior to manual snapshot or binlog-based approaches. On the SAA-C03 exam, this scenario tests your understanding of managed disaster recovery solutions versus custom replication scripts; a common trap is choosing Multi-AZ (which is single-Region only) or setting up MySQL asynchronous replication manually, both of which violate the “no custom scripts” constraint. Remember the key differentiator: Aurora Global Database handles replication at the storage layer, not the database engine layer, so it requires zero application changes. Memory tip: think “Global for geo, storage for speed”—Aurora Global Database is the only option that combines geographic failover with sub-second RPO automatically.
This SAA-C03 practice question tests your understanding of design resilient architectures. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. A key principle to apply: aurora Global Database provides cross-Region disaster recovery.. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A ticket booking system uses Aurora MySQL. The company wants fast cross-Region disaster recovery with low RPO. Which architecture should be considered? The design must avoid adding custom operational scripts.
Aurora Global Database
Aurora Global Database replicates with low latency to secondary Regions and supports faster disaster recovery than snapshot-only approaches.
A single-AZ Aurora cluster
Why wrong: Single-AZ design does not provide cross-Region DR.
An ElastiCache Redis replica
Why wrong: ElastiCache is not an Aurora database DR mechanism.
Manual snapshots copied monthly
Why wrong: Monthly snapshots create high RPO and slow recovery.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Aurora Global Database
Aurora Global Database is designed for cross-Region disaster recovery with a typical RPO of 1 second and RTO of 1 minute, using storage-based replication that does not require custom scripts. It replicates data from a primary Region to up to five secondary Regions with minimal impact on database performance, meeting the low RPO requirement without operational overhead.
Key principle: Aurora Global Database provides cross-Region disaster recovery.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Aurora Global Database
Why this is correct
Aurora Global Database replicates with low latency to secondary Regions and supports faster disaster recovery than snapshot-only approaches.
Related concept
Aurora Global Database provides cross-Region disaster recovery.
A single-AZ Aurora cluster
Why it's wrong here
Single-AZ design does not provide cross-Region DR.
An ElastiCache Redis replica
Why it's wrong here
ElastiCache is not an Aurora database DR mechanism.
Manual snapshots copied monthly
Why it's wrong here
Monthly snapshots create high RPO and slow recovery.
Common exam traps
The trap here is that candidates may confuse cross-Region read replicas (which require manual promotion and have higher RPO) with Aurora Global Database, which provides automated failover and lower RPO without custom scripts.
Detailed technical explanation
Aurora Global Database uses a dedicated storage layer that asynchronously replicates data at the physical storage level, bypassing the database engine to achieve sub-second replication lag. The secondary Regions can be promoted to primary in under a minute during a disaster, and read workloads can be offloaded to secondary Regions without affecting write performance. This architecture relies on the Aurora storage fabric's distributed quorum model, which ensures data consistency across Regions without requiring application-level changes.
Key takeaway
Aurora Global Database provides cross-Region disaster recovery.
Real-world example
A media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
What to study next
Review aurora Global Database provides cross-Region disaster recovery., then practise related SAA-C03 questions on the same topic to reinforce the concept.
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FAQ
Design Resilient Architectures — This question tests Design Resilient Architectures — Aurora Global Database provides cross-Region disaster recovery..
The correct answer is: Aurora Global Database — Aurora Global Database is designed for cross-Region disaster recovery with a typical RPO of 1 second and RTO of 1 minute, using storage-based replication that does not require custom scripts. It replicates data from a primary Region to up to five secondary Regions with minimal impact on database performance, meeting the low RPO requirement without operational overhead.
Review aurora Global Database provides cross-Region disaster recovery., then practise related SAA-C03 questions on the same topic to reinforce the concept.
Aurora Global Database provides cross-Region disaster recovery.
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Same concept, more angles
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. A trading dashboard uses Aurora MySQL. The company wants fast cross-Region disaster recovery with low RPO. Which architecture should be considered? The design must avoid adding custom operational scripts.
mediumWhy B: Aurora Global Database is the correct choice because it provides a fully managed cross-Region disaster recovery solution with a typical RPO of 1 second or less, using storage-based replication that does not require custom scripts. This meets the low RPO requirement while avoiding operational overhead, as replication is handled automatically by the Aurora storage layer.
Variation 2. A trading dashboard uses Aurora MySQL. The company wants fast cross-Region disaster recovery with low RPO. Which architecture should be considered? The architecture review board prefers a managed AWS-native control.
mediumWhy B: Aurora Global Database is the correct choice because it provides a managed, cross-Region disaster recovery solution with a Recovery Point Objective (RPO) of less than 1 second and a Recovery Time Objective (RTO) of typically less than 1 minute. It uses storage-based replication to keep a secondary cluster in another AWS Region up to date with minimal latency, meeting the low RPO requirement without manual intervention.
Variation 3. A trading dashboard uses Aurora MySQL. The company wants fast cross-Region disaster recovery with low RPO. Which architecture should be considered?
mediumWhy B: Aurora Global Database is designed for cross-Region disaster recovery with a typical RPO of 1 second and RTO of less than 1 minute, using storage-based replication that does not impact database performance. This meets the low RPO requirement for a trading dashboard, where data loss must be minimized.
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Last reviewed: Jun 11, 2026
This SAA-C03 practice question is part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the SAA-C03 exam.
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