SAA-C03 Design Resilient Architectures Practice Question
This SAA-C03 practice question tests your understanding of design resilient architectures. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. A key principle to apply: s3 Cross-Region Replication (CRR) copies objects to a different AWS Region.. 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 stores uploaded documents in S3. The business requires a copy in another AWS Region for disaster recovery. What should be configured? The architecture review board prefers a managed AWS-native control.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
S3 Cross-Region Replication with versioning enabled
S3 Cross-Region Replication (CRR) is a fully managed AWS-native feature that automatically replicates objects from a source S3 bucket in one AWS Region to a destination bucket in another Region, meeting the disaster recovery requirement for a geographically separate copy. Enabling versioning on both buckets is mandatory for CRR to function, as it tracks object versions and ensures consistency during replication.
Key principle: S3 Cross-Region Replication (CRR) copies objects to a different AWS Region.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
S3 lifecycle transition to Glacier Flexible Retrieval
Why it's wrong here
Lifecycle transition changes storage class, not Region.
✗
An EBS snapshot schedule
Why it's wrong here
EBS snapshots do not apply to S3 objects.
✓
S3 Cross-Region Replication with versioning enabled
Why this is correct
CRR asynchronously replicates objects to a bucket in another Region and requires versioning.
Related concept
S3 Cross-Region Replication (CRR) copies objects to a different AWS Region.
✗
A CloudFront distribution
Why it's wrong here
CloudFront caches content but is not a durable DR copy.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse S3 Cross-Region Replication with S3 lifecycle policies or Glacier transitions, mistakenly thinking that moving data to a cheaper storage class in the same region satisfies a disaster recovery requirement for geographic separation.
Detailed technical explanation
How to think about this question
S3 CRR operates asynchronously, replicating objects based on S3 events and typically completing within 15 minutes under normal conditions, though it is not instantaneous. The feature requires IAM roles with appropriate permissions for the replication process, and it can replicate existing objects only if configured with a replication rule that includes the 'ExistingObjectReplication' option, which is not enabled by default. In a real-world scenario, if the source bucket has S3 Object Lock enabled, CRR can replicate locked objects, but the destination bucket must also have Object Lock configured with compatible retention settings.
KKey Concepts to Remember
S3 Cross-Region Replication (CRR) copies objects to a different AWS Region.
CRR requires S3 Versioning to be enabled on both source and destination buckets.
CRR is an asynchronous replication process for new objects, updates, and deletes.
CRR is a managed, AWS-native service for disaster recovery of S3 data.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
S3 Cross-Region Replication (CRR) copies objects to a different AWS Region.
Real-world example
How this comes up in practice
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
Got this wrong? Here's your next step.
Review s3 Cross-Region Replication (CRR) copies objects to a different AWS Region., then practise related SAA-C03 questions on the same topic to reinforce the concept.
Design Resilient Architectures — This question tests Design Resilient Architectures — S3 Cross-Region Replication (CRR) copies objects to a different AWS Region..
What is the correct answer to this question?
The correct answer is: S3 Cross-Region Replication with versioning enabled — S3 Cross-Region Replication (CRR) is a fully managed AWS-native feature that automatically replicates objects from a source S3 bucket in one AWS Region to a destination bucket in another Region, meeting the disaster recovery requirement for a geographically separate copy. Enabling versioning on both buckets is mandatory for CRR to function, as it tracks object versions and ensures consistency during replication.
What should I do if I get this SAA-C03 question wrong?
Review s3 Cross-Region Replication (CRR) copies objects to a different AWS Region., then practise related SAA-C03 questions on the same topic to reinforce the concept.
What is the key concept behind this question?
S3 Cross-Region Replication (CRR) copies objects to a different AWS Region.
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Question Discussion
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