- A
Amazon S3 Cross-Region Replication (CRR).
S3 CRR automatically replicates objects to another Region.
- B
AWS Storage Gateway with volume gateway.
Why wrong: Storage Gateway is for hybrid storage, not S3-to-S3 replication.
- C
AWS Backup with a cross-region backup plan.
Why wrong: AWS Backup can copy snapshots, but for S3 objects, S3 CRR is more direct and automatic.
- D
Amazon S3 Transfer Acceleration.
Why wrong: Transfer Acceleration improves upload speed, not replication.
Question 802 of 1,733
PAS-C01 Technology Practice Question
This PAS-C01 practice question tests your understanding of technology. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. 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.
An organization wants to ensure that its SAP HANA database backups are stored in a separate AWS Region for disaster recovery. The backups are currently stored in Amazon S3 in the primary Region. Which AWS service should be used to replicate the backups to another Region automatically?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"primary"Why it matters: Asks for the main purpose or function, not a secondary benefit. Eliminate answers that describe side-effects or partial functions.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Amazon S3 Cross-Region Replication (CRR).
Amazon S3 Cross-Region Replication (CRR) is the correct choice because it automatically replicates objects from an S3 bucket in one AWS Region to a bucket in another Region, meeting the requirement for storing SAP HANA database backups in a separate Region for disaster recovery. CRR operates asynchronously at the object level, ensuring that backups are continuously copied without manual intervention, and it supports the same storage classes and encryption mechanisms as the source bucket.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Amazon S3 Cross-Region Replication (CRR).
Why this is correct
S3 CRR automatically replicates objects to another Region.
Clue confirmation
The clue word "primary" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
AWS Storage Gateway with volume gateway.
Why it's wrong here
Storage Gateway is for hybrid storage, not S3-to-S3 replication.
- ✗
AWS Backup with a cross-region backup plan.
Why it's wrong here
AWS Backup can copy snapshots, but for S3 objects, S3 CRR is more direct and automatic.
- ✗
Amazon S3 Transfer Acceleration.
Why it's wrong here
Transfer Acceleration improves upload speed, not replication.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may confuse AWS Backup's cross-region copy capability with S3 CRR, but AWS Backup is a managed backup service that does not automatically replicate existing S3 objects without a backup plan, whereas CRR is a native S3 feature designed specifically for continuous, automatic object replication across Regions.
Detailed technical explanation
How to think about this question
S3 CRR uses a replication configuration that specifies the source bucket, destination bucket, and optional filters (e.g., prefix or tag). It replicates only new objects by default, but can be configured to replicate existing objects using S3 Batch Replication. Under the hood, CRR relies on S3's internal event-driven architecture, where PUT operations trigger replication to the destination bucket, and it supports replication of objects encrypted with SSE-S3, SSE-KMS (with proper KMS key permissions), or SSE-C. A subtle behavior is that CRR does not replicate objects in the source bucket that were created before the replication rule was enabled unless Batch Replication is used, which is critical for ensuring all existing backups are copied.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
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
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
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.
Visual reference
Quick reference
AWS S3 Storage Class Comparison
| Storage Class | Min Duration | Retrieval | Use Case |
|---|---|---|---|
| S3 Standard | None | Immediate | Frequently accessed data |
| S3 Standard-IA | 30 days | Immediate | Infrequent access, rapid retrieval |
| S3 One Zone-IA | 30 days | Immediate | Non-critical infrequent data |
| S3 Intelligent-Tiering | None | Immediate–hours | Unknown or changing access patterns |
| S3 Glacier Instant | 90 days | Milliseconds | Archive with instant retrieval |
| S3 Glacier Flexible | 90 days | Minutes–hours | Archive, flexible retrieval |
| S3 Glacier Deep Archive | 180 days | Hours | Long-term compliance archive |
What to study next
Got this wrong? Here's your next step.
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FAQ
Questions learners often ask
What does this PAS-C01 question test?
Technology — This question tests Technology — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Amazon S3 Cross-Region Replication (CRR). — Amazon S3 Cross-Region Replication (CRR) is the correct choice because it automatically replicates objects from an S3 bucket in one AWS Region to a bucket in another Region, meeting the requirement for storing SAP HANA database backups in a separate Region for disaster recovery. CRR operates asynchronously at the object level, ensuring that backups are continuously copied without manual intervention, and it supports the same storage classes and encryption mechanisms as the source bucket.
What should I do if I get this PAS-C01 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "primary". Asks for the main purpose or function, not a secondary benefit. Eliminate answers that describe side-effects or partial functions.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jul 4, 2026
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