- A
Use AWS Database Migration Service (DMS) with ongoing replication from the primary HANA database to a target HANA database in us-west-2.
DMS can replicate changes continuously, meeting RPO.
- B
Take EBS snapshots of HANA data volumes every 15 minutes and copy them to us-west-2.
Why wrong: EBS snapshots cannot be taken every 15 minutes due to performance impact and limitations.
- C
Use Amazon S3 Cross-Region Replication to copy HANA backup files to us-west-2.
Why wrong: Backup replication does not provide real-time replication; RPO would be hours.
- D
Configure SAP HANA System Replication (HSR) from the primary to a secondary HANA instance in us-west-2.
HSR supports cross-region replication with low RPO.
- E
Use AWS Application Migration Service (MGN) to replicate the entire HANA server to us-west-2.
Why wrong: MGN replicates the server, but RPO may not be as low as 15 minutes for a database workload.
SAP HANA Disaster Recovery — Using AWS DMS and HANA System Replication
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.
A company is designing an SAP HANA disaster recovery solution on AWS. The primary system is in us-east-1, and the DR system must be in us-west-2. The RPO is 15 minutes, and RTO is 1 hour. Which TWO approaches meet these requirements? (Choose TWO.)
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
Use AWS Database Migration Service (DMS) with ongoing replication from the primary HANA database to a target HANA database in us-west-2.
AWS DMS with ongoing replication can capture and apply changes from the primary SAP HANA database to a target HANA database in us-west-2 with low latency, supporting an RPO of 15 minutes. DMS uses log-based CDC (Change Data Capture) to replicate transactions continuously, making it suitable for near-real-time replication. This approach meets the RTO of 1 hour because the target database can be promoted quickly.
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.
- ✓
Use AWS Database Migration Service (DMS) with ongoing replication from the primary HANA database to a target HANA database in us-west-2.
Why this is correct
DMS can replicate changes continuously, meeting RPO.
Clue confirmation
The clue word "primary" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Take EBS snapshots of HANA data volumes every 15 minutes and copy them to us-west-2.
Why it's wrong here
EBS snapshots cannot be taken every 15 minutes due to performance impact and limitations.
- ✗
Use Amazon S3 Cross-Region Replication to copy HANA backup files to us-west-2.
Why it's wrong here
Backup replication does not provide real-time replication; RPO would be hours.
- ✓
Configure SAP HANA System Replication (HSR) from the primary to a secondary HANA instance in us-west-2.
Why this is correct
HSR supports cross-region replication with low RPO.
Clue confirmation
The clue word "primary" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Use AWS Application Migration Service (MGN) to replicate the entire HANA server to us-west-2.
Why it's wrong here
MGN replicates the server, but RPO may not be as low as 15 minutes for a database workload.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse server-level replication (MGN) or backup-based approaches (EBS snapshots, S3 replication) with database-level replication, failing to recognize that only HSR and DMS provide the transaction-consistent, low-latency replication needed for SAP HANA's RPO and RTO requirements.
Detailed technical explanation
How to think about this question
SAP HANA System Replication (HSR) uses log shipping or synchronous/asynchronous replication at the database layer, ensuring transaction-consistent copies with sub-second RPO in synchronous mode, but cross-region latency typically requires asynchronous mode, still achieving RPOs under 15 minutes. DMS for HANA leverages the HANA log reader to capture changes without impacting source performance, and it supports ongoing replication with automatic failover. In real-world scenarios, HSR is preferred for native HANA DR because it integrates with HANA's takeover procedures, while DMS is often used for heterogeneous migrations or when cross-region network latency is high.
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.
What to study next
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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: Use AWS Database Migration Service (DMS) with ongoing replication from the primary HANA database to a target HANA database in us-west-2. — AWS DMS with ongoing replication can capture and apply changes from the primary SAP HANA database to a target HANA database in us-west-2 with low latency, supporting an RPO of 15 minutes. DMS uses log-based CDC (Change Data Capture) to replicate transactions continuously, making it suitable for near-real-time replication. This approach meets the RTO of 1 hour because the target database can be promoted quickly.
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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