- A
Increase the frequency of EBS snapshots to every hour and use cross-region copy. Also, pre-warm the DR instance by restoring the latest snapshot.
Why wrong: Hourly snapshots still exceed 15-minute RPO, and restore time may exceed 1 hour RTO.
- B
Use AWS CloudEndure Disaster Recovery to replicate the entire EC2 instance to the DR region.
Why wrong: CloudEndure is a general DR solution but may introduce additional latency and complexity for HANA; also, it may not guarantee database-consistent recovery without application-level integration.
- C
Set up HANA System Replication (HSR) between the primary and DR regions. In the DR region, maintain a standby HANA instance in sync. Use automated failover scripts.
HSR provides low RPO (seconds to minutes) and with a pre-provisioned standby, RTO can be under 1 hour.
- D
Use Amazon EBS multi-region replication for the HANA data volumes.
Why wrong: EBS replication replicates block-level changes but does not ensure database consistency; crash-consistent recovery may not be valid.
PAS-C01 Operations and Maintenance Practice Question
This PAS-C01 practice question tests your understanding of operations and maintenance. 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 runs SAP S/4HANA on AWS. The system uses an SAP HANA database with a single EC2 instance. The operations team needs to implement a disaster recovery (DR) strategy with a Recovery Point Objective (RPO) of 15 minutes and a Recovery Time Objective (RTO) of 1 hour. The DR site is in a different AWS Region. The team currently takes daily EBS snapshots and sends them to the DR region using AWS Backup cross-region copy. However, the RPO is not met because snapshots are only taken daily. Which combination of actions should the team take to meet the RPO and RTO?
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
Set up HANA System Replication (HSR) between the primary and DR regions. In the DR region, maintain a standby HANA instance in sync. Use automated failover scripts.
Option C is correct because HANA System Replication (HSR) provides near-continuous data replication, meeting the 15-minute RPO. In the DR region, maintaining a standby HANA instance in sync and using automated failover scripts can achieve the 1-hour RTO. Option A is wrong because increasing EBS snapshot frequency to every hour still does not meet the 15-minute RPO (snapshots are not continuous) and RTO may be longer due to restore time. Option B is wrong because CloudEndure Disaster Recovery is designed for server-level replication but is not optimized for HANA; it may not ensure database consistency and could impact performance. Option D is wrong because Amazon EBS multi-region replication does not guarantee database consistency for a running SAP HANA database.
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.
- ✗
Increase the frequency of EBS snapshots to every hour and use cross-region copy. Also, pre-warm the DR instance by restoring the latest snapshot.
Why it's wrong here
Hourly snapshots still exceed 15-minute RPO, and restore time may exceed 1 hour RTO.
- ✗
Use AWS CloudEndure Disaster Recovery to replicate the entire EC2 instance to the DR region.
Why it's wrong here
CloudEndure is a general DR solution but may introduce additional latency and complexity for HANA; also, it may not guarantee database-consistent recovery without application-level integration.
- ✓
Set up HANA System Replication (HSR) between the primary and DR regions. In the DR region, maintain a standby HANA instance in sync. Use automated failover scripts.
Why this is correct
HSR provides low RPO (seconds to minutes) and with a pre-provisioned standby, RTO can be under 1 hour.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Use Amazon EBS multi-region replication for the HANA data volumes.
Why it's wrong here
EBS replication replicates block-level changes but does not ensure database consistency; crash-consistent recovery may not be valid.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
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.
- Use explanations to understand the rule behind the answer.
TExam Day Tips
- Underline the problem statement mentally.
- 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
Got this wrong? Here's your next step.
Identify which PAS-C01 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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FAQ
Questions learners often ask
What does this PAS-C01 question test?
Operations and Maintenance — This question tests Operations and Maintenance — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Set up HANA System Replication (HSR) between the primary and DR regions. In the DR region, maintain a standby HANA instance in sync. Use automated failover scripts. — Option C is correct because HANA System Replication (HSR) provides near-continuous data replication, meeting the 15-minute RPO. In the DR region, maintaining a standby HANA instance in sync and using automated failover scripts can achieve the 1-hour RTO. Option A is wrong because increasing EBS snapshot frequency to every hour still does not meet the 15-minute RPO (snapshots are not continuous) and RTO may be longer due to restore time. Option B is wrong because CloudEndure Disaster Recovery is designed for server-level replication but is not optimized for HANA; it may not ensure database consistency and could impact performance. Option D is wrong because Amazon EBS multi-region replication does not guarantee database consistency for a running SAP HANA database.
What should I do if I get this PAS-C01 question wrong?
Identify which PAS-C01 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 20, 2026
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