- A
AWS Database Migration Service with ongoing replication.
Why wrong: DMS is for migrations, not DR.
- B
Amazon EBS Snapshots copied to us-west-2 every hour.
Why wrong: Hourly snapshots cannot achieve 15-minute RPO.
- C
Amazon S3 Cross-Region Replication for HANA data files.
Why wrong: S3 replication is not suitable for HANA data.
- D
SAP HANA System Replication to an EC2 instance in us-west-2.
HANA System Replication provides near real-time replication.
Question 1,336 of 1,733
PAS-C01 Design of SAP Workloads on AWS Practice Question
This PAS-C01 practice question tests your understanding of design of sap workloads on aws. 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 a disaster recovery (DR) strategy for its SAP HANA database on AWS. The primary site is in us-east-1. The DR site must be in us-west-2. The company requires a Recovery Point Objective (RPO) of 15 minutes and a Recovery Time Objective (RTO) of 2 hours. Which AWS service should be used for replicating HANA data?
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
✓
SAP HANA System Replication to an EC2 instance in us-west-2.
SAP HANA System Replication (HSR) is the native, SAP-supported mechanism for replicating HANA databases to a secondary site with low RPO (typically seconds to minutes) and RTO (minutes to hours). It continuously ships log entries from the primary to a standby EC2 instance in us-west-2, meeting the 15-minute RPO and 2-hour RTO requirements. AWS Database Migration Service, EBS Snapshots, and S3 Cross-Region Replication do not provide the log-level, consistent replication needed for SAP HANA's ACID compliance and failover semantics.
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.
- ✗
AWS Database Migration Service with ongoing replication.
Why it's wrong here
DMS is for migrations, not DR.
- ✗
Amazon EBS Snapshots copied to us-west-2 every hour.
Why it's wrong here
Hourly snapshots cannot achieve 15-minute RPO.
- ✗
Amazon S3 Cross-Region Replication for HANA data files.
Why it's wrong here
S3 replication is not suitable for HANA data.
- ✓
SAP HANA System Replication to an EC2 instance in us-west-2.
Why this is correct
HANA System Replication provides near real-time replication.
Clue confirmation
The clue word "primary" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse generic data replication services (DMS, S3 CRR, EBS snapshots) with the SAP-native replication mechanism, failing to recognize that only HSR provides the log-level consistency and failover orchestration required for SAP HANA's strict RPO/RTO and ACID guarantees.
Detailed technical explanation
How to think about this question
SAP HANA System Replication uses a synchronous or asynchronous log-shipping protocol (SAP Note 2096006) where the primary HANA instance writes redo log entries to a secondary instance via TCP/IP. In AWS, this is typically deployed across two EC2 instances in different regions using a dedicated replication network (e.g., AWS Global Accelerator or Direct Connect) to minimize latency. The RPO can be as low as 0 with synchronous replication, but for cross-region scenarios, asynchronous mode is common, still achieving sub-minute RPO under normal conditions.
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.
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
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FAQ
Questions learners often ask
What does this PAS-C01 question test?
Design of SAP Workloads on AWS — This question tests Design of SAP Workloads on AWS — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: SAP HANA System Replication to an EC2 instance in us-west-2. — SAP HANA System Replication (HSR) is the native, SAP-supported mechanism for replicating HANA databases to a secondary site with low RPO (typically seconds to minutes) and RTO (minutes to hours). It continuously ships log entries from the primary to a standby EC2 instance in us-west-2, meeting the 15-minute RPO and 2-hour RTO requirements. AWS Database Migration Service, EBS Snapshots, and S3 Cross-Region Replication do not provide the log-level, consistent replication needed for SAP HANA's ACID compliance and failover semantics.
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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