Quick Answer
The answer is AWS Database Migration Service (DMS). This is correct because DMS supports ongoing replication from an SAP HANA source database to a standby instance in a different Availability Zone using change data capture (CDC), enabling continuous data synchronization without relying on native SAP HANA replication features. On the AWS Certified SAP on AWS Specialty PAS-C01 exam, this scenario tests your understanding of how to achieve high availability for the database layer when native HANA system replication is not desired or feasible, often appearing as a trap where candidates mistakenly choose AWS DMS for migration tasks but overlook its CDC capability for cross-AZ standby replication. A common memory tip is to think of DMS as the "data mover" that keeps the standby in sync via ongoing changes, not just a one-time migration tool.
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 running SAP S/4HANA on AWS and needs to ensure high availability for the database layer. Which AWS service should be used to replicate the database to a standby instance in a different Availability Zone?
EC2 Auto Scaling
Why wrong: EC2 Auto Scaling manages compute capacity, not database replication.
Amazon S3
Why wrong: S3 is object storage, not a database replication service.
Amazon RDS Multi-AZ
Why wrong: RDS Multi-AZ is for managed RDS databases, not for self-managed SAP HANA on EC2.
AWS Database Migration Service (DMS)
AWS DMS can perform ongoing replication to a standby HANA database.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
AWS Database Migration Service (DMS)
AWS Database Migration Service (DMS) supports ongoing replication from an SAP HANA source database to a standby instance in a different Availability Zone using change data capture (CDC). This allows continuous data synchronization without requiring native SAP HANA replication features, making it suitable for high-availability setups where the database layer must be replicated across AZs.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
EC2 Auto Scaling
Why it's wrong here
EC2 Auto Scaling manages compute capacity, not database replication.
Amazon S3
Why it's wrong here
S3 is object storage, not a database replication service.
Amazon RDS Multi-AZ
Why it's wrong here
RDS Multi-AZ is for managed RDS databases, not for self-managed SAP HANA on EC2.
AWS Database Migration Service (DMS)
Why this is correct
AWS DMS can perform ongoing replication to a standby HANA database.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
The trap here is that candidates often confuse Amazon RDS Multi-AZ with a generic high-availability solution, but RDS Multi-AZ does not support SAP HANA, making DMS the correct choice for replicating SAP S/4HANA databases across Availability Zones.
Detailed technical explanation
AWS DMS uses a replication instance to capture ongoing changes from the source SAP HANA database via the SAP HANA CDC adapter, which reads the database transaction log. The replicated changes are then applied to a standby HANA instance in a different AZ, enabling near-synchronous replication. In real-world scenarios, this approach is often combined with manual or automated failover scripts to achieve a recovery point objective (RPO) of seconds and a recovery time objective (RTO) of minutes, as SAP HANA itself does not natively support Multi-AZ replication on AWS without additional configuration.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
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
Design of SAP Workloads on AWS — This question tests Design of SAP Workloads on AWS — Read the scenario before looking for a memorised answer..
The correct answer is: AWS Database Migration Service (DMS) — AWS Database Migration Service (DMS) supports ongoing replication from an SAP HANA source database to a standby instance in a different Availability Zone using change data capture (CDC). This allows continuous data synchronization without requiring native SAP HANA replication features, making it suitable for high-availability setups where the database layer must be replicated across AZs.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 24, 2026
This PAS-C01 practice question is part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the PAS-C01 exam.
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