The answer is SAP HANA System Replication (HSR) and Amazon Route 53. This combination is correct because HSR handles the database-level replication across Availability Zones, ensuring data consistency through synchronous or asynchronous copy, while Route 53 with DNS failover and health checks automatically reroutes client traffic to the standby HANA instance when the primary AZ fails. On the AWS Certified SAP on AWS Specialty PAS-C01 exam, this scenario tests your understanding that HSR alone provides replication but not traffic redirection—Route 53 is the missing piece for true Multi-AZ high availability. A common trap is assuming Elastic Load Balancing or Auto Scaling handles database failover, but those are for stateless application tiers, not stateful SAP HANA databases. Memory tip: think “HSR for data, Route 53 for direction”—the database replicates, the DNS redirects.
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. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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 SAP Basis administrator is setting up an SAP HANA database in a Multi-AZ deployment on AWS. They need to ensure that the database remains available during an Availability Zone failure. Which AWS services should be used together to achieve this?
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 and Amazon Route 53
SAP HANA System Replication (HSR) provides synchronous or asynchronous replication of HANA databases across Availability Zones, ensuring data consistency and failover capability. Amazon Route 53 with health checks and DNS failover routing automatically redirects client traffic to the standby HANA instance in the secondary AZ when the primary fails, together achieving Multi-AZ high availability for SAP HANA.
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 CloudWatch alarms and AWS Lambda
Why it's wrong here
CloudWatch and Lambda can automate responses but not primary failover mechanism.
✗
Auto Scaling groups and Elastic Load Balancer
Why it's wrong here
Not applicable for database failover.
✓
SAP HANA System Replication and Amazon Route 53
Why this is correct
HANA System Replication provides data replication, and Route 53 provides DNS failover.
Related concept
Read the scenario before looking for a memorised answer.
✗
Amazon RDS Multi-AZ and Route 53
Why it's wrong here
RDS Multi-AZ is for RDS, not for SAP HANA on EC2.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse Amazon RDS Multi-AZ (which is a managed service for traditional databases like MySQL or Oracle) with SAP HANA, but SAP HANA on AWS requires self-managed replication via HSR and DNS-based routing, not RDS.
Detailed technical explanation
How to think about this question
SAP HANA System Replication uses log-based replication at the database level, where the primary HANA instance continuously ships redo log entries to the secondary instance over a dedicated network connection (often using the SAP HANA internal network). Route 53 DNS failover relies on health checks that monitor the HANA database listener port (default 3<instance>15) or a custom endpoint; when the primary fails, Route 53 updates DNS records with a TTL as low as 60 seconds, but clients must honor the TTL for timely failover.
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
An e-commerce site experiences heavy traffic on Black Friday and near-zero traffic during off-peak weeks. Rather than provisioning permanent large VMs, the team uses auto-scaling groups that add capacity automatically under load and reduce it overnight. Questions like this test whether you understand elasticity, availability zones, and cloud compute scaling patterns.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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 and Amazon Route 53 — SAP HANA System Replication (HSR) provides synchronous or asynchronous replication of HANA databases across Availability Zones, ensuring data consistency and failover capability. Amazon Route 53 with health checks and DNS failover routing automatically redirects client traffic to the standby HANA instance in the secondary AZ when the primary fails, together achieving Multi-AZ high availability for SAP HANA.
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.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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