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.
Which TWO of the following are required for SAP HANA high availability on AWS using HANA System Replication (HSR) with automatic failover? (Select TWO.)
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
An Amazon Route 53 health check that monitors the primary instance and updates a DNS record to the secondary IP on failure.
Option B is correct because Amazon Route 53 health checks can monitor the primary HANA instance's availability. On failure, a Route 53 failover routing policy automatically updates the DNS record to point to the secondary instance's private IP, enabling clients to reconnect without manual intervention. This is a key component of HANA System Replication (HSR) with automatic failover on AWS.
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.
✗
Application Auto Scaling to automatically scale HANA instances.
Why it's wrong here
Auto Scaling is not relevant for HSR failover.
✓
An Amazon Route 53 health check that monitors the primary instance and updates a DNS record to the secondary IP on failure.
Why this is correct
Route 53 health checks can be used to update DNS for automatic failover.
Related concept
Read the scenario before looking for a memorised answer.
✗
An Elastic Load Balancer (ELB) in front of the HANA instances to distribute traffic.
Why it's wrong here
ELB does not support HANA protocol.
✓
Placement of primary and secondary HANA instances in different Availability Zones.
Why this is correct
Different AZs provide failure isolation.
Related concept
Read the scenario before looking for a memorised answer.
✗
An Amazon Route 53 alias record pointing to the primary instance's private IP.
Why it's wrong here
Alias records cannot point to instance IPs directly.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse load balancers (ELB) with DNS-based failover, but ELBs are stateless and cannot handle HANA's direct client connections or replication state, making Route 53 health checks with failover routing the correct choice for HSR automatic failover.
Detailed technical explanation
How to think about this question
HANA System Replication (HSR) uses synchronous or asynchronous replication at the database level, and automatic failover requires a mechanism to redirect clients. Route 53 failover routing with health checks polls the primary instance's HANA service port (e.g., 3xx13) or a custom endpoint; when the health check fails, Route 53 updates the DNS TTL (typically 60 seconds) to point to the secondary instance's IP. This approach works because HANA clients cache DNS for short periods, and the secondary instance must be pre-configured with HSR takeover readiness (e.g., using `hdbnsutil -sr_enable`).
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: An Amazon Route 53 health check that monitors the primary instance and updates a DNS record to the secondary IP on failure. — Option B is correct because Amazon Route 53 health checks can monitor the primary HANA instance's availability. On failure, a Route 53 failover routing policy automatically updates the DNS record to point to the secondary instance's private IP, enabling clients to reconnect without manual intervention. This is a key component of HANA System Replication (HSR) with automatic failover on AWS.
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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