PAS-C01 Design of SAP Workloads on AWS Practice Question
Which TWO of the following are required for SAP HANA high availability on AWS using HANA System Replication (HSR) with automatic failover? (Select TWO.)
⚠ Common exam trap
It's easy for candidates to 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.
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
✓
An Amazon Route 53 health check that monitors the primary instance and updates a DNS record to the secondary IP on failure.
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.
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.
- ✗
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.
- ✗
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.
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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.