PAS-C01 Design of SAP Workloads on AWS Practice Question
A company is implementing an SAP S/4HANA system on AWS. The system must be highly available across multiple Availability Zones. Which of the following strategies should the company implement for the SAP Central Services (ASCS) instance to meet high availability requirements?
⚠ Common exam trap
It's easy for candidates to confuse SAP HANA System Replication (Option B) as a solution for all SAP high availability needs, but it only applies to the database layer, not to the ASCS application services.
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
✓
Deploy a Pacemaker cluster with two EC2 instances across Availability Zones using a shared file system.
SAP Central Services (ASCS) requires a highly available cluster that can manage the Enqueue and Message Server processes. A Pacemaker cluster across two Availability Zones, using a shared file system (e.g., Amazon EFS or a replicated file system), provides the necessary fencing, resource monitoring, and failover for ASCS. This architecture ensures that if the primary ASCS instance fails, the secondary instance in the other AZ can take over with minimal downtime, meeting the high availability requirement.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Deploy a single EC2 instance with a large instance type to handle failover.
Why it's wrong here
A single instance is a single point of failure.
- ✗
Configure SAP HANA System Replication between two Availability Zones.
Why it's wrong here
HANA System Replication is for the database, not ASCS.
- ✓
Deploy a Pacemaker cluster with two EC2 instances across Availability Zones using a shared file system.
Why this is correct
Pacemaker cluster ensures automatic failover for ASCS.
- ✗
Use Amazon RDS for SAP Central Services with Multi-AZ deployment.
Why it's wrong here
RDS does not support SAP Central Services.
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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.