PAS-C01 Design of SAP Workloads on AWS Practice Question
A company is migrating its SAP ERP system to AWS. The system includes an SAP Central Services (ASCS) instance and an SAP application server. Which TWO of the following are required for high availability? (Choose TWO.)
⚠ Common exam trap
A common mix-up: candidates confuse high availability for the ASCS instance with general application-level redundancy, leading them to select 'deploy at least two application servers' (Option E) instead of recognizing that the ASCS cluster with ERS is the specific HA requirement for the SAP Central 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
✓
Enqueue replication server (ERS) must be set up for the ASCS cluster
The Enqueue Replication Server (ERS) is a mandatory component for an SAP ASCS high-availability cluster. In a clustered ASCS setup, the ERS replicates the lock table from the active ASCS node to the standby node, ensuring that in the event of a failover, the new active ASCS instance can recover the locks without data inconsistency. Without ERS, the ASCS cluster cannot provide true high availability for the enqueue service.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Use an EBS Multi-Attach volume for shared /sapmnt
Why it's wrong here
Multi-Attach is not supported for /sapmnt; it's typically on EFS or shared.
- ✓
Enqueue replication server (ERS) must be set up for the ASCS cluster
Why this is correct
ERS is required for enqueue replication in HA.
- ✗
Configure an Elastic Load Balancer for ASCS
Why it's wrong here
ELB is not typically used for ASCS.
- ✓
Set up a cluster for ASCS using AWS cluster management tools
Why this is correct
ASCS must be clustered for HA.
- ✗
Deploy at least two application servers in different Availability Zones
Why it's wrong here
Multiple app servers are for load balancing, not HA requirement.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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.