PAS-C01 Design of SAP Workloads on AWS Practice Question
Which TWO are best practices for designing high availability for SAP NetWeaver on AWS? (Choose two.)
⚠ Common exam trap
Test-takers frequently confuse high availability with cost optimization or assume that burstable instances are suitable for SAP production workloads, ignoring SAP's strict performance and certification requirements.
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 SAP ASCS and PAS instances in separate Availability Zones.
Deploying SAP ASCS (ABAP SAP Central Services) and PAS (Primary Application Server) instances in separate Availability Zones ensures that if one AZ fails, the other can continue processing, providing high availability. This aligns with AWS best practices for SAP NetWeaver, which recommend distributing critical SAP components across AZs to achieve a Recovery Time Objective (RTO) of minutes and a Recovery Point Objective (RPO) of near-zero using SAP enqueue replication and failover mechanisms.
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 T2 or T3 burstable instances for cost savings.
Why it's wrong here
Burstable instances are not recommended for production SAP due to performance variability.
- ✓
Deploy SAP ASCS and PAS instances in separate Availability Zones.
Why this is correct
Multiple AZs provide failover if one AZ becomes unavailable.
- ✗
Use EBS Multi-Attach volumes for the SAP application data.
Why it's wrong here
Multi-Attach is for some clustered filesystems, not standard for SAP NetWeaver.
- ✗
Configure multiple Application Load Balancers in a failover configuration.
Why it's wrong here
Single ALB is sufficient; multiple ALBs add unnecessary complexity.
- ✓
Use an Elastic Load Balancer to distribute traffic to multiple Web Dispatchers.
Why this is correct
Load balancer ensures high availability for web traffic.
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