- A
Implement automatic start/stop for development and test instances
Stopping instances when not in use reduces costs.
- B
Use AWS Compute Optimizer to right-size EC2 instances
Rightsizing eliminates over-provisioned resources.
- C
Use Dedicated Hosts for better isolation
Why wrong: Dedicated Hosts are more expensive than shared tenancy.
- D
Replace io2 Block Express volumes with gp2 volumes
Why wrong: gp2 may not provide adequate performance for HANA.
- E
Purchase Reserved Instances for the production database server
Reserved Instances offer significant discounts for steady-state workloads.
Question 1,378 of 1,733
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.
A company is using SAP S/4HANA on AWS and wants to optimize costs. Which THREE actions would help reduce costs without impacting performance? (Choose THREE.)
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
✓
Implement automatic start/stop for development and test instances
Option A is correct because development and test instances for SAP S/4HANA do not require 24/7 availability. Implementing automatic start/stop schedules using AWS Instance Scheduler or AWS Lambda reduces compute costs by up to 70% for these non-production instances without affecting production performance, as the instances are only active during business hours or testing windows.
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.
- ✓
Implement automatic start/stop for development and test instances
Why this is correct
Stopping instances when not in use reduces costs.
Related concept
Read the scenario before looking for a memorised answer.
- ✓
Use AWS Compute Optimizer to right-size EC2 instances
Why this is correct
Rightsizing eliminates over-provisioned resources.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Use Dedicated Hosts for better isolation
Why it's wrong here
Dedicated Hosts are more expensive than shared tenancy.
- ✗
Replace io2 Block Express volumes with gp2 volumes
Why it's wrong here
gp2 may not provide adequate performance for HANA.
- ✓
Purchase Reserved Instances for the production database server
Why this is correct
Reserved Instances offer significant discounts for steady-state workloads.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may confuse Dedicated Hosts with cost optimization, but Dedicated Hosts are primarily for licensing compliance and actually increase costs, while gp2 volumes are often mistakenly considered acceptable for SAP workloads despite their inability to meet the performance requirements of SAP S/4HANA.
Detailed technical explanation
How to think about this question
AWS Compute Optimizer uses machine learning to analyze historical resource utilization (CPU, memory, network, and storage) and provides right-sizing recommendations for EC2 instances. For SAP S/4HANA, this ensures that instances are not over-provisioned, reducing costs while maintaining performance within SAP-certified instance types. Reserved Instances (RIs) for production database servers provide a significant discount (up to 72% compared to On-Demand) for a 1- or 3-year term, and they are ideal for steady-state production workloads that run continuously, such as SAP HANA databases.
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
A startup's cloud architect reviews their monthly bill and notices costs are higher than expected for a long-running batch job. Switching from on-demand instances to Reserved Instances — or using Spot/Preemptible VMs — can reduce compute costs by up to 72 %. Questions like this test whether you understand the tradeoffs between commitment, flexibility, and cost across cloud pricing models.
Quick reference
Cloud Service Model Comparison
| Model | You Manage | Provider Manages | Examples |
|---|---|---|---|
| IaaS | OS, runtime, apps, data | Hardware, hypervisor, networking | EC2, Azure VMs, GCP Compute Engine |
| PaaS | Apps and data | OS, runtime, middleware, hardware | Elastic Beanstalk, Azure App Service |
| SaaS | Data and settings only | Everything else | Microsoft 365, Salesforce, Workday |
| FaaS / Serverless | Function code only | Infra, scaling, runtime | Lambda, Azure Functions, Cloud Run |
| CaaS | Containers and apps | Kubernetes, OS, hardware | EKS, AKS, GKE |
What to study next
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FAQ
Questions learners often ask
What does this PAS-C01 question test?
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: Implement automatic start/stop for development and test instances — Option A is correct because development and test instances for SAP S/4HANA do not require 24/7 availability. Implementing automatic start/stop schedules using AWS Instance Scheduler or AWS Lambda reduces compute costs by up to 70% for these non-production instances without affecting production performance, as the instances are only active during business hours or testing windows.
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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Last reviewed: Jul 4, 2026
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