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 planning to migrate SAP S/4HANA to AWS. The system has a high transaction rate and requires low network latency between SAP application servers and the database. Which AWS infrastructure design minimizes network latency between the SAP application tier and the database tier?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Place all SAP application servers and the database server in the same Availability Zone.
Option D is correct because placing all SAP application servers and the database server in the same Availability Zone (AZ) minimizes network latency by keeping traffic within a single, high-bandwidth, low-latency AWS data center. SAP S/4HANA with a high transaction rate is sensitive to inter-AZ latency (typically 1-2 ms), which can degrade performance for synchronous database calls. Co-locating all tiers in one AZ ensures the lowest possible round-trip time for SAP's dialog work processes and database commits.
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.
✗
Place the database server in one Availability Zone and application servers in another to improve fault tolerance.
Why it's wrong here
Cross-AZ placement adds latency due to network distance.
✗
Use a cluster placement group for the application servers and a separate placement group for the database.
Why it's wrong here
Placement groups reduce latency but cross-group communication still incurs latency.
✗
Use a mix of instance types optimized for compute and memory across different Availability Zones.
Why it's wrong here
Instance type selection does not directly affect network latency.
✓
Place all SAP application servers and the database server in the same Availability Zone.
Why this is correct
Same AZ ensures minimal network hops and lowest latency.
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 often confuse high availability with performance, assuming that spreading resources across AZs improves both, but for SAP S/4HANA with high transaction rates, the primary design goal for latency is co-location in a single AZ, not fault tolerance.
Detailed technical explanation
How to think about this question
Under the hood, SAP S/4HANA uses synchronous database communication via the SAP dispatcher and dialog work processes; even a 1 ms increase in network latency can multiply into significant end-user response time degradation due to the high number of round trips per transaction. AWS placement groups, specifically cluster placement groups, can achieve single-digit microsecond latency when all instances are in the same group and same AZ, but using separate groups for app and database tiers defeats this benefit. In real-world SAP migrations, customers often use a single cluster placement group for both app and database servers to meet SAP's network latency requirements of <1 ms for optimal performance.
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 media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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: Place all SAP application servers and the database server in the same Availability Zone. — Option D is correct because placing all SAP application servers and the database server in the same Availability Zone (AZ) minimizes network latency by keeping traffic within a single, high-bandwidth, low-latency AWS data center. SAP S/4HANA with a high transaction rate is sensitive to inter-AZ latency (typically 1-2 ms), which can degrade performance for synchronous database calls. Co-locating all tiers in one AZ ensures the lowest possible round-trip time for SAP's dialog work processes and database commits.
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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Question Discussion
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