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.
During a migration of an SAP system to AWS, the administrator notices that the SAP application servers are experiencing high network latency when communicating with the SAP HANA database. The application and database servers are in different VPCs connected via VPC peering. Which design change would most effectively reduce the latency?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Place the application and database servers in the same subnet.
Placing the SAP application servers and the SAP HANA database in the same subnet eliminates the need for traffic to traverse a VPC peering connection, which introduces additional network hops and potential latency. In a single subnet, all traffic stays within the same VPC and uses the local network infrastructure, providing the lowest possible latency for SAP HANA communication, which is critical for performance.
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.
✗
Set up an AWS Direct Connect connection.
Why it's wrong here
Direct Connect is for on-premises to AWS connectivity, not within AWS.
✗
Enable Enhanced Networking on the EC2 instances.
Why it's wrong here
Enhanced Networking reduces CPU overhead but not latency from multiple hops.
✗
Increase the bandwidth of the VPC peering connection.
Why it's wrong here
Bandwidth does not reduce latency; it addresses throughput.
✓
Place the application and database servers in the same subnet.
Why this is correct
Same subnet eliminates network hops, reducing 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 assume VPC peering is a low-latency solution and overlook that any inter-VPC traffic introduces additional network hops, while the simplest and most effective fix is to co-locate the servers in the same subnet to avoid the peering overhead entirely.
Detailed technical explanation
How to think about this question
VPC peering relies on the AWS global network backbone, but traffic between peered VPCs still traverses the AWS transit infrastructure, adding at least one extra hop compared to traffic within the same VPC. SAP HANA is extremely sensitive to network latency, with official SAP guidelines recommending sub-millisecond latency between application and database servers; placing them in the same subnet ensures traffic uses the local VPC router with minimal latency, often achieving <0.1 ms in the same Availability Zone.
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 healthcare organisation deploys an application with a public-facing web tier and a private database tier. The database subnet has no public IP and only accepts connections from the web tier's security group. Questions like this test whether you can design cloud network isolation using VNets/VPCs, subnets, and security group rules.
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 the application and database servers in the same subnet. — Placing the SAP application servers and the SAP HANA database in the same subnet eliminates the need for traffic to traverse a VPC peering connection, which introduces additional network hops and potential latency. In a single subnet, all traffic stays within the same VPC and uses the local network infrastructure, providing the lowest possible latency for SAP HANA communication, which is critical for performance.
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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