PAS-C01 Design of SAP Workloads on AWS Practice Question
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?
⚠ Common exam trap
Candidates often 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.
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
✓
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.
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.
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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.