- A
VPC peering between the application and database subnets.
Why wrong: Wrong; VPC peering is for different VPCs, not for low latency within same VPC.
- B
Placement groups for the application and database instances.
Cluster placement groups provide low-latency, high-throughput network.
- C
AWS Direct Connect to connect the application and database servers.
Why wrong: Direct Connect is for on-premises to AWS, not within AWS.
- D
AWS Transit Gateway to connect the application and database subnets.
Why wrong: Transit Gateway is for network transit between VPCs, not for low latency within a VPC.
Question 1,355 of 1,733
Reduce SAP Latency with a Cluster Placement Group
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 migrating SAP ECC to AWS and needs to ensure low-latency connectivity between the SAP application and database servers. Which AWS service is most appropriate to achieve this?
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
✓
Placement groups for the application and database instances.
Placement groups, specifically cluster placement groups, provide low-latency, high-throughput network connectivity by placing instances in a single Availability Zone within a low-latency, 10 Gbps network. This is ideal for SAP ECC where the application and database servers require consistent, sub-millisecond latency for optimal 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.
- ✗
VPC peering between the application and database subnets.
Why it's wrong here
Wrong; VPC peering is for different VPCs, not for low latency within same VPC.
- ✓
Placement groups for the application and database instances.
Why this is correct
Cluster placement groups provide low-latency, high-throughput network.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
AWS Direct Connect to connect the application and database servers.
Why it's wrong here
Direct Connect is for on-premises to AWS, not within AWS.
- ✗
AWS Transit Gateway to connect the application and database subnets.
Why it's wrong here
Transit Gateway is for network transit between VPCs, not for low latency within a VPC.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse network connectivity services (VPC peering, Transit Gateway, Direct Connect) with compute-level placement strategies, assuming any 'connection' service can reduce latency, when only placement groups provide the physical proximity required for low-latency inter-instance communication.
Detailed technical explanation
How to think about this question
Cluster placement groups use a fully non-blocking, 10 Gbps Ethernet network with sub-millisecond latency, leveraging the AWS Nitro System for enhanced networking. Under the hood, they enforce strict co-location of instances on the same physical hardware or within a single rack, minimizing network hops and jitter. In real-world SAP migrations, this ensures that SAP application servers and the HANA database can sustain high transaction rates without network bottlenecks.
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
An e-commerce site experiences heavy traffic on Black Friday and near-zero traffic during off-peak weeks. Rather than provisioning permanent large VMs, the team uses auto-scaling groups that add capacity automatically under load and reduce it overnight. Questions like this test whether you understand elasticity, availability zones, and cloud compute scaling patterns.
What to study next
Got this wrong? Here's your next step.
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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: Placement groups for the application and database instances. — Placement groups, specifically cluster placement groups, provide low-latency, high-throughput network connectivity by placing instances in a single Availability Zone within a low-latency, 10 Gbps network. This is ideal for SAP ECC where the application and database servers require consistent, sub-millisecond latency for optimal 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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Same concept, more angles
1 more ways this is tested on PAS-C01
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. A company is designing a new SAP environment on AWS. The SAP application servers communicate with the database over the network. The architect wants to minimize latency and maximize throughput. Which placement strategy should the architect use?
easy- ✓ A.Place all servers in a single Availability Zone and use a cluster placement group.
- B.Place the application servers in one Availability Zone and the database in a different Availability Zone.
- C.Place the application servers in one VPC and the database in a different VPC connected via VPC peering.
- D.Place the application servers in one AWS Region and the database in another Region.
Why A: A cluster placement group is the correct choice because it provides the lowest possible latency and highest throughput by ensuring that all SAP application and database servers are placed in close physical proximity within a single Availability Zone. This placement minimizes network hops and leverages non-blocking, high-bandwidth networking, which is critical for SAP's latency-sensitive communication between application and database layers.
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Last reviewed: Jun 24, 2026
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