- A
Amazon Route 53 latency-based routing
Why wrong: Route 53 is DNS, not for latency between instances.
- B
Amazon EC2 placement group
Cluster placement groups provide low-latency, high-throughput networking.
- C
AWS Global Accelerator
Why wrong: Global Accelerator improves internet routing, not inter-instance latency.
- D
Amazon EBS io2 Block Express volumes
Why wrong: EBS provides storage, not network performance.
Question 248 of 1,733
Use EC2 Placement Groups to Minimize Latency Between SAP App and Database
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 its SAP HANA database to AWS. The system requires high network throughput and low latency between the application and database tiers. Which AWS service should be used 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
✓
Amazon EC2 placement group
Amazon EC2 placement groups, specifically cluster placement groups, provide low-latency, high-throughput networking by placing instances in a single Availability Zone within a logical group, ensuring they are physically close to each other. This minimizes network latency and maximizes throughput for tightly coupled workloads like SAP HANA, where application and database tiers require consistent, high-speed communication.
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.
- ✗
Amazon Route 53 latency-based routing
Why it's wrong here
Route 53 is DNS, not for latency between instances.
- ✓
Amazon EC2 placement group
Why this is correct
Cluster placement groups provide low-latency, high-throughput networking.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
AWS Global Accelerator
Why it's wrong here
Global Accelerator improves internet routing, not inter-instance latency.
- ✗
Amazon EBS io2 Block Express volumes
Why it's wrong here
EBS provides storage, not network performance.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse network-level optimizations (like Global Accelerator or Route 53) with compute-level placement strategies, mistakenly believing that global traffic management or storage performance can solve inter-instance latency, when the core requirement is physical proximity between application and database servers.
Detailed technical explanation
How to think about this question
Cluster placement groups use a low-latency, 25 Gbps or higher network fabric with non-blocking, fully bisectional bandwidth, leveraging the Elastic Network Adapter (ENA) and Elastic Fabric Adapter (EFA) for enhanced networking. Under the hood, they enforce co-location of instances on the same physical hardware or within a single rack, reducing the number of network hops and jitter, which is critical for SAP HANA's columnar data processing and real-time analytics workloads. In practice, this ensures that the application tier's SQL queries to the HANA database experience sub-millisecond latency, avoiding performance degradation from cross-AZ or cross-rack network traversal.
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.
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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: Amazon EC2 placement group — Amazon EC2 placement groups, specifically cluster placement groups, provide low-latency, high-throughput networking by placing instances in a single Availability Zone within a logical group, ensuring they are physically close to each other. This minimizes network latency and maximizes throughput for tightly coupled workloads like SAP HANA, where application and database tiers require consistent, high-speed communication.
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
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.
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