- A
Set up VPC Peering between the Availability Zones
Why wrong: VPC Peering is not needed within a single VPC.
- B
Establish an AWS Direct Connect connection
Why wrong: Direct Connect is for on-premises connectivity.
- C
Use the default VPC network within the same VPC spanning multiple Availability Zones
Instances in the same VPC across AZs communicate over AWS's low-latency network.
- D
Use AWS Transit Gateway to connect the subnets
Why wrong: Transit Gateway is for multiple VPCs, not needed within one VPC.
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 their SAP system to AWS. They need to ensure that the SAP application servers and database servers are in the same AWS Region but in different Availability Zones for high availability. The network latency between Availability Zones must be minimal. Which AWS service should be used to connect the instances?
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
Use the default VPC network within the same VPC spanning multiple Availability Zones
Option C is correct because a single VPC can span multiple Availability Zones within the same AWS Region, and by default, instances in different AZs within the same VPC communicate over the AWS private network with low latency, typically under 1-2 ms. This meets the requirement for minimal latency between SAP application and database servers while keeping them in the same Region for high availability.
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 VPC Peering between the Availability Zones
Why it's wrong here
VPC Peering is not needed within a single VPC.
- ✗
Establish an AWS Direct Connect connection
Why it's wrong here
Direct Connect is for on-premises connectivity.
- ✓
Use the default VPC network within the same VPC spanning multiple Availability Zones
Why this is correct
Instances in the same VPC across AZs communicate over AWS's low-latency network.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Use AWS Transit Gateway to connect the subnets
Why it's wrong here
Transit Gateway is for multiple VPCs, not needed within one VPC.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may overcomplicate the solution by choosing VPC Peering or Transit Gateway, not realizing that a single VPC inherently spans multiple AZs and provides the required low-latency connectivity without additional services.
Detailed technical explanation
How to think about this question
Within a single VPC, subnets in different Availability Zones are connected via the AWS global backbone network, which provides consistent low-latency performance (typically <2 ms round-trip time between AZs in the same Region). This is achieved through the VPC's implicit router, which handles traffic between subnets without needing additional services like VPC Peering or Transit Gateway, ensuring minimal latency for SAP's critical inter-instance communication.
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: Use the default VPC network within the same VPC spanning multiple Availability Zones — Option C is correct because a single VPC can span multiple Availability Zones within the same AWS Region, and by default, instances in different AZs within the same VPC communicate over the AWS private network with low latency, typically under 1-2 ms. This meets the requirement for minimal latency between SAP application and database servers while keeping them in the same Region for high availability.
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
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