- A
Use AWS Config to detect VPCs without flow logs and trigger a Lambda function to enable them.
Why wrong: AWS Config can detect but the Lambda function would need permissions in each account, which is complex.
- B
Use CloudFormation StackSets to deploy a stack that enables VPC flow logs in every account and region, sending logs to a centralized S3 bucket with appropriate bucket policies.
StackSets allow automated deployment across accounts and regions with minimal overhead.
- C
Write a script that uses the AWS API to enable VPC flow logs in each account and region, triggered by AWS Config rules.
Why wrong: Script-based approaches are harder to maintain and do not scale well as accounts are added.
- D
Set up a VPN connection from each account to the security account and configure flow logs to use a S3 endpoint in the security account.
Why wrong: VPN connections add complexity and cost; flow logs can be delivered directly to S3 cross-account.
Quick Answer
The answer is CloudFormation StackSets, as this is the most scalable and operationally efficient solution to centrally manage VPC flow logs across multi-account AWS environments. StackSets allow you to deploy a single CloudFormation template across hundreds of accounts and all regions within an AWS Organization, automatically enabling VPC Flow Logs and sending them to a centralized S3 bucket in the security account, with the bucket policy configured to accept logs from any member account. On the AWS Certified Solutions Architect Professional SAP-C02 exam, this scenario tests your understanding of governance at scale—specifically, how to enforce a network logging standard without manual per-account or per-region setup. A common trap is choosing AWS Config rules with auto-remediation, which works but is less efficient than a proactive, one-time deployment via StackSets. Memory tip: think “StackSets stack the logs”—one template, many accounts, all regions.
SAP-C02 Practice Question: Design Solutions for Organizational Complexity
This SAP-C02 practice question tests your understanding of design solutions for organizational complexity. 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 global company uses a multi-account AWS Organizations structure with hundreds of accounts. The network team wants to centrally manage VPC flow logs for all accounts and send them to a centralized S3 bucket in the security account. Which solution is MOST scalable and operationally efficient?
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 CloudFormation StackSets to deploy a stack that enables VPC flow logs in every account and region, sending logs to a centralized S3 bucket with appropriate bucket policies.
CloudFormation StackSets allow you to deploy a single CloudFormation template across multiple accounts and regions in an AWS Organization, making it the most scalable and operationally efficient solution for centrally enabling VPC Flow Logs. By including the appropriate S3 bucket policy in the security account, you can ensure logs from all accounts are delivered to a centralized bucket without manual intervention.
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.
- ✗
Use AWS Config to detect VPCs without flow logs and trigger a Lambda function to enable them.
Why it's wrong here
AWS Config can detect but the Lambda function would need permissions in each account, which is complex.
- ✓
Use CloudFormation StackSets to deploy a stack that enables VPC flow logs in every account and region, sending logs to a centralized S3 bucket with appropriate bucket policies.
Why this is correct
StackSets allow automated deployment across accounts and regions with minimal overhead.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Write a script that uses the AWS API to enable VPC flow logs in each account and region, triggered by AWS Config rules.
Why it's wrong here
Script-based approaches are harder to maintain and do not scale well as accounts are added.
- ✗
Set up a VPN connection from each account to the security account and configure flow logs to use a S3 endpoint in the security account.
Why it's wrong here
VPN connections add complexity and cost; flow logs can be delivered directly to S3 cross-account.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often overcomplicate the solution by considering VPNs or custom scripts, when the most scalable and operationally efficient approach is to use CloudFormation StackSets with a service-managed permission model to deploy a standardized stack across the entire organization.
Detailed technical explanation
How to think about this question
CloudFormation StackSets use a self-managed or service-managed permission model; for Organizations, service-managed StackSets automatically deploy to accounts based on organizational units (OUs) and can be updated centrally. The S3 bucket policy must include a condition that restricts access to the VPC Flow Logs service principal (delivery.logs.amazonaws.com) and the source account IDs to prevent unauthorized log delivery. StackSets also support drift detection, allowing you to automatically remediate any manual changes to the flow log configuration.
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.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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Design Solutions for Organizational Complexity — study guide chapter
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FAQ
Questions learners often ask
What does this SAP-C02 question test?
Design Solutions for Organizational Complexity — This question tests Design Solutions for Organizational Complexity — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Use CloudFormation StackSets to deploy a stack that enables VPC flow logs in every account and region, sending logs to a centralized S3 bucket with appropriate bucket policies. — CloudFormation StackSets allow you to deploy a single CloudFormation template across multiple accounts and regions in an AWS Organization, making it the most scalable and operationally efficient solution for centrally enabling VPC Flow Logs. By including the appropriate S3 bucket policy in the security account, you can ensure logs from all accounts are delivered to a centralized bucket without manual intervention.
What should I do if I get this SAP-C02 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: Jun 24, 2026
This SAP-C02 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 SAP-C02 exam.
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