The answer is to use AWS CloudFormation StackSets to centrally enable VPC flow logs across all accounts and regions. This is the most efficient method because StackSets allow you to deploy a single CloudFormation template as a stack instance into every target account and region in one operation, automatically enforcing consistent flow log configurations without manual per-account or per-region setup. On the AWS Certified Solutions Architect Professional SAP-C02 exam, this question tests your understanding of multi-account governance and automation at scale, often appearing as a scenario where you must choose between StackSets, AWS Config rules, or manual scripts—the common trap is selecting AWS Config, which detects non-compliance but does not remediate automatically across all regions. Remember the memory tip: “StackSets stack the stacks across sets of accounts,” reinforcing that StackSets are purpose-built for deploying identical resources across multiple accounts and regions simultaneously, integrating with AWS Organizations to automatically include new accounts as they join.
SAP-C02 Practice Question: Design Solutions for Organizational Complexity
This SAP-C02 practice question tests your understanding of design solutions for organizational complexity. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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 has multiple AWS accounts managed through AWS Organizations. The security team requires that all VPC flow logs be enabled in every account and region. What is the MOST efficient way to enforce this requirement?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use AWS CloudFormation StackSets to deploy a stack that enables VPC Flow Logs in every account and region.
AWS CloudFormation StackSets allows you to deploy a single CloudFormation template across multiple accounts and regions in a single operation, making it the most efficient way to enforce VPC Flow Logs across all accounts and regions. This approach ensures consistent configuration without requiring manual per-account or per-region setup, and it integrates with AWS Organizations for automated deployment to new accounts.
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.
✗
Apply a service control policy (SCP) that requires all VPCs to have flow logs enabled.
Why it's wrong here
SCPs cannot enable resources; they only control permissions.
✓
Use AWS CloudFormation StackSets to deploy a stack that enables VPC Flow Logs in every account and region.
Why this is correct
StackSets can deploy stacks across accounts and regions from a single admin account.
Related concept
Read the scenario before looking for a memorised answer.
✗
Create an AWS Config rule in each account to check for flow logs and trigger an auto-remediation action.
Why it's wrong here
Config can detect but auto-remediation requires additional setup and may not be as efficient as StackSets.
✗
Use AWS Service Catalog to create a VPC product that includes flow logs, and require accounts to use it.
Why it's wrong here
Service Catalog does not enforce existing VPCs to have flow logs.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse SCPs with resource policies, thinking they can enforce resource configurations, but SCPs only control IAM permissions and cannot directly enable features like VPC Flow Logs.
Detailed technical explanation
How to think about this question
CloudFormation StackSets uses a self-managed or service-managed permission model; with service-managed, it automatically deploys to accounts in AWS Organizations based on organizational units (OUs) and regions, and new accounts added to an OU automatically receive the stack. The template can include a VPC Flow Log resource (AWS::EC2::FlowLog) that references a CloudWatch Logs log group and IAM role, ensuring every VPC created in the target accounts has flow logs enabled. This approach also handles regional differences by specifying a list of regions in the StackSet, and it can be updated centrally if the flow log configuration needs to change.
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 healthcare organisation deploys an application with a public-facing web tier and a private database tier. The database subnet has no public IP and only accepts connections from the web tier's security group. Questions like this test whether you can design cloud network isolation using VNets/VPCs, subnets, and security group rules.
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.
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 AWS CloudFormation StackSets to deploy a stack that enables VPC Flow Logs in every account and region. — AWS CloudFormation StackSets allows you to deploy a single CloudFormation template across multiple accounts and regions in a single operation, making it the most efficient way to enforce VPC Flow Logs across all accounts and regions. This approach ensures consistent configuration without requiring manual per-account or per-region setup, and it integrates with AWS Organizations for automated deployment to new accounts.
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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Question Discussion
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