The correct choice is to use a Service Control Policy (SCP) in AWS Organizations that denies the s3:CreateBucket action unless the request includes the required cost center and environment tags. This works because SCPs act as a preventive guardrail at the API level, centrally enforcing tagging requirements across all accounts before a bucket is even created—unlike post-creation checks or resource-level policies that can be bypassed. On the AWS Certified Solutions Architect Professional SAP-C02 exam, this scenario tests your understanding of SCPs as a governance tool for multi-account environments, often appearing alongside traps like using AWS Config rules or Lambda triggers, which are detective or corrective rather than preventive. A common memory tip: SCPs are the “bouncer at the door”—they deny the action before it happens, making them ideal for enforcing mandatory tags on resource creation across your entire organization.
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 company has multiple AWS accounts managed under AWS Organizations. The security team wants to enforce that all new S3 buckets created in any account are automatically tagged with the cost center and environment (e.g., dev, prod). Which solution should the team implement?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use a Service Control Policy (SCP) in AWS Organizations that denies s3:CreateBucket if the request does not include the required tags.
Option C is correct because a Service Control Policy (SCP) in AWS Organizations can centrally deny the s3:CreateBucket action if the request does not include the required tags (cost center and environment). SCPs apply to all accounts in the organization, enforcing the tagging requirement at the API level before the bucket is created, which is the most effective preventive control.
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 CloudFormation StackSets to deploy a bucket template with tags.
Why it's wrong here
Does not cover buckets created via console or SDK.
✗
Use IAM policies in each account to require tags on bucket creation.
Why it's wrong here
IAM policies are per-account and not centrally enforced.
✓
Use a Service Control Policy (SCP) in AWS Organizations that denies s3:CreateBucket if the request does not include the required tags.
Why this is correct
SCPs prevent the action at the account level.
Related concept
Read the scenario before looking for a memorised answer.
✗
Use AWS Config rules to automatically tag buckets after creation.
Why it's wrong here
AWS Config is reactive and does not prevent creation.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often choose a reactive solution like AWS Config (Option D) because it can tag buckets, but they miss that the question requires enforcement at creation time, which only a preventive control like an SCP can achieve.
Detailed technical explanation
How to think about this question
SCPs use the 'Deny' effect with the 'aws:RequestTag' condition key to block s3:CreateBucket when required tags are missing. This works because SCPs are evaluated before IAM policies, and the condition key checks the tags present in the API request itself. A subtle behavior is that SCPs cannot add tags; they only deny or allow actions, so the user must include the tags in the request. In a real-world scenario, this ensures that even if an account administrator has full IAM permissions, they cannot bypass the tagging requirement.
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 startup's cloud architect reviews their monthly bill and notices costs are higher than expected for a long-running batch job. Switching from on-demand instances to Reserved Instances — or using Spot/Preemptible VMs — can reduce compute costs by up to 72 %. Questions like this test whether you understand the tradeoffs between commitment, flexibility, and cost across cloud pricing models.
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 a Service Control Policy (SCP) in AWS Organizations that denies s3:CreateBucket if the request does not include the required tags. — Option C is correct because a Service Control Policy (SCP) in AWS Organizations can centrally deny the s3:CreateBucket action if the request does not include the required tags (cost center and environment). SCPs apply to all accounts in the organization, enforcing the tagging requirement at the API level before the bucket is created, which is the most effective preventive control.
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.
About these practice questions
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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 has multiple AWS accounts managed under AWS Organizations. The security team needs to enforce that all newly created S3 buckets in any account are automatically tagged with a 'CostCenter' tag. Which solution is the MOST operationally efficient?
medium
A.Use an AWS Lambda function triggered by AWS CloudTrail to tag buckets after creation.
B.Use an AWS Config rule to mark non-compliant buckets and automatically apply tags.
C.Use AWS CloudFormation StackSets to deploy a template that creates tagged buckets in each account.
✓ D.Use a service control policy (SCP) to deny s3:CreateBucket unless the request includes a 'CostCenter' tag.
Why D: Option A is correct because SCPs can enforce tagging at the API level across all accounts in the organization. Option B is wrong because Lambda functions require manual setup per account. Option C is wrong because AWS Config rules only detect non-compliance, not prevent creation. Option D is wrong because CloudFormation StackSets require manual template application.
Last reviewed: Jun 24, 2026
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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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