- A
Create separate AWS accounts for each project and use consolidated billing to view costs.
Why wrong: This is not scalable for many projects and does not allow cross-account resource sharing.
- B
Use AWS Budgets with cost allocation tags to track project costs.
Why wrong: Budgets alert but do not provide aggregated cost allocation across accounts.
- C
Apply cost allocation tags to resources in each account and use AWS Cost Explorer to filter by tag.
Why wrong: Tags must be applied consistently across accounts, but the activation and reporting can be centralized.
- D
Use AWS Cost Categories in AWS Cost Explorer to group costs by shared tags that are activated centrally.
Cost Categories allow grouping by tags, accounts, or services and are managed centrally in the management account.
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 uses AWS Organizations with consolidated billing. The finance team wants to track costs by project, where each project may use resources across multiple accounts. What is the MOST scalable way to allocate costs?
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 AWS Cost Categories in AWS Cost Explorer to group costs by shared tags that are activated centrally.
Option D is correct because AWS Cost Categories allow you to group costs based on shared tags, accounts, or other dimensions across multiple accounts in an AWS Organization. This is the most scalable approach for tracking costs by project when resources span multiple accounts, as it centralizes cost allocation without requiring manual tag activation per account.
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.
- ✗
Create separate AWS accounts for each project and use consolidated billing to view costs.
Why it's wrong here
This is not scalable for many projects and does not allow cross-account resource sharing.
- ✗
Use AWS Budgets with cost allocation tags to track project costs.
Why it's wrong here
Budgets alert but do not provide aggregated cost allocation across accounts.
- ✗
Apply cost allocation tags to resources in each account and use AWS Cost Explorer to filter by tag.
Why it's wrong here
Tags must be applied consistently across accounts, but the activation and reporting can be centralized.
- ✓
Use AWS Cost Categories in AWS Cost Explorer to group costs by shared tags that are activated centrally.
Why this is correct
Cost Categories allow grouping by tags, accounts, or services and are managed centrally in the management account.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse cost allocation tags (which require per-account activation) with AWS Cost Categories (which provide centralized grouping), leading them to choose Option C as a simpler but less scalable solution.
Detailed technical explanation
How to think about this question
AWS Cost Categories work by defining rules that map resources to categories based on tags, accounts, or cost allocation tags, and these rules are applied centrally from the management account. This eliminates the need to activate tags in each member account, making it ideal for multi-account environments. In a real-world scenario, a company with hundreds of accounts can define a single Cost Category rule that groups all resources tagged with 'Project:Alpha' across any account, and then view aggregated costs in Cost Explorer or AWS Cost and Usage Reports.
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.
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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 AWS Cost Categories in AWS Cost Explorer to group costs by shared tags that are activated centrally. — Option D is correct because AWS Cost Categories allow you to group costs based on shared tags, accounts, or other dimensions across multiple accounts in an AWS Organization. This is the most scalable approach for tracking costs by project when resources span multiple accounts, as it centralizes cost allocation without requiring manual tag activation per account.
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: Jul 4, 2026
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