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 AWS Organizations with many OUs and accounts. The finance team needs to track costs by cost center, which is tagged on each resource. However, some resources are not tagged. Which solution will provide the MOST accurate cost allocation?
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 to group costs by tag value and set a default rule for untagged resources.
Option D is correct because AWS Cost Categories allow you to group costs by tag values and, crucially, set a default rule for untagged resources. This ensures that all resources—tagged or not—are assigned to a cost center, providing the most accurate cost allocation across the entire organization. Other options only filter or report on tagged resources, leaving untagged costs unallocated.
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.
✗
Enable cost allocation tags and use AWS Cost Explorer to filter by tag.
Why it's wrong here
Filtering does not allocate untagged resources; they are excluded.
✗
Create AWS Budgets reports for each cost center using tag filters.
Why it's wrong here
Budgets are for alerts, not cost allocation.
✗
Export AWS Cost and Usage Reports to Amazon QuickSight and use tag-based filtering.
Why it's wrong here
This can be part of a solution but is more complex and does not natively handle untagged resources.
✓
Use AWS Cost Categories to group costs by tag value and set a default rule for untagged resources.
Why this is correct
Cost Categories can group costs by tags and assign untagged resources to a default category.
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 assume tag-based filtering or reporting tools (Cost Explorer, Budgets, QuickSight) can handle untagged resources, but they cannot—only Cost Categories with a default rule can allocate costs for untagged resources.
Detailed technical explanation
How to think about this question
AWS Cost Categories work by defining rules that map resources to categories based on tag keys, values, or even accounts/regions. The default rule catches any resource that doesn't match a specific rule, ensuring 100% cost allocation. This is particularly important in large organizations where legacy or ungoverned resources may lack tags, and without a default rule, those costs would fall into an 'uncategorized' bucket, skewing chargeback 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.
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 to group costs by tag value and set a default rule for untagged resources. — Option D is correct because AWS Cost Categories allow you to group costs by tag values and, crucially, set a default rule for untagged resources. This ensures that all resources—tagged or not—are assigned to a cost center, providing the most accurate cost allocation across the entire organization. Other options only filter or report on tagged resources, leaving untagged costs unallocated.
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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