- A
Activate cost allocation tags, tag all resources with a department identifier, and use Cost Explorer to filter and group costs by the tag.
Correct. Cost allocation tags allow you to categorize and track AWS costs by department. After activating the tags in the Billing console, Cost Explorer can display cost breakdowns by tag value, enabling department-level cost allocation without manual work.
- B
Set up separate payment methods for each department's AWS account so that each department receives its own bill.
Why wrong: Incorrect. AWS Organizations does not support using different payment methods for member accounts; the payer account is billed for all member accounts. This approach violates consolidated billing and would not produce a per-department breakdown from a single payer.
- C
Create a dedicated AWS account for each department and manually sum the charges from each account's monthly bill.
Why wrong: Incorrect. While the company already has multiple accounts, manually summing bills is inefficient and error-prone. AWS provides automated tools like cost allocation tags and Cost Explorer to break down costs by tag, which is the recommended approach.
- D
Use AWS Budgets to set a spending threshold for each department and review the alerts to estimate departmental costs.
Why wrong: Incorrect. AWS Budgets tracks total spending or usage against a budget but does not provide a cost allocation breakdown by tag or dimension. Budget alerts can notify when spending nears a limit, but they don't generate a per-department cost report.
Quick Answer
The correct action is to activate cost allocation tags, tag all resources with a department identifier, and use Cost Explorer to filter and group costs by that tag. This works because AWS Organizations consolidates billing into a single monthly bill, but cost allocation tags allow you to slice that aggregated data by department without manually combining data from each account. By activating these tags in the Billing and Cost Management console and applying a consistent tag key like "Department" to every resource, Cost Explorer can then group costs by that tag, giving the finance team a per-department breakdown directly in the monthly report. On the AWS Certified Cloud Practitioner CLF-C02 exam, this question tests your understanding of how consolidated billing and tag-based cost tracking work together—a common trap is thinking you need separate accounts or manual spreadsheets, but the key is that tags plus Cost Explorer automate the allocation. Memory tip: think "Tags + Explorer = Departmental Cost Splitter."
CLF-C02 Billing, Pricing, and Support Practice Question
This CLF-C02 practice question tests your understanding of billing, pricing, and support. 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. A key principle to apply: cost allocation tags categorize AWS resources for cost tracking.. 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 that are consolidated under AWS Organizations. The finance team receives a single monthly bill for all accounts. The team needs to allocate costs to individual departments based on which department owns each resource. They want to see a breakdown of costs by department in the monthly cost report without manually combining data from each account. Which action should the finance team take to meet these requirements?
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
Activate cost allocation tags, tag all resources with a department identifier, and use Cost Explorer to filter and group costs by the tag.
Option A is correct because activating cost allocation tags and tagging all resources with a department identifier allows the finance team to use Cost Explorer to filter and group costs by that tag. This provides a per-department cost breakdown in the consolidated monthly bill without manual aggregation, leveraging AWS Organizations' consolidated billing and tag-based cost tracking.
Key principle: Cost allocation tags categorize AWS resources for cost tracking.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Activate cost allocation tags, tag all resources with a department identifier, and use Cost Explorer to filter and group costs by the tag.
Why this is correct
Correct. Cost allocation tags allow you to categorize and track AWS costs by department. After activating the tags in the Billing console, Cost Explorer can display cost breakdowns by tag value, enabling department-level cost allocation without manual work.
Related concept
Cost allocation tags categorize AWS resources for cost tracking.
- ✗
Set up separate payment methods for each department's AWS account so that each department receives its own bill.
Why it's wrong here
Incorrect. AWS Organizations does not support using different payment methods for member accounts; the payer account is billed for all member accounts. This approach violates consolidated billing and would not produce a per-department breakdown from a single payer.
- ✗
Create a dedicated AWS account for each department and manually sum the charges from each account's monthly bill.
Why it's wrong here
Incorrect. While the company already has multiple accounts, manually summing bills is inefficient and error-prone. AWS provides automated tools like cost allocation tags and Cost Explorer to break down costs by tag, which is the recommended approach.
- ✗
Use AWS Budgets to set a spending threshold for each department and review the alerts to estimate departmental costs.
Why it's wrong here
Incorrect. AWS Budgets tracks total spending or usage against a budget but does not provide a cost allocation breakdown by tag or dimension. Budget alerts can notify when spending nears a limit, but they don't generate a per-department cost report.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may confuse AWS Budgets (which only tracks spending against thresholds) with cost allocation tags and Cost Explorer (which provide actual cost breakdowns), or assume that separate accounts or payment methods are necessary for cost allocation when tags suffice.
Detailed technical explanation
How to think about this question
Cost allocation tags in AWS are key-value pairs applied to resources, and they must be activated in the Billing and Cost Management console before they appear in cost reports. Once activated, Cost Explorer can group costs by these tags, enabling per-department views even across multiple accounts under AWS Organizations. A real-world scenario involves using AWS Tag Editor to bulk-tag resources and then creating a Cost Explorer report with 'Group by' set to the tag key (e.g., 'Department') for granular cost allocation.
KKey Concepts to Remember
- Cost allocation tags categorize AWS resources for cost tracking.
- Tags must be activated in the Billing console to be used for cost allocation.
- AWS Cost Explorer can filter and group costs by activated tags.
- Consolidated billing in AWS Organizations provides a single bill for all accounts.
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
Cost allocation tags categorize AWS resources for cost tracking.
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.
Review cost allocation tags categorize AWS resources for cost tracking., then practise related CLF-C02 questions on the same topic to reinforce the concept.
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FAQ
Questions learners often ask
What does this CLF-C02 question test?
Billing, Pricing, and Support — This question tests Billing, Pricing, and Support — Cost allocation tags categorize AWS resources for cost tracking..
What is the correct answer to this question?
The correct answer is: Activate cost allocation tags, tag all resources with a department identifier, and use Cost Explorer to filter and group costs by the tag. — Option A is correct because activating cost allocation tags and tagging all resources with a department identifier allows the finance team to use Cost Explorer to filter and group costs by that tag. This provides a per-department cost breakdown in the consolidated monthly bill without manual aggregation, leveraging AWS Organizations' consolidated billing and tag-based cost tracking.
What should I do if I get this CLF-C02 question wrong?
Review cost allocation tags categorize AWS resources for cost tracking., then practise related CLF-C02 questions on the same topic to reinforce the concept.
What is the key concept behind this question?
Cost allocation tags categorize AWS resources for cost tracking.
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Last reviewed: Jun 11, 2026
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