The correct answer involves defining a standardized set of tags and enforcing them with AWS Config rules, alongside using AWS Cost Explorer to filter costs by tags across accounts. This works because AWS Config rules can continuously evaluate resources for tag compliance across all accounts in AWS Organizations, automatically remediating non-compliant resources or triggering notifications, which ensures consistent cost allocation tags are applied before costs accrue. On the SAP-C02 exam, this tests your understanding of governance at scale—specifically how to combine detective controls (Config rules) with cost visibility tools (Cost Explorer) to implement cost allocation tags across multiple AWS accounts. A common trap is assuming that simply enabling tag activation in the Billing console is sufficient; however, without Config rules to enforce tag standardization, you’ll have inconsistent or missing tags that break cost allocation. Memory tip: Think “Config to enforce, Explorer to report”—enforcement must come before reporting for accurate cost tracking.
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 wants to implement a cost allocation strategy using tags across multiple accounts in AWS Organizations. Which TWO practices should be followed?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Define a standardized set of tags (e.g., CostCenter, Owner, Project) and enforce them using AWS Config rules.
Option A is correct because defining a standardized set of tags and enforcing them with AWS Config rules ensures consistent cost allocation tagging across all accounts in AWS Organizations. AWS Config rules can evaluate resources for tag compliance and trigger remediation actions, such as automatically tagging resources or sending notifications, which is essential for accurate cost tracking. This approach aligns with the AWS Well-Architected Framework's cost optimization pillar by enabling granular cost allocation and chargeback.
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.
✓
Define a standardized set of tags (e.g., CostCenter, Owner, Project) and enforce them using AWS Config rules.
Why this is correct
Standardization and enforcement are key for cost allocation.
Related concept
Read the scenario before looking for a memorised answer.
✗
Enable AWS-generated tags automatically for all resources.
Why it's wrong here
AWS does not automatically generate cost allocation tags.
✗
Use service control policies (SCPs) to require tags on all resources.
Why it's wrong here
SCPs cannot require tags; they only deny actions based on tags.
✗
Apply tags only at the resource creation time; they cannot be added later.
Why it's wrong here
Tags can be added or modified at any time.
✓
Use AWS Cost Explorer to filter costs by tags across accounts.
Why this is correct
Cost Explorer supports tag-based cost allocation.
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 confusing service control policies (SCPs) with tag enforcement mechanisms; SCPs control permissions, not resource configurations, so candidates often incorrectly select SCPs for tagging requirements instead of AWS Config rules or tag policies.
Detailed technical explanation
How to think about this question
AWS Config rules evaluate resources against desired configurations, such as the required-tags rule, and can automatically remediate non-compliant resources using AWS Systems Manager Automation documents. AWS Cost Explorer uses tags to filter and group costs across accounts in AWS Organizations, but tags must be activated in the Billing and Cost Management console before they appear in cost reports. Tag policies in AWS Organizations provide a centralized way to enforce standardized tags across accounts, but they do not enforce compliance on existing resources, which is why AWS Config rules are often combined with tag policies for full lifecycle enforcement.
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: Define a standardized set of tags (e.g., CostCenter, Owner, Project) and enforce them using AWS Config rules. — Option A is correct because defining a standardized set of tags and enforcing them with AWS Config rules ensures consistent cost allocation tagging across all accounts in AWS Organizations. AWS Config rules can evaluate resources for tag compliance and trigger remediation actions, such as automatically tagging resources or sending notifications, which is essential for accurate cost tracking. This approach aligns with the AWS Well-Architected Framework's cost optimization pillar by enabling granular cost allocation and chargeback.
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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