- A
AWS Config
Why wrong: AWS Config can detect and evaluate security group rules against compliance rules, but it cannot automatically remediate non-compliant rules without additional custom automation (such as AWS Lambda or Systems Manager Automation). The question requires automatic removal without manual setup, so Config alone is insufficient.
- B
AWS Firewall Manager
AWS Firewall Manager allows organizations to centrally configure and manage security group rules and AWS WAF rules across all accounts. It can apply a common security group baseline and automatically remove non-compliant rules (e.g., inbound RDP from 0.0.0.0/0), enforcing the policy across current and new accounts without manual intervention.
- C
AWS IAM Access Analyzer
Why wrong: AWS IAM Access Analyzer helps identify resources that are shared with an external entity by analyzing resource-based policies (like S3 bucket policies). It does not address security group rules or automatic remediation, so it is not relevant to this requirement.
- D
AWS Security Hub
Why wrong: AWS Security Hub aggregates security findings from multiple AWS services, including AWS Config, and provides a centralized view of compliance status. However, it does not enforce policies or automatically remediate non-compliant resources. It only reports on findings.
CLF-C02 Security and Compliance Practice Question
This CLF-C02 practice question tests your understanding of security and compliance. 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 to manage over 50 AWS accounts. The security team has identified a high-priority requirement to prevent any security group rule in any account from allowing inbound RDP (port 3389) access from the internet (0.0.0.0/0). If a rule is created that violates this policy, the team wants it to be automatically removed. The team needs a centralized service that can enforce this policy across all current and new accounts without requiring manual setup in each account. Which AWS service should the team use?
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
AWS Firewall Manager
AWS Firewall Manager is the correct choice because it provides centralized management of firewall rules across all accounts in an AWS Organization. It can enforce a security group policy that automatically removes any inbound RDP rule allowing 0.0.0.0/0, and it applies this policy to both existing and newly created accounts without manual intervention.
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.
- ✗
AWS Config
Why it's wrong here
AWS Config can detect and evaluate security group rules against compliance rules, but it cannot automatically remediate non-compliant rules without additional custom automation (such as AWS Lambda or Systems Manager Automation). The question requires automatic removal without manual setup, so Config alone is insufficient.
- ✓
AWS Firewall Manager
Why this is correct
AWS Firewall Manager allows organizations to centrally configure and manage security group rules and AWS WAF rules across all accounts. It can apply a common security group baseline and automatically remove non-compliant rules (e.g., inbound RDP from 0.0.0.0/0), enforcing the policy across current and new accounts without manual intervention.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
AWS IAM Access Analyzer
Why it's wrong here
AWS IAM Access Analyzer helps identify resources that are shared with an external entity by analyzing resource-based policies (like S3 bucket policies). It does not address security group rules or automatic remediation, so it is not relevant to this requirement.
- ✗
AWS Security Hub
Why it's wrong here
AWS Security Hub aggregates security findings from multiple AWS services, including AWS Config, and provides a centralized view of compliance status. However, it does not enforce policies or automatically remediate non-compliant resources. It only reports on findings.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse AWS Config's detection capabilities with Firewall Manager's enforcement capabilities, assuming Config can automatically remediate without realizing it requires custom automation, while Firewall Manager provides native, centralized auto-remediation across all accounts.
Detailed technical explanation
How to think about this question
AWS Firewall Manager uses a centralized policy management model where you define a security group policy that specifies allowed or disallowed rules (e.g., deny inbound RDP from 0.0.0.0/0). It then continuously monitors all accounts in the organization and automatically removes any violating rules, leveraging AWS Organizations for account discovery and AWS Config for rule evaluation. This ensures consistent enforcement even as new accounts are added, without requiring per-account setup.
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 company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
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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Security and Compliance — study guide chapter
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FAQ
Questions learners often ask
What does this CLF-C02 question test?
Security and Compliance — This question tests Security and Compliance — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: AWS Firewall Manager — AWS Firewall Manager is the correct choice because it provides centralized management of firewall rules across all accounts in an AWS Organization. It can enforce a security group policy that automatically removes any inbound RDP rule allowing 0.0.0.0/0, and it applies this policy to both existing and newly created accounts without manual intervention.
What should I do if I get this CLF-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: Jun 11, 2026
This CLF-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 CLF-C02 exam.
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