- A
AWS Firewall Manager
Correct. AWS Firewall Manager enables central management of security group rules across multiple accounts in AWS Organizations. It can automatically enforce policies and remediate non-compliant resources, exactly as required.
- B
AWS Config
Why wrong: Incorrect. AWS Config can evaluate resource configurations against rules and detect non-compliant security groups, but it does not provide automatic remediation out of the box without custom AWS Config rules and Lambda functions. The scenario requires a managed service that automatically enforces and remediates, which is a core capability of Firewall Manager.
- C
AWS Organizations
Why wrong: Incorrect. AWS Organizations is a service for centrally managing multiple AWS accounts, including consolidated billing and policy-based management (Service Control Policies), but it does not directly enforce security group rules across accounts. Security group policies are handled by Firewall Manager.
- D
AWS Shield Advanced
Why wrong: Incorrect. AWS Shield Advanced is a managed DDoS protection service. It does not have capabilities to enforce or remediate security group rules. The scenario is about controlling inbound SSH access, not protecting against distributed denial-of-service attacks.
Quick Answer
The answer is AWS Firewall Manager, the correct choice because it provides a centralized, managed service to enforce security group rules across all accounts in an AWS Organization. It automatically detects non-compliant security groups—such as those allowing inbound SSH from 0.0.0.0/0—and can remediate them by removing the offending rule or applying a corrective policy, all without custom scripting. On the AWS Certified Cloud Practitioner CLF-C02 exam, this question tests your understanding of how Firewall Manager integrates with AWS Organizations to enforce security policies at scale, often appearing as a scenario where you must choose between Firewall Manager, AWS Config, or Security Hub. A common trap is selecting AWS Config, which detects non-compliance but does not automatically remediate without custom rules or Lambda functions. Remember: Firewall Manager is the only managed service that both detects and auto-remediates security group violations across accounts. Memory tip: think "Firewall Manager = Firewall Manager" — it manages firewalls (security groups) across accounts, not just audits.
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. A key principle to apply: aWS Firewall Manager centrally manages security policies across an AWS Organization.. 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 multiple accounts. The security team needs to enforce a consistent set of security group rules across all accounts. For example, they want to ensure that no security group in any account allows inbound SSH (port 22) from the internet (0.0.0.0/0). If a non-compliant security group is created, the service should automatically remediate by removing the offending rule or by applying a corrective policy. The company wants a managed AWS service that centrally applies these rules and requires no custom scripting. Which AWS service should the security 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 service because it provides a centralized, managed way to apply security group rules across all accounts in an AWS Organization. It can automatically detect non-compliant security groups (e.g., those allowing SSH from 0.0.0.0/0) and remediate them by removing the offending rule or applying a corrective policy, all without custom scripting.
Key principle: AWS Firewall Manager centrally manages security policies across an AWS Organization.
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 Firewall Manager
Why this is correct
Correct. AWS Firewall Manager enables central management of security group rules across multiple accounts in AWS Organizations. It can automatically enforce policies and remediate non-compliant resources, exactly as required.
Related concept
AWS Firewall Manager centrally manages security policies across an AWS Organization.
- ✗
AWS Config
Why it's wrong here
Incorrect. AWS Config can evaluate resource configurations against rules and detect non-compliant security groups, but it does not provide automatic remediation out of the box without custom AWS Config rules and Lambda functions. The scenario requires a managed service that automatically enforces and remediates, which is a core capability of Firewall Manager.
- ✗
AWS Organizations
Why it's wrong here
Incorrect. AWS Organizations is a service for centrally managing multiple AWS accounts, including consolidated billing and policy-based management (Service Control Policies), but it does not directly enforce security group rules across accounts. Security group policies are handled by Firewall Manager.
- ✗
AWS Shield Advanced
Why it's wrong here
Incorrect. AWS Shield Advanced is a managed DDoS protection service. It does not have capabilities to enforce or remediate security group rules. The scenario is about controlling inbound SSH access, not protecting against distributed denial-of-service attacks.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse AWS Config's compliance evaluation and remediation capabilities with Firewall Manager's centralized policy enforcement, forgetting that Config requires custom scripting for automatic remediation, whereas Firewall Manager provides it as a managed service.
Trap categories for this question
Scenario analysis trap
Incorrect. AWS Config can evaluate resource configurations against rules and detect non-compliant security groups, but it does not provide automatic remediation out of the box without custom AWS Config rules and Lambda functions. The scenario requires a managed service that automatically enforces and remediates, which is a core capability of Firewall Manager.
Detailed technical explanation
How to think about this question
AWS Firewall Manager uses AWS Organizations as its underlying structure to apply security group policies across member accounts. When a policy is defined (e.g., 'deny SSH from 0.0.0.0/0'), Firewall Manager continuously monitors all security groups in the organization and automatically removes non-compliant rules or attaches a compliant baseline security group to resources. This works by leveraging AWS Config's compliance evaluation under the hood, but Firewall Manager handles the remediation logic natively, eliminating the need for custom code.
KKey Concepts to Remember
- AWS Firewall Manager centrally manages security policies across an AWS Organization.
- It can enforce security group rules, WAF rules, Shield Advanced, and Route 53 Resolver DNS Firewall.
- Firewall Manager automatically remediates non-compliant resources without custom scripting.
- It ensures consistent security posture across multiple AWS 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
AWS Firewall Manager centrally manages security policies across an AWS Organization.
Real-world example
How this comes up in practice
A healthcare organisation deploys an application with a public-facing web tier and a private database tier. The database subnet has no public IP and only accepts connections from the web tier's security group. Questions like this test whether you can design cloud network isolation using VNets/VPCs, subnets, and security group rules.
What to study next
Got this wrong? Here's your next step.
Review aWS Firewall Manager centrally manages security policies across an AWS Organization., then practise related CLF-C02 questions on the same topic to reinforce the concept.
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Security and Compliance — study guide chapter
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Security and Compliance practice questions
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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 — AWS Firewall Manager centrally manages security policies across an AWS Organization..
What is the correct answer to this question?
The correct answer is: AWS Firewall Manager — AWS Firewall Manager is the correct service because it provides a centralized, managed way to apply security group rules across all accounts in an AWS Organization. It can automatically detect non-compliant security groups (e.g., those allowing SSH from 0.0.0.0/0) and remediate them by removing the offending rule or applying a corrective policy, all without custom scripting.
What should I do if I get this CLF-C02 question wrong?
Review aWS Firewall Manager centrally manages security policies across an AWS Organization., then practise related CLF-C02 questions on the same topic to reinforce the concept.
What is the key concept behind this question?
AWS Firewall Manager centrally manages security policies across an AWS Organization.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Same concept, more angles
1 more ways this is tested on CLF-C02
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. 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?
medium- A.AWS Config
- ✓ B.AWS Firewall Manager
- C.AWS IAM Access Analyzer
- D.AWS Security Hub
Why B: 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.
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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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