- A
Use AWS Firewall Manager to define security group policies and enforce them across accounts.
Firewall Manager is designed for centralized security group management.
- B
Use AWS Organizations Service Control Policies to restrict security group modifications.
Why wrong: SCPs control IAM actions, not network rules.
- C
Use AWS Config rules to automatically remediate non-compliant security groups.
Why wrong: Remediation is reactive, not preventive; Firewall Manager provides proactive enforcement.
- D
Use AWS Network Firewall to inspect traffic and block unauthorized connections.
Why wrong: Network Firewall is a managed firewall service, not for security group rule management.
Question 181 of 1,748
SCS-C02 Infrastructure Security Practice Question
This SCS-C02 practice question tests your understanding of infrastructure security. 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 has a multi-account AWS environment using AWS Organizations. The security team wants to centrally manage VPC security group rules across all accounts. Which solution should be used?
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
✓
Use AWS Firewall Manager to define security group policies and enforce them across accounts.
AWS Firewall Manager is the correct choice because it provides centralized management of security group rules across multiple accounts in an AWS Organization. It allows the security team to define a common security group policy and automatically enforce it across all member accounts, ensuring consistent security posture 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.
- ✓
Use AWS Firewall Manager to define security group policies and enforce them across accounts.
Why this is correct
Firewall Manager is designed for centralized security group management.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Use AWS Organizations Service Control Policies to restrict security group modifications.
Why it's wrong here
SCPs control IAM actions, not network rules.
- ✗
Use AWS Config rules to automatically remediate non-compliant security groups.
Why it's wrong here
Remediation is reactive, not preventive; Firewall Manager provides proactive enforcement.
- ✗
Use AWS Network Firewall to inspect traffic and block unauthorized connections.
Why it's wrong here
Network Firewall is a managed firewall service, not for security group rule management.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse AWS Config's detection and remediation capabilities with centralized enforcement, not realizing that Config operates per-account and lacks the multi-account policy management that Firewall Manager provides.
Detailed technical explanation
How to think about this question
AWS Firewall Manager uses a policy-based approach where you define a security group policy that includes a baseline set of rules, and it automatically applies those rules to all existing and new VPCs across accounts in the organization. It integrates with AWS Organizations and uses the management account to centrally enforce compliance, with automatic remediation for non-compliant resources. A subtle behavior is that Firewall Manager can also manage AWS WAF and Shield Advanced policies, making it a unified security management service beyond just security groups.
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 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.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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FAQ
Questions learners often ask
What does this SCS-C02 question test?
Infrastructure Security — This question tests Infrastructure Security — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Use AWS Firewall Manager to define security group policies and enforce them across accounts. — AWS Firewall Manager is the correct choice because it provides centralized management of security group rules across multiple accounts in an AWS Organization. It allows the security team to define a common security group policy and automatically enforce it across all member accounts, ensuring consistent security posture without manual intervention.
What should I do if I get this SCS-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: Jul 4, 2026
This SCS-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 SCS-C02 exam.
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