- A
AWS Firewall Manager
Firewall Manager centrally manages security groups and NACLs.
- B
AWS Shield
Why wrong: Shield is for DDoS protection.
- C
AWS Config
Why wrong: Config is for resource compliance, not central management.
- D
AWS WAF
Why wrong: WAF is for web ACLs, not security groups.
Question 5 of 1,748
Centrally Manage Security Groups and NACLs Across Multiple Accounts with Firewall Manager
This SCS-C02 practice question tests your understanding of infrastructure security. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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.
Which AWS service can be used to centrally manage VPC security groups and network ACLs across multiple accounts in AWS Organizations?
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 centralized management of security groups and network ACLs across multiple accounts within AWS Organizations. It allows you to define common security rules and apply them automatically to new and existing accounts, ensuring consistent enforcement of VPC security policies without manual per-account configuration.
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 Firewall Manager
Why this is correct
Firewall Manager centrally manages security groups and NACLs.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
AWS Shield
Why it's wrong here
Shield is for DDoS protection.
- ✗
AWS Config
Why it's wrong here
Config is for resource compliance, not central management.
- ✗
AWS WAF
Why it's wrong here
WAF is for web ACLs, not security groups.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse AWS Firewall Manager with AWS WAF or AWS Shield, assuming any 'firewall' or 'security' service can manage VPC-level constructs, but only Firewall Manager provides centralized cross-account management of security groups and NACLs.
Detailed technical explanation
How to think about this question
AWS Firewall Manager uses AWS Organizations to centrally apply security group and NACL policies via a policy-based model, where you define a 'Security Group Policy' or 'Network Firewall Policy' that is automatically applied to all accounts in an organizational unit (OU). Under the hood, it leverages AWS Config's advanced queries to detect noncompliant resources and can automatically remediate by replacing or updating security groups and NACLs based on the defined baseline. A real-world scenario is enforcing a 'deny all inbound SSH from 0.0.0.0/0' rule across hundreds of accounts, where Firewall Manager ensures no account can deviate from this policy.
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: AWS Firewall Manager — AWS Firewall Manager is the correct service because it provides centralized management of security groups and network ACLs across multiple accounts within AWS Organizations. It allows you to define common security rules and apply them automatically to new and existing accounts, ensuring consistent enforcement of VPC security policies without manual per-account configuration.
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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