- A
AWS PrivateLink to route traffic through a centralized security appliance in a single account.
Why wrong: PrivateLink is for accessing services, not for routing all inter-VPC traffic; managing appliances adds overhead.
- B
VPC Peering connections between all VPCs and use security groups to control traffic.
Why wrong: VPC Peering does not provide centralized traffic inspection; security groups are stateful but not designed for inline inspection across many VPCs.
- C
AWS Network Firewall with AWS Firewall Manager and AWS Resource Access Manager to deploy across accounts.
This provides centralized policy management and automatic deployment across accounts with minimal operational effort.
- D
AWS Transit Gateway with a centralized inspection VPC using a Gateway Load Balancer.
Why wrong: This requires manual route table updates in each VPC and additional management of the inspection VPC.
Quick Answer
The answer is AWS Network Firewall with AWS Firewall Manager and AWS Resource Access Manager because this combination enables centralized network security inspection across multiple AWS accounts by allowing a single security team to define and enforce consistent firewall policies while sharing the inspection infrastructure via RAM. This architecture creates a hub-and-spoke model where traffic between VPCs in different accounts is routed through a centrally managed firewall, enabling automated blocking of malicious traffic without manual per-account configuration. On the SAP-C02 exam, this scenario tests your understanding of how to achieve multi-account governance at scale, often appearing as a trap where candidates mistakenly choose individual VPC-level solutions like third-party appliances or native security groups, which lack centralized policy enforcement. The key insight is that Firewall Manager provides the policy automation layer, while RAM handles the cross-account resource sharing, making the solution operationally efficient. Remember the mnemonic “F-RAM” to recall Firewall Manager plus RAM for centralized multi-account inspection.
SAP-C02 Practice Question: Design Solutions for Organizational Complexity
This SAP-C02 practice question tests your understanding of design solutions for organizational complexity. 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.
A company with multiple AWS accounts wants to centrally manage network security policies. The security team needs to inspect all traffic between VPCs in different accounts and block malicious traffic. Which solution is MOST operationally efficient?
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 Network Firewall with AWS Firewall Manager and AWS Resource Access Manager to deploy across accounts.
Option C is correct because AWS Network Firewall, combined with AWS Firewall Manager and AWS Resource Access Manager, provides a centralized, policy-based approach to deploy and manage network security rules across multiple accounts and VPCs. Firewall Manager allows you to define common security policies (e.g., domain filtering, intrusion prevention) and automatically apply them to new and existing VPCs, while RAM enables sharing the firewall subnet across accounts. This eliminates the need for manual per-account configuration, making it the most operationally efficient solution for centrally inspecting and blocking malicious traffic between VPCs in different accounts.
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 PrivateLink to route traffic through a centralized security appliance in a single account.
Why it's wrong here
PrivateLink is for accessing services, not for routing all inter-VPC traffic; managing appliances adds overhead.
- ✗
VPC Peering connections between all VPCs and use security groups to control traffic.
Why it's wrong here
VPC Peering does not provide centralized traffic inspection; security groups are stateful but not designed for inline inspection across many VPCs.
- ✓
AWS Network Firewall with AWS Firewall Manager and AWS Resource Access Manager to deploy across accounts.
Why this is correct
This provides centralized policy management and automatic deployment across accounts with minimal operational effort.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
AWS Transit Gateway with a centralized inspection VPC using a Gateway Load Balancer.
Why it's wrong here
This requires manual route table updates in each VPC and additional management of the inspection VPC.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often assume AWS Transit Gateway with a Gateway Load Balancer is the most operationally efficient because it provides centralized inspection, but they overlook the automated policy management and cross-account deployment capabilities of AWS Firewall Manager, which reduces operational overhead significantly for multi-account environments.
Detailed technical explanation
How to think about this question
AWS Network Firewall operates as a managed stateful firewall that can be deployed in a dedicated subnet within each VPC, supporting Suricata-compatible rules for deep packet inspection. When combined with Firewall Manager, you can define a single policy (e.g., blocking known malicious IPs or domains) and automatically apply it to all VPCs in an AWS Organization, with RAM allowing the firewall subnet to be shared from a central account. This architecture ensures that traffic between VPCs in different accounts is routed through the firewall via Transit Gateway or VPC routing, enabling consistent enforcement without per-account manual intervention.
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.
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Design Solutions for Organizational Complexity — study guide chapter
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FAQ
Questions learners often ask
What does this SAP-C02 question test?
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: AWS Network Firewall with AWS Firewall Manager and AWS Resource Access Manager to deploy across accounts. — Option C is correct because AWS Network Firewall, combined with AWS Firewall Manager and AWS Resource Access Manager, provides a centralized, policy-based approach to deploy and manage network security rules across multiple accounts and VPCs. Firewall Manager allows you to define common security policies (e.g., domain filtering, intrusion prevention) and automatically apply them to new and existing VPCs, while RAM enables sharing the firewall subnet across accounts. This eliminates the need for manual per-account configuration, making it the most operationally efficient solution for centrally inspecting and blocking malicious traffic between VPCs in different accounts.
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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Same concept, more angles
1 more ways this is tested on SAP-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 has a complex AWS environment with multiple accounts and VPCs. The company wants to ensure that all outbound traffic from VPCs goes through a centralized inspection VPC for security monitoring. The company uses AWS Transit Gateway. Which solution should be implemented?
hard- A.Deploy AWS Network Firewall in each VPC and configure routing to send outbound traffic through the firewall.
- B.Use VPC peering to connect all VPCs to the inspection VPC and configure routes.
- C.Use Route 53 Resolver to forward all outbound DNS queries to the inspection VPC.
- ✓ D.Create a Transit Gateway with route tables. Attach the inspection VPC as a central hub. Configure the route tables of the transit gateway to point the default route (0.0.0.0/0) to the inspection VPC attachment. Then attach all other VPCs and configure their route tables to send traffic to the Transit Gateway.
Why D: Option D is correct because it uses AWS Transit Gateway with centralized route tables to force all outbound traffic from attached VPCs through the inspection VPC. By configuring the Transit Gateway route table with a default route (0.0.0.0/0) pointing to the inspection VPC attachment, all outbound traffic from other VPCs is routed to the inspection VPC for security monitoring before leaving the network. This design meets the requirement of a single, centralized inspection point without requiring VPC peering or per-VPC firewall deployments.
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Last reviewed: Jun 24, 2026
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