SAP-C02 Practice Question: Design Solutions for Organizational Complexity
A company is designing a multi-account strategy for its development teams. Each team needs to have its own isolated environment with VPCs, subnets, and security groups. The company wants to centralize network administration and ensure that all VPCs use a common set of security rules. Which THREE steps should the company take? (Choose THREE.)
⚠ Common exam trap
Watch out — candidates often confuse AWS CloudFormation StackSets (which only automates resource deployment) with centralized security enforcement, overlooking the need for a hub-and-spoke architecture with a centralized inspection point like AWS Network Firewall and Transit Gateway.
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
✓
Deploy a centralized inspection VPC with AWS Network Firewall and use Transit Gateway to route traffic.
Deploying a centralized inspection VPC with AWS Network Firewall and using Transit Gateway to route traffic allows the company to centralize network administration and enforce common security rules across all VPCs. Transit Gateway acts as a hub for inter-VPC and on-premises connectivity, while AWS Network Firewall provides stateful inspection and filtering for all traffic passing through the hub, meeting the requirement for a common set of security rules.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Allow each team to create their own VPCs and use VPC Peering to connect them.
Why it's wrong here
This decentralizes network administration and can lead to a mesh of peering connections.
- ✓
Deploy a centralized inspection VPC with AWS Network Firewall and use Transit Gateway to route traffic.
Why this is correct
This allows central inspection and control of traffic between VPCs.
- ✓
Create a dedicated network account and use AWS Resource Access Manager to share subnets with other accounts.
Why this is correct
This allows central management of subnets while teams use them in their own accounts.
- ✗
Use AWS CloudFormation StackSets to deploy identical VPCs to each account.
Why it's wrong here
This still creates separate VPCs per account, not centralized administration.
- ✓
Use AWS Firewall Manager to apply common security group rules across all accounts.
Why this is correct
Firewall Manager can centrally enforce security group policies.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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