SAP-C02 Practice Question: Design Solutions for Organizational Complexity
This SAP-C02 practice question tests your understanding of design solutions for organizational complexity. 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 wants to centralize access control for multiple AWS accounts using AWS Organizations. They need to allow developers in a specific account to launch EC2 instances only in certain regions. What is the most scalable solution?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use an SCP attached to the organizational unit to deny EC2 actions in non-compliant regions.
Option B is correct because SCPs allow you to centrally control the maximum available permissions for all accounts in an organization, enabling region restrictions at the organizational level. Option A is wrong because IAM policies in individual accounts are harder to manage across many accounts. Option C is wrong because AWS Config does not enforce policies, it only checks compliance. Option D is wrong because Service Control Policies (SCPs) are the correct mechanism for this, not IAM roles.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Create an IAM role in each account with a policy to deny non-compliant regions.
Why it's wrong here
IAM roles are still per-account and do not provide centralized management like SCPs.
✗
Use AWS Config rules to detect and terminate instances in non-compliant regions.
Why it's wrong here
AWS Config is detective, not preventive; it cannot block the launch of instances.
✓
Use an SCP attached to the organizational unit to deny EC2 actions in non-compliant regions.
Why this is correct
SCPs provide centralized policy enforcement across accounts in an organization.
Related concept
Static NAT maps one inside address to one outside address.
✗
Create an IAM policy in each account to deny non-compliant regions.
Why it's wrong here
IAM policies are account-specific and not centralized; managing them across many accounts is not scalable.
Common exam traps
Common exam trap: NAT rules depend on direction and matching traffic
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Detailed technical explanation
How to think about this question
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
KKey Concepts to Remember
Static NAT maps one inside address to one outside address.
PAT allows many inside hosts to share one public address using ports.
Inside local and inside global describe the private and translated addresses.
NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
→Identify inside and outside interfaces first.
→Check whether the scenario needs static NAT, dynamic NAT or PAT.
→Do not confuse NAT matching ACLs with normal packet-filtering intent.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
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.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related SAP-C02 NAT questions on configuration and troubleshooting.
Design Solutions for Organizational Complexity — This question tests Design Solutions for Organizational Complexity — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: Use an SCP attached to the organizational unit to deny EC2 actions in non-compliant regions. — Option B is correct because SCPs allow you to centrally control the maximum available permissions for all accounts in an organization, enabling region restrictions at the organizational level. Option A is wrong because IAM policies in individual accounts are harder to manage across many accounts. Option C is wrong because AWS Config does not enforce policies, it only checks compliance. Option D is wrong because Service Control Policies (SCPs) are the correct mechanism for this, not IAM roles.
What should I do if I get this SAP-C02 question wrong?
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related SAP-C02 NAT questions on configuration and troubleshooting.
What is the key concept behind this question?
Static NAT maps one inside address to one outside address.
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Question Discussion
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