ANS-C01 Network Security, Compliance and Governance Practice Question
A company uses AWS CloudFormation to deploy resources. The security team wants to ensure that no IAM user can modify the stack set if they are not authorized via a specific IAM policy. Which feature 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
✓
Service control policy (SCP) in AWS Organizations
Service control policies (SCPs) in AWS Organizations can be used to centrally deny CloudFormation stack set modifications at the organization, OU, or account level, ensuring that only authorized IAM policies can allow such actions. Option A is wrong because AWS Config rules with remediation only detect and automatically fix noncompliant resources, not prevent modifications. Option B is wrong because CloudFormation stack policies protect resources within a stack (e.g., prevent deletion), not control who can update the stack set. Option D is wrong because IAM permissions boundaries set the maximum permissions for an IAM user or role, but they do not provide a global deny across accounts like SCPs do.
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 Config rule with remediation
Why it's wrong here
Reacts to changes but does not prevent them.
- ✗
CloudFormation stack policy
Why it's wrong here
Protects resources from updates, not who can update.
- ✓
Service control policy (SCP) in AWS Organizations
Why this is correct
Can deny CloudFormation actions across accounts.
- ✗
IAM permissions boundary
Why it's wrong here
Sets maximum permissions but does not prevent modification by authorized users.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This ANS-C01 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 ANS-C01 exam.