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Question 943 of 1,748

Management and Security Governance →mediumMultiple ChoiceObjective-mapped

SCS-C02 Management and Security Governance Practice Question

This SCS-C02 practice question tests your understanding of management and security governance. 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 uses AWS Organizations with multiple accounts. The security team wants to prevent all users in the production account from disabling AWS CloudTrail or modifying its configuration. What is the MOST effective way to achieve this?

A
Use IAM policies to deny only cloudtrail:DeleteTrail for all users.
Why wrong: Denying only cloudtrail:DeleteTrail is insufficient because it still allows other modifications like StopLogging or UpdateTrail.
B
Enable CloudTrail log file validation and use AWS Config to detect changes.
Why wrong: CloudTrail log file validation and AWS Config are detective controls, not preventive, and do not stop users from making changes.
C
Create an SCP in AWS Organizations that denies cloudtrail:StopLogging, cloudtrail:DeleteTrail, cloudtrail:UpdateTrail, and similar actions.
An SCP applied to the production account can deny specific CloudTrail actions across all principals, including the root user, providing effective prevention.
D
Attach an IAM permissions boundary to all IAM roles in the production account that denies CloudTrail modifications.
Why wrong: IAM permissions boundaries are attached to IAM entities and do not apply to all users (e.g., the root user) and can be overridden by an explicit allow; SCPs provide stronger account-wide enforcement.

Full breakdown with real-world context →

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

✓

Create an SCP in AWS Organizations that denies cloudtrail:StopLogging, cloudtrail:DeleteTrail, cloudtrail:UpdateTrail, and similar actions.

Option C is correct because an SCP applied to the production account can deny specific CloudTrail actions across all principals in the account, including the root user. Option A is insufficient because denying only cloudtrail:DeleteTrail still allows other modifications like cloudtrail:StopLogging or cloudtrail:UpdateTrail. Option B is detective, not preventive, and does not stop users from making changes. Option D, IAM permissions boundaries, are attached to IAM entities but do not apply to all users (e.g., the root user) and can be overridden by an explicit allow; SCPs provide stronger account-wide enforcement.

Key principle: ACLs process entries top to bottom and stop at the first match. Entry order and interface direction matter as much as the permit or deny statement.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

✗
Use IAM policies to deny only cloudtrail:DeleteTrail for all users.
Why it's wrong here
Denying only cloudtrail:DeleteTrail is insufficient because it still allows other modifications like StopLogging or UpdateTrail.
✗
Enable CloudTrail log file validation and use AWS Config to detect changes.
Why it's wrong here
CloudTrail log file validation and AWS Config are detective controls, not preventive, and do not stop users from making changes.
✓
Create an SCP in AWS Organizations that denies cloudtrail:StopLogging, cloudtrail:DeleteTrail, cloudtrail:UpdateTrail, and similar actions.
Why this is correct
An SCP applied to the production account can deny specific CloudTrail actions across all principals, including the root user, providing effective prevention.
Related concept
Standard ACLs match source addresses.
✗
Attach an IAM permissions boundary to all IAM roles in the production account that denies CloudTrail modifications.
Why it's wrong here
IAM permissions boundaries are attached to IAM entities and do not apply to all users (e.g., the root user) and can be overridden by an explicit allow; SCPs provide stronger account-wide enforcement.

Common exam traps

Common exam trap: ACLs stop at the first match

ACLs are processed top to bottom. The first matching entry wins, and an implicit deny usually exists at the end.

Detailed technical explanation

How to think about this question

ACL questions test precision: source, destination, protocol, port and direction. A generally correct ACL can still fail if it is applied on the wrong interface or in the wrong direction.

KKey Concepts to Remember

Standard ACLs match source addresses.
Extended ACLs can match source, destination, protocol and ports.
The first matching ACL entry is used.
There is usually an implicit deny at the end.

TExam Day Tips

Check inbound versus outbound direction.
Read the ACL from top to bottom.
Look for a broader permit or deny above the intended line.

Key takeaway

ACLs process entries top to bottom and stop at the first match. Entry order and interface direction matter as much as the permit or deny statement.

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 ACL processing order, placement rules (standard near destination, extended near source), and inbound vs outbound direction. Study wildcard masks and implicit deny. Then practise related SCS-C02 ACL questions on filtering logic and placement.

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FAQ

Questions learners often ask

What does this SCS-C02 question test?

Management and Security Governance — This question tests Management and Security Governance — Standard ACLs match source addresses..

What is the correct answer to this question?

The correct answer is: Create an SCP in AWS Organizations that denies cloudtrail:StopLogging, cloudtrail:DeleteTrail, cloudtrail:UpdateTrail, and similar actions. — Option C is correct because an SCP applied to the production account can deny specific CloudTrail actions across all principals in the account, including the root user. Option A is insufficient because denying only cloudtrail:DeleteTrail still allows other modifications like cloudtrail:StopLogging or cloudtrail:UpdateTrail. Option B is detective, not preventive, and does not stop users from making changes. Option D, IAM permissions boundaries, are attached to IAM entities but do not apply to all users (e.g., the root user) and can be overridden by an explicit allow; SCPs provide stronger account-wide enforcement.

What should I do if I get this SCS-C02 question wrong?

What is the key concept behind this question?

Standard ACLs match source addresses.

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