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Management and Security Governance →hardMultiple ChoiceObjective-mapped

SCS-C02 Service Control Policy (SCP) Conditions Practice Question

This SCS-C02 practice question tests your understanding of management and security governance. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. A key principle to apply: service Control Policy (SCP) Conditions. 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 is using AWS Organizations with a management account and several member accounts. The security team has created an SCP that denies access to all actions for the 'ec2:*' service unless the request comes from a specific VPC endpoint. The SCP is attached to the organization root. However, users in a member account are still able to launch EC2 instances from the AWS Management Console, which does not use a VPC endpoint. The SCP is as follows:

{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Effect": "Deny",
      "Action": "ec2:*",
      "Resource": "*",
      "Condition": {
        "StringNotEquals": {

"aws:sourceVpce": "vpce-12345678"

}
      }
    }
  ]
}

What is the most likely reason the SCP is not preventing the users from launching instances?

Clue words in this question

Noticing these words before you look at the options changes how you read each choice.

  • Clue: "most likely"

    Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.

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

✓

The condition key 'aws:sourceVpce' is not supported in SCPs.

The condition key 'aws:sourceVpce' is supported in SCPs and is a global condition key. The SCP is not preventing the actions because requests from the AWS Management Console do not include the 'aws:sourceVpce' key. When the key is absent, the condition 'StringNotEquals' evaluates to false, so the deny statement does not apply. None of the provided options describe this correctly. Option A is incorrect because SCPs apply to the root user in member accounts. Option B is incorrect because attaching an SCP to the organization root applies it to all member accounts. Option C is incorrect because the condition key is supported. Option D is incorrect because the users are in a member account, and the management account is not affected by SCPs but that's not the issue here.

Key principle: Service Control Policy (SCP) Conditions

Answer analysis

Option-by-option breakdown

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

  • ✗

    The SCP is not applied to the root user in the member account.

    Why it's wrong here

    The SCP is not applied to the root user in the member account. This is incorrect because SCPs apply to all principals, including the root user, in member accounts.

  • ✗

    The SCP is attached to the organization root but not to the member account.

    Why it's wrong here

    The SCP is attached to the organization root but not to the member account. This is incorrect because an SCP attached to the organization root applies to all accounts under it, including the member account.

  • ✓

    The condition key 'aws:sourceVpce' is not supported in SCPs.

    Why this is correct

    The condition key 'aws:sourceVpce' is not supported in SCPs. This is incorrect because 'aws:sourceVpce' is a global condition key and is fully supported in SCPs.

    Clue confirmation

    The clue word "most likely" in the question point toward this answer.

    Related concept

    Service Control Policy (SCP) Conditions

  • ✗

    The management account is not affected by SCPs, and the users are using the management account.

    Why it's wrong here

    The management account is not affected by SCPs, and the users are using the management account. This is incorrect because the users are in a member account, and the management account is not affected by SCPs but that is not relevant here.

Common exam traps

Common exam trap: answer the scenario, not the keyword

Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.

Detailed technical explanation

How to think about this question

Treat this as a scenario question. Identify the problem, the constraint, and the best action. Then compare each option against those facts.

KKey Concepts to Remember

  • Service Control Policy (SCP) Conditions
  • StringNotEquals Evaluation

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

Service Control Policy (SCP) Conditions

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 service Control Policy (SCP) Conditions, then practise related SCS-C02 questions on the same topic to reinforce the concept.

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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 — Service Control Policy (SCP) Conditions.

What is the correct answer to this question?

The correct answer is: The condition key 'aws:sourceVpce' is not supported in SCPs. — The condition key 'aws:sourceVpce' is supported in SCPs and is a global condition key. The SCP is not preventing the actions because requests from the AWS Management Console do not include the 'aws:sourceVpce' key. When the key is absent, the condition 'StringNotEquals' evaluates to false, so the deny statement does not apply. None of the provided options describe this correctly. Option A is incorrect because SCPs apply to the root user in member accounts. Option B is incorrect because attaching an SCP to the organization root applies it to all member accounts. Option C is incorrect because the condition key is supported. Option D is incorrect because the users are in a member account, and the management account is not affected by SCPs but that's not the issue here.

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

Review service Control Policy (SCP) Conditions, then practise related SCS-C02 questions on the same topic to reinforce the concept.

Are there clue words in this question I should notice?

Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.

What is the key concept behind this question?

Service Control Policy (SCP) Conditions

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Last reviewed: Jun 20, 2026

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This SCS-C02 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 SCS-C02 exam.