Question 939 of 1,411

Quick Answer

The correct answer is that the policy blocks sign-ins that have a high sign-in risk level. This is because the Conditional Access sign-in risk policy in Microsoft Entra ID evaluates the real-time probability that a given authentication attempt is not legitimate, based on signals like anonymous IP addresses or atypical travel. When the policy is configured to target “High” sign-in risk, it triggers the assigned control—in this case, “Block access”—only for those sessions flagged as high risk, leaving low and medium risk sign-ins unaffected. On the SC-900 exam, this concept tests your ability to distinguish between user risk (which involves compromised accounts) and sign-in risk (which focuses on the session itself), a common trap where candidates confuse the two. Remember the memory tip: “Sign-in risk is about the session’s suspicion; user risk is about the account’s condition.”

SC-900 Practice Question: Describe the concepts of security, compliance, and identity

This SC-900 practice question tests your understanding of describe the concepts of security, compliance, and identity. 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.

Exhibit

Refer to the exhibit.
```json
{
  "properties": {
    "displayName": "Block high-risk sign-ins",
    "state": "enabled",
    "conditions": {
      "userRiskLevels": [],
      "signInRiskLevels": ["high"]
    },
    "grantControls": {
      "builtInControls": ["block"]
    }
  }
}
```

You are reviewing a Conditional Access policy configuration in Microsoft Entra ID. Based on the exhibit, what is the effect of this policy?

Question 1hardmultiple choice
Full question →

Exhibit

Refer to the exhibit.
```json
{
  "properties": {
    "displayName": "Block high-risk sign-ins",
    "state": "enabled",
    "conditions": {
      "userRiskLevels": [],
      "signInRiskLevels": ["high"]
    },
    "grantControls": {
      "builtInControls": ["block"]
    }
  }
}
```

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

Blocks sign-ins that have a high sign-in risk level

Option C is correct. The policy blocks sign-ins with high sign-in risk level. Option A is wrong because user risk level is empty. Option B is wrong because it does not require MFA. Option D is wrong because it only blocks high risk, not all.

Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.

Answer analysis

Option-by-option breakdown

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

  • Blocks sign-ins for users with high user risk

    Why it's wrong here

    UserRiskLevels is empty; only signInRiskLevels is set.

  • Blocks sign-ins that have a high sign-in risk level

    Why this is correct

    The policy blocks when signInRiskLevels is high.

    Related concept

    Read the scenario before looking for a memorised answer.

  • Blocks all sign-ins for the assigned users

    Why it's wrong here

    Only high-risk sign-ins are blocked.

  • Requires multi-factor authentication for high-risk sign-ins

    Why it's wrong here

    Grant controls are set to block, not MFA.

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

This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.

KKey Concepts to Remember

  • Read the scenario before looking for a memorised answer.
  • Find the constraint that changes the correct option.
  • Eliminate answers that are true in general but not in this case.
  • Use explanations to understand the rule behind the answer.

TExam Day Tips

  • Underline the problem statement mentally.
  • 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

Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.

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.

Identify which SC-900 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.

Related practice questions

Related SC-900 practice-question pages

Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.

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FAQ

Questions learners often ask

What does this SC-900 question test?

Describe the concepts of security, compliance, and identity — This question tests Describe the concepts of security, compliance, and identity — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Blocks sign-ins that have a high sign-in risk level — Option C is correct. The policy blocks sign-ins with high sign-in risk level. Option A is wrong because user risk level is empty. Option B is wrong because it does not require MFA. Option D is wrong because it only blocks high risk, not all.

What should I do if I get this SC-900 question wrong?

Identify which SC-900 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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Last reviewed: Jun 21, 2026

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This SC-900 practice question is part of Courseiva's free Microsoft 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 SC-900 exam.