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Describe the capabilities of Microsoft security solutions →hardMultiple ChoiceObjective-mapped

SC-900 Practice Question: Describe the capabilities of Microsoft security solutions

This SC-900 practice question tests your understanding of describe the capabilities of microsoft security solutions. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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

{
  "properties": {
    "displayName": "Require MFA for Azure Management",
    "policyType": "Custom",
    "mode": "All",
    "policyRule": {
      "if": {
        "allOf": [
          {
            "field": "type",
            "equals": "Microsoft.Authorization/roleAssignments"
          },
          {
            "field": "Microsoft.Authorization/roleAssignments/roleDefinitionId",
            "equals": "[parameters('managementRoles')]"
          }
        ]
      },
      "then": {
        "effect": "auditIfNotExists",
        "details": {
          "type": "Microsoft.Authorization/roleAssignments",
          "existenceCondition": {
            "field": "Microsoft.Authorization/roleAssignments/principalId",
            "in": "[parameters('mfaEnabledPrincipals')]"
          }
        }
      }
    },
    "parameters": {
      "managementRoles": {
        "type": "Array",
        "defaultValue": ["8e3af657-a8ff-443c-a75c-2fe8c4bcb635"]
      },
      "mfaEnabledPrincipals": {
        "type": "Array"
      }
    }
  }
}

Refer to the exhibit. You are evaluating a custom Azure Policy definition. The policy is intended to audit whether users assigned to a management role have MFA enabled. However, the policy is not triggering alerts for non-compliant users. What is the most likely cause?

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.

Exhibit

{
  "properties": {
    "displayName": "Require MFA for Azure Management",
    "policyType": "Custom",
    "mode": "All",
    "policyRule": {
      "if": {
        "allOf": [
          {
            "field": "type",
            "equals": "Microsoft.Authorization/roleAssignments"
          },
          {
            "field": "Microsoft.Authorization/roleAssignments/roleDefinitionId",
            "equals": "[parameters('managementRoles')]"
          }
        ]
      },
      "then": {
        "effect": "auditIfNotExists",
        "details": {
          "type": "Microsoft.Authorization/roleAssignments",
          "existenceCondition": {
            "field": "Microsoft.Authorization/roleAssignments/principalId",
            "in": "[parameters('mfaEnabledPrincipals')]"
          }
        }
      }
    },
    "parameters": {
      "managementRoles": {
        "type": "Array",
        "defaultValue": ["8e3af657-a8ff-443c-a75c-2fe8c4bcb635"]
      },
      "mfaEnabledPrincipals": {
        "type": "Array"
      }
    }
  }
}

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 'mfaEnabledPrincipals' parameter is not populated with the list of MFA-enabled users.

Option A is correct because the policy definition includes a parameter named 'mfaEnabledPrincipals' that must be populated with the list of user object IDs who have MFA enabled. If this parameter is empty or not provided, the 'auditIfNotExists' effect cannot evaluate any users against the expected MFA status, resulting in no non-compliant alerts being triggered. Azure Policy relies on explicit parameter values to define the baseline for compliance evaluation.

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.

  • ✓

    The 'mfaEnabledPrincipals' parameter is not populated with the list of MFA-enabled users.

    Why this is correct

    Without this parameter, the existenceCondition cannot evaluate compliance.

    Clue confirmation

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

    Related concept

    Read the scenario before looking for a memorised answer.

  • ✗

    The policy mode is set to 'All' instead of 'Indexed'.

    Why it's wrong here

    'All' mode is correct for role assignments.

  • ✗

    The policy only evaluates role assignments of type 'Microsoft.Authorization/roleAssignments' but not users.

    Why it's wrong here

    The policy correctly evaluates role assignments.

  • ✗

    The effect 'auditIfNotExists' should be 'deny' to trigger alerts.

    Why it's wrong here

    Audit effect does trigger compliance alerts; deny would block assignments.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates assume the policy will automatically detect MFA status from Azure AD, but Azure Policy requires explicit parameter input to define the compliant state, and failing to populate that parameter silently disables the audit.

Detailed technical explanation

How to think about this question

Azure Policy uses the 'auditIfNotExists' effect to check for the existence of a related resource or configuration (in this case, whether a user's object ID appears in the 'mfaEnabledPrincipals' list). The parameter must be populated with the exact object IDs of users who have MFA enabled, typically retrieved via Azure AD PowerShell or Graph API. If the parameter is left empty, the policy evaluates all users as missing the required 'existence' condition, but since no baseline is defined, no non-compliant results are generated.

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.

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

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 media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.

What to study next

Got this wrong? Here's your next step.

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

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FAQ

Questions learners often ask

What does this SC-900 question test?

Describe the capabilities of Microsoft security solutions — This question tests Describe the capabilities of Microsoft security solutions — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: The 'mfaEnabledPrincipals' parameter is not populated with the list of MFA-enabled users. — Option A is correct because the policy definition includes a parameter named 'mfaEnabledPrincipals' that must be populated with the list of user object IDs who have MFA enabled. If this parameter is empty or not provided, the 'auditIfNotExists' effect cannot evaluate any users against the expected MFA status, resulting in no non-compliant alerts being triggered. Azure Policy relies on explicit parameter values to define the baseline for compliance evaluation.

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

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

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?

Read the scenario before looking for a memorised answer.

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Last reviewed: Jul 4, 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.