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Describe Microsoft 365 apps and services →hardMultiple ChoiceObjective-mapped

MS-900 Describe Microsoft 365 apps and services Practice Question

This MS-900 practice question tests your understanding of describe microsoft 365 apps and services. 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
{
  "version": "1.0",
  "rules": [
    {
      "name": "Block sensitive data sharing",
      "condition": {
        "sensitiveInformationTypes": [
          {
            "id": "Credit Card Number",
            "confidenceLevel": "high"
          }
        ]
      },
      "actions": {
        "blockAccess": true,
        "notifyUser": true
      }
    }
  ]
}
```

Refer to the exhibit. An admin creates a Microsoft Purview Data Loss Prevention (DLP) policy rule as shown. When will the rule block access?

Question 1hardmultiple choice
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Exhibit

Refer to the exhibit.
```json
{
  "version": "1.0",
  "rules": [
    {
      "name": "Block sensitive data sharing",
      "condition": {
        "sensitiveInformationTypes": [
          {
            "id": "Credit Card Number",
            "confidenceLevel": "high"
          }
        ]
      },
      "actions": {
        "blockAccess": true,
        "notifyUser": true
      }
    }
  ]
}
```

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

✓

When a credit card number is detected with high confidence

The rule is configured with a condition that triggers when a credit card number is detected with a confidence level of 'high'. The action 'Block access' is set to execute when this condition is met. Therefore, the rule blocks access specifically when a credit card number is detected with high confidence, making option A correct.

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.

  • ✓

    When a credit card number is detected with high confidence

    Why this is correct

    The condition specifies credit card number with high confidence.

    Related concept

    Read the scenario before looking for a memorised answer.

  • ✗

    When the document is shared externally

    Why it's wrong here

    The condition is based on content, not sharing context.

  • ✗

    When any sensitive information type is detected

    Why it's wrong here

    Only credit card numbers with high confidence trigger the rule.

  • ✗

    Never, because the rule is not applied to any location

    Why it's wrong here

    The rule is defined but location scope is not shown; typically it's applied.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates may assume the rule blocks access whenever a sensitive information type is detected, overlooking the specific confidence level requirement, or they might think the rule is not applied to any location without verifying the exhibit's location configuration.

Trap categories for this question

  • Command / output trap

    The rule is defined but location scope is not shown; typically it's applied.

Detailed technical explanation

How to think about this question

In Microsoft Purview DLP, confidence levels (low, medium, high) are based on the proximity and number of supporting evidence (e.g., keywords, patterns) around the detected sensitive information type. A 'high' confidence level typically requires multiple corroborating clues, reducing false positives. The rule's action is triggered only when the condition (credit card number with high confidence) is met, not by the mere presence of the sensitive type at a lower confidence level.

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 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 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 MS-900 question test?

Describe Microsoft 365 apps and services — This question tests Describe Microsoft 365 apps and services — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: When a credit card number is detected with high confidence — The rule is configured with a condition that triggers when a credit card number is detected with a confidence level of 'high'. The action 'Block access' is set to execute when this condition is met. Therefore, the rule blocks access specifically when a credit card number is detected with high confidence, making option A correct.

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

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

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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Last reviewed: Jun 24, 2026

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This MS-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 MS-900 exam.