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

Why Internal Users Can Still Send Sensitive Data via Email Despite DLP Enforce Mode

This SC-900 practice question tests your understanding of describe the capabilities of microsoft compliance solutions. 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

{
  "policyType": "dlp",
  "name": "PCI-DSS Policy",
  "rules": [
    {
      "name": "Credit Card Rule",
      "mode": "enforce",
      "conditions": [
        {
          "conditionType": "contentContainsSensitiveInformation",
          "sensitiveInformationType": "Credit Card Number",
          "minCount": 1
        }
      ],
      "actions": [
        {
          "actionType": "blockAccess",
          "blockLevel": "blockOnlyExternal"
        }
      ]
    }
  ]
}

Refer to the exhibit. You are a compliance administrator managing a DLP policy in Microsoft Purview. The policy is set to 'enforce' mode but you notice that internal users can still share credit card numbers via email to external recipients. 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

{
  "policyType": "dlp",
  "name": "PCI-DSS Policy",
  "rules": [
    {
      "name": "Credit Card Rule",
      "mode": "enforce",
      "conditions": [
        {
          "conditionType": "contentContainsSensitiveInformation",
          "sensitiveInformationType": "Credit Card Number",
          "minCount": 1
        }
      ],
      "actions": [
        {
          "actionType": "blockAccess",
          "blockLevel": "blockOnlyExternal"
        }
      ]
    }
  ]
}

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 action only blocks access to the content from external users, not sharing by internal users

Option D is correct because a DLP policy in 'enforce' mode can still allow internal users to share sensitive data if the policy action is configured to 'block access to content from external users' rather than 'block sharing by internal users'. In Microsoft Purview, the 'block access' action restricts external recipients from viewing the content but does not prevent the internal sender from transmitting the email. To stop internal users from sending, the policy must use the 'block sending' action, which prevents the message from being delivered.

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 policy is in test mode, not enforce mode

    Why it's wrong here

    The exhibit shows mode is 'enforce', so test mode is not the issue.

  • ✗

    The policy is not applied to the user's mailbox

    Why it's wrong here

    The policy applies tenant-wide unless scoped; no scope is shown.

  • ✗

    The condition requires a minimum count of 5

    Why it's wrong here

    The exhibit shows minCount is 1, so any credit card number triggers the rule.

  • ✓

    The action only blocks access to the content from external users, not sharing by internal users

    Why this is correct

    blockOnlyExternal blocks external access but does not prevent internal users from sending to external recipients.

    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.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates assume 'enforce' mode means all sharing is blocked, but they overlook that the action type (block access vs. block sending) determines whether internal users can still send the data externally.

Trap categories for this question

  • Command / output trap

    The exhibit shows mode is 'enforce', so test mode is not the issue.

Detailed technical explanation

How to think about this question

In Microsoft Purview DLP, actions are granular: 'Block access to content from external users' (often used for SharePoint/OneDrive) restricts external viewing but allows internal sharing, while 'Block sending' (for Exchange) prevents the email from being sent. The 'enforce' mode only means the policy is active, not that it blocks all sharing; the specific action determines the behavior. A real-world scenario is a company that wants to allow internal collaboration on credit card data but prevent external exposure, requiring a policy with 'Block sending' for Exchange and 'Block access' for SharePoint/OneDrive.

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 SC-900 question test?

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

What is the correct answer to this question?

The correct answer is: The action only blocks access to the content from external users, not sharing by internal users — Option D is correct because a DLP policy in 'enforce' mode can still allow internal users to share sensitive data if the policy action is configured to 'block access to content from external users' rather than 'block sharing by internal users'. In Microsoft Purview, the 'block access' action restricts external recipients from viewing the content but does not prevent the internal sender from transmitting the email. To stop internal users from sending, the policy must use the 'block sending' action, which prevents the message from being delivered.

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.