- A
Microsoft Purview Information Protection
Why wrong: Incorrect. Information Protection focuses on classifying and protecting data with labels and encryption, but does not automatically block outbound emails based on content.
- B
Microsoft Purview Data Loss Prevention (DLP)
Correct. DLP policies can identify sensitive information types (e.g., health records) and enforce actions like blocking the email and sending a policy tip to the sender.
- C
Microsoft Purview Insider Risk Management
Why wrong: Incorrect. Insider Risk Management detects patterns of risky user behavior but does not automatically block outbound communications based on content.
- D
Microsoft Purview Audit
Why wrong: Incorrect. Audit logs user and admin activities but does not prevent data leakage through email.
MS-900 Practice Question: Describe security, compliance, privacy, and trust in Microsoft 365
This MS-900 practice question tests your understanding of describe security, compliance, privacy, and trust in microsoft 365. 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.
A healthcare provider must ensure that patient health information (PHI) is not accidentally shared outside the organization. They want to automatically detect if an email contains PHI (such as diagnosis codes) and block it from being sent externally. Additionally, the sender should receive a notification explaining the block. Which Microsoft Purview solution should be configured?
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
Microsoft Purview Data Loss Prevention (DLP)
Microsoft Purview Data Loss Prevention (DLP) is the correct solution because it is specifically designed to detect sensitive information—such as patient health information (PHI) with diagnosis codes—in emails and automatically block external transmission while sending a notification to the sender. DLP policies can be configured with sensitive information types (e.g., HIPAA-defined PHI patterns) and rules to enforce actions like blocking and policy tips.
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.
- ✗
Microsoft Purview Information Protection
Why it's wrong here
Incorrect. Information Protection focuses on classifying and protecting data with labels and encryption, but does not automatically block outbound emails based on content.
- ✓
Microsoft Purview Data Loss Prevention (DLP)
Why this is correct
Correct. DLP policies can identify sensitive information types (e.g., health records) and enforce actions like blocking the email and sending a policy tip to the sender.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Microsoft Purview Insider Risk Management
Why it's wrong here
Incorrect. Insider Risk Management detects patterns of risky user behavior but does not automatically block outbound communications based on content.
- ✗
Microsoft Purview Audit
Why it's wrong here
Incorrect. Audit logs user and admin activities but does not prevent data leakage through email.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse Information Protection (labeling) with DLP (enforcement), assuming that applying a sensitivity label alone will block external sharing, when in fact DLP is required to enforce the block and notification action.
Detailed technical explanation
How to think about this question
Under the hood, DLP policies in Microsoft Purview use the Sensitive Information Type engine, which scans email content and attachments for patterns like ICD-10-CM diagnosis codes (e.g., using regex patterns defined in the HIPAA content pack). When a match occurs, the Exchange Online transport rule engine enforces the action (e.g., 'Block' with a rejection message) before the message leaves the organization, leveraging the same infrastructure as mail flow rules. A subtle behavior is that DLP can also apply 'Override with justification' or 'False positive' options, but the question specifies automatic blocking without user override.
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 cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
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 security, compliance, privacy, and trust in Microsoft 365 — This question tests Describe security, compliance, privacy, and trust in Microsoft 365 — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Microsoft Purview Data Loss Prevention (DLP) — Microsoft Purview Data Loss Prevention (DLP) is the correct solution because it is specifically designed to detect sensitive information—such as patient health information (PHI) with diagnosis codes—in emails and automatically block external transmission while sending a notification to the sender. DLP policies can be configured with sensitive information types (e.g., HIPAA-defined PHI patterns) and rules to enforce actions like blocking and policy tips.
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.
About these practice questions
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Last reviewed: Jun 11, 2026
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.
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