Quick Answer
The answer is Data Loss Prevention (DLP) in Microsoft Purview. DLP policies are specifically designed to automatically detect and prevent accidental sharing of sensitive data in Teams messages by scanning content in real time against predefined or custom sensitive information types, such as credit card numbers or health records, and blocking or warning users before the message is sent. On the SC-900 exam, this question tests your ability to distinguish between Purview solutions that offer proactive prevention versus those that handle classification or discovery after the fact. A common trap is confusing DLP with sensitivity labels, which only apply persistent protection and do not block sharing in the moment, or with retention policies, which manage data lifecycle but not transmission. Remember the memory tip: DLP stands for “Don’t Leak Privately”—it’s the only tool that stops sensitive data from leaving your organization in real time.
This SC-900 practice question tests your understanding of describe the capabilities of microsoft compliance solutions. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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.
Your organization needs to automatically detect and prevent accidental sharing of sensitive data in Microsoft Teams messages. Which Microsoft Purview solution should you use?
Retention policies
Why wrong: Retention policies manage data lifecycle, not real-time data loss prevention.
Data Loss Prevention (DLP)
DLP policies can detect sensitive data in transit and block sharing in Teams messages.
eDiscovery
Why wrong: eDiscovery is for content search and export, not prevention.
Sensitivity labels
Why wrong: Sensitivity labels classify and protect content but do not automatically prevent sharing in real-time.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Data Loss Prevention (DLP)
Data Loss Prevention (DLP) policies in Microsoft Purview can detect and prevent accidental sharing of sensitive information in Teams messages. Option B is correct. Sensitivity labels and retention policies do not provide real-time prevention. eDiscovery is for search and export, not prevention.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Retention policies
Why it's wrong here
Retention policies manage data lifecycle, not real-time data loss prevention.
Data Loss Prevention (DLP)
Why this is correct
DLP policies can detect sensitive data in transit and block sharing in Teams messages.
Related concept
Read the scenario before looking for a memorised answer.
eDiscovery
Why it's wrong here
eDiscovery is for content search and export, not prevention.
Sensitivity labels
Why it's wrong here
Sensitivity labels classify and protect content but do not automatically prevent sharing in real-time.
Common exam traps
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
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.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
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
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.
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FAQ
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..
The correct answer is: Data Loss Prevention (DLP) — Data Loss Prevention (DLP) policies in Microsoft Purview can detect and prevent accidental sharing of sensitive information in Teams messages. Option B is correct. Sensitivity labels and retention policies do not provide real-time prevention. eDiscovery is for search and export, not prevention.
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.
Read the scenario before looking for a memorised answer.
About these practice questions
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Same concept, more angles
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. A company wants to prevent employees from accidentally sharing a document containing personally identifiable information (PII) with external users. The document is stored in OneDrive for Business. Which Microsoft Purview solution should they use?
easyWhy D: Data Loss Prevention (DLP) policies in Microsoft Purview can detect sensitive content and block sharing with external users. Information Protection labels can classify but rely on DLP to enforce restrictions. Communication Compliance monitors communications. Audit logs record sharing events but do not prevent them.
Last reviewed: Jun 21, 2026
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.
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