The answer is to configure a DLP policy to detect the credit card number sensitive information type, block the sharing of that data, and notify users when a violation occurs. These three actions form the core enforcement triad in Microsoft Purview DLP: identifying the sensitive content via built-in data classifiers, applying an action to prevent data exfiltration (such as blocking the email), and providing user education through policy tips or notifications. On the Microsoft Cybersecurity Architect exam, this scenario tests your understanding that DLP actions are limited to detection, blocking, and notification—not encryption or auto-labeling, which are separate Purview capabilities. A common trap is confusing DLP enforcement with sensitivity label actions; remember that DLP blocks and alerts, while labels classify and protect. For a quick memory aid, think “Detect, Block, Notify” as the three pillars of a DLP policy action.
SC-100 Practice Question: Design solutions that align with security best practices and priorities
This SC-100 practice question tests your understanding of design solutions that align with security best practices and priorities. 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.
Your company is implementing Microsoft Purview Data Loss Prevention (DLP) to protect sensitive data in Microsoft 365. The compliance team needs to monitor and block the sharing of credit card numbers in emails. Which THREE actions should they configure in a DLP policy?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Notify the user with a policy tip
Correct answers: A, B, C. DLP policies can detect sensitive info types (credit card numbers), block sharing, and notify users. Option D is wrong because encryption is a separate feature, not a DLP action. Option E is wrong because auto-labeling is a classification action, not a DLP enforcement action.
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.
✗
Encrypt the email automatically
Why it's wrong here
Encryption is not a DLP action; it's a separate feature.
✓
Notify the user with a policy tip
Why this is correct
Policy tips educate users about policy violations.
Related concept
Read the scenario before looking for a memorised answer.
✓
Block sharing of emails containing the sensitive data
Why this is correct
DLP can block transmission of sensitive data.
Related concept
Read the scenario before looking for a memorised answer.
✓
Detect sensitive information type (credit card number)
Why this is correct
DLP uses sensitive info types to detect data.
Related concept
Read the scenario before looking for a memorised answer.
✗
Apply a sensitivity label automatically
Why it's wrong here
Auto-labeling is part of Information Protection, not DLP.
Common exam traps
Common exam trap: answer the scenario, not the keyword
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
How to think about this question
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.
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.
Use explanations to understand the rule behind the answer.
TExam Day Tips
→Underline the problem statement mentally.
→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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this SC-100 question in full detail.
Identify which SC-100 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.
Design solutions that align with security best practices and priorities — This question tests Design solutions that align with security best practices and priorities — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Notify the user with a policy tip — Correct answers: A, B, C. DLP policies can detect sensitive info types (credit card numbers), block sharing, and notify users. Option D is wrong because encryption is a separate feature, not a DLP action. Option E is wrong because auto-labeling is a classification action, not a DLP enforcement action.
What should I do if I get this SC-100 question wrong?
Identify which SC-100 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.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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