The answer is a Microsoft Purview Data Loss Prevention (DLP) policy. This is the correct choice because a DLP policy is specifically designed to detect sensitive data like credit card numbers and enforce actions such as blocking the email while simultaneously displaying a policy tip in Outlook, which directly fulfills the compliance officer’s requirement to prevent the send and notify the user. On the Microsoft 365 Administrator MS-102 exam, this scenario tests your understanding of how DLP policies apply to email transport rules, and a common trap is confusing DLP with Microsoft Purview Message Encryption or Exchange mail flow rules—remember that only DLP natively supports both the block action and the client-side policy tip in Outlook. A useful memory tip is "DLP blocks and tips," linking the two key outcomes: blocking the email and showing the tip.
MS-102 Manage compliance by using Microsoft Purview Practice Question
This MS-102 practice question tests your understanding of manage compliance by using microsoft purview. Examine the command output carefully: the correct answer depends on what the output actually shows, not on general recall alone. 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 compliance officer needs to prevent users from sending emails that contain credit card numbers to external recipients. When a user attempts to send such an email, the action should be blocked and a policy tip should be displayed in Outlook telling them why the email was blocked. Which Microsoft Purview solution should be configured?
DLP policies can identify, monitor, and protect sensitive data across Exchange Online, SharePoint, and OneDrive. They support policy tips and blocking actions.
B
Retention label policy
Why wrong: Retention labels manage data retention and disposal, not real-time blocking of data transmission.
C
Microsoft Purview Information Protection sensitivity label
Why wrong: Sensitivity labels classify and protect data but do not inherently block email sending based on content; DLP is required for enforcement.
D
Compliance Manager
Why wrong: Compliance Manager helps track compliance posture and actions, but does not enforce data blocking policies.
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) policy
A Data Loss Prevention (DLP) policy in Microsoft Purview is designed to detect and block sensitive information, such as credit card numbers, from being sent to external recipients. When configured with a 'Block' action and a policy tip, it prevents the email from being sent and displays a customizable notification in Outlook explaining the reason. This directly meets the compliance officer's requirement to block the email and show a policy tip.
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.
✓
Data Loss Prevention (DLP) policy
Why this is correct
DLP policies can identify, monitor, and protect sensitive data across Exchange Online, SharePoint, and OneDrive. They support policy tips and blocking actions.
Related concept
Read the scenario before looking for a memorised answer.
✗
Retention label policy
Why it's wrong here
Retention labels manage data retention and disposal, not real-time blocking of data transmission.
✗
Microsoft Purview Information Protection sensitivity label
Why it's wrong here
Sensitivity labels classify and protect data but do not inherently block email sending based on content; DLP is required for enforcement.
✗
Compliance Manager
Why it's wrong here
Compliance Manager helps track compliance posture and actions, but does not enforce data blocking policies.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse sensitivity labels (which classify and protect data) with DLP policies (which enforce actions like blocking based on content inspection), leading them to choose Option C because they think labeling alone can block emails.
Detailed technical explanation
How to think about this question
DLP policies in Microsoft Purview use sensitive information types (SITs) like 'Credit Card Number' (which matches the regex pattern for major credit card issuers and validates with the Luhn algorithm) to scan email content and attachments. When a policy is set to 'Block' with a policy tip, the Exchange Online transport rule engine intercepts the message before it leaves the organization, preventing delivery and showing the tip via the Outlook client or Outlook on the web. A subtle behavior is that policy tips only appear in supported Outlook clients (e.g., Outlook for Windows, Mac, web) and not in third-party email clients unless using Exchange mail flow rules.
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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this MS-102 question in full detail.
Manage compliance by using Microsoft Purview — This question tests Manage compliance by using Microsoft Purview — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Data Loss Prevention (DLP) policy — A Data Loss Prevention (DLP) policy in Microsoft Purview is designed to detect and block sensitive information, such as credit card numbers, from being sent to external recipients. When configured with a 'Block' action and a policy tip, it prevents the email from being sent and displays a customizable notification in Outlook explaining the reason. This directly meets the compliance officer's requirement to block the email and show a policy tip.
What should I do if I get this MS-102 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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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 compliance officer needs to prevent users from sending emails that contain social security numbers to external recipients. When a user attempts to send such an email from Outlook, the email should be blocked and a policy tip should be displayed explaining why the email was blocked. Which Microsoft Purview solution should the officer configure?
medium
✓ A.Data Loss Prevention (DLP) policy
B.Sensitivity labels
C.Communication compliance
D.eDiscovery
Why A: A Data Loss Prevention (DLP) policy in Microsoft Purview is designed to detect sensitive information, such as social security numbers, in emails and enforce actions like blocking the message and displaying a policy tip. This meets the compliance officer's requirement to prevent external sending of sensitive data while providing user notification.
Variation 2. A compliance officer needs to prevent users from sending emails that contain sensitive information, such as social security numbers, to external recipients. If a user attempts to send such an email, the action should be blocked and a policy tip should be displayed to the user. Which Microsoft Purview solution should the officer configure?
medium
✓ A.Data Loss Prevention (DLP) policy
B.sensitivity label with encryption
C.Information Rights Management (IRM)
D.retention label with deletion
Why A: A Data Loss Prevention (DLP) policy in Microsoft Purview is designed to inspect email content for sensitive information (e.g., social security numbers) and can block the message while displaying a policy tip to the user. This matches the requirement exactly, as DLP policies enforce actions on data in transit (email) with user notifications.
Variation 3. A compliance officer needs to prevent users from sharing emails that contain credit card numbers with external recipients. When a user attempts to send such an email, it should be blocked immediately, and a policy tip should notify the user. Which Microsoft Purview solution should the officer configure?
easy
✓ A.Data Loss Prevention (DLP) policy
B.sensitivity label
C.retention label
D.An information barrier policy
Why A: A Data Loss Prevention (DLP) policy is the correct solution because it is specifically designed to detect sensitive information, such as credit card numbers, in transit (e.g., email) and enforce actions like blocking the message and displaying a policy tip to the user. DLP policies use sensitive information types (e.g., Credit Card Number) and rules to inspect content in Exchange Online, SharePoint, OneDrive, and Teams, allowing real-time blocking with user notification. This directly meets the compliance officer's requirement to prevent external sharing and provide immediate feedback.
Variation 4. A compliance officer wants to prevent users from sending emails that contain personally identifiable information (PII), such as social security numbers, to external recipients. If a user attempts to send such an email from Outlook, the email should be blocked and a policy tip explaining the block should be displayed. Which Microsoft Purview solution should the officer configure?
easy
✓ A.Microsoft Purview Data Loss Prevention (DLP) policy
B.Microsoft Purview Information Protection sensitivity label
C.Microsoft Purview Records Management retention label
D.Microsoft Purview eDiscovery case
Why A: Microsoft Purview Data Loss Prevention (DLP) policies are specifically designed to detect and block sensitive information, such as PII (e.g., social security numbers), in transit. When a DLP rule matches, it can block the email and display a policy tip in Outlook, informing the user why the message was blocked. This meets the compliance officer's requirement to prevent external sending of PII with real-time user notification.
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