MS-102 Manage compliance by using Microsoft Purview Practice Question
An organization is involved in a legal case and needs to preserve all emails in a user's mailbox, including future emails, without deleting or modifying them. The user must continue to work normally. Which Microsoft Purview feature should be applied to the user's mailbox?
⚠ Common exam trap
Microsoft often tests the distinction between Litigation Hold and Retention Policy, where candidates mistakenly choose Retention Policy because they think it 'retains' data, but they miss that Retention Policy can delete data after a period, whereas Litigation Hold preserves everything indefinitely without deletion.
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
✓
Litigation Hold
Litigation Hold (option A) is the correct feature because it preserves all mailbox content, including future emails, in its original state without allowing deletion or modification by users or automated processes. Unlike a retention policy, Litigation Hold places the entire mailbox on indefinite hold, ensuring that any item changed or deleted by the user is retained in the Recoverable Items folder, while the user continues to work normally. This meets the legal preservation requirement without disrupting daily operations.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Litigation Hold
Why this is correct
Litigation Hold is the correct choice because it preserves all mailbox content in its original state, including items that users edit or delete, by placing the entire mailbox on hold within the Recoverable Items folder. This in-place hold suspends the normal purging of deleted items and version tracking, allowing legal teams to review everything via eDiscovery without disrupting user workflows. Unlike other options, Litigation Hold is specifically designed to meet legal preservation obligations and can be applied to a user's entire mailbox or specific folders.
- ✗
Retention policy
Why it's wrong here
Retention policy is incorrect because its purpose is to enforce defined lifecycle rules that automatically retain items for a specified period and then delete them, based on age or other criteria. Such policies do not indefinitely preserve a mailbox for legal discovery; instead, they can permanently remove emails after the retention window expires. In Exchange Online, retention policies are implemented via Managed Folder Assistance or Microsoft 365 retention policies, but they are not a substitute for a Litigation Hold, which overrides deletion behavior during legal matters.
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Sensitivity label
Why it's wrong here
Sensitivity label is incorrect because it focuses on classifying and protecting data through encryption, visual markings, and rights management, not on preserving content from deletion. Labels can restrict access or apply permissions to emails, but they have no effect on the underlying mailbox item lifecycle or retention behavior, so deleted emails remain deleted. In Microsoft 365, sensitivity labels are metadata applied to documents and messages, and they do not interact with eDiscovery holds or the Recoverable Items folder.
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Data Loss Prevention (DLP)
Why it's wrong here
Data Loss Prevention (DLP) is incorrect because it is designed to detect and block the unintended sharing of sensitive information, such as credit card numbers or personally identifiable information, in email and other workloads. DLP policies scan content in transit and at rest, and can trigger actions like blocking messages or applying encryption, but they do not stop mailbox items from being deleted or preserve them for legal discovery. A DLP policy is an enforcement control, not a preservation or holds mechanism, so it cannot satisfy a legal requirement to retain all emails.
Go deeper
Related to this question
Learn chapter
Microsoft 365 Tenant Setup
Key term
Mailbox
A mailbox is a storage location on a mail server where incoming and outgoing email messages are kept for a user or group.
Key term
Retention policy
A retention policy is a set of rules that determines how long an organization keeps its data and what happens to it when the retention period expires.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This MS-102 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-102 exam.