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 compliance officer needs to automatically retain all SharePoint documents that contain a specific project code for exactly 5 years. The retention must be applied automatically when the document is uploaded, without any user interaction. Which Microsoft Purview feature should they configure?
Why wrong: DLP policies detect and prevent sharing of sensitive data; they do not automatically retain documents.
B
Sensitivity labels
Why wrong: Sensitivity labels protect and classify data but do not manage retention periods.
C
Retention labels with an auto-apply policy
Retention labels can be configured with auto-apply rules that trigger when documents contain specific keywords, ensuring automatic retention without user action.
D
eDiscovery (Premium)
Why wrong: eDiscovery is used to search, hold, and export content for legal or compliance cases, not for automatic retention based on content.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Retention labels with an auto-apply policy
Retention labels with an auto-apply policy are the correct choice because they allow you to automatically assign a retention label to SharePoint documents based on specific conditions, such as the presence of a project code, and enforce a fixed retention period (e.g., 5 years) without any user interaction. This feature is designed for automated, policy-driven retention based on content properties or sensitive information types.
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 it's wrong here
DLP policies detect and prevent sharing of sensitive data; they do not automatically retain documents.
✗
Sensitivity labels
Why it's wrong here
Sensitivity labels protect and classify data but do not manage retention periods.
✓
Retention labels with an auto-apply policy
Why this is correct
Retention labels can be configured with auto-apply rules that trigger when documents contain specific keywords, ensuring automatic retention without user action.
Related concept
Read the scenario before looking for a memorised answer.
✗
eDiscovery (Premium)
Why it's wrong here
eDiscovery is used to search, hold, and export content for legal or compliance cases, not for automatic retention based on content.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse retention labels (which enforce retention actions) with sensitivity labels (which focus on classification and protection), leading them to choose Option B when the requirement is purely about automated retention duration.
Detailed technical explanation
How to think about this question
Auto-apply retention labels use a policy that evaluates content against a KQL (Keyword Query Language) query or a sensitive information type rule at the time of upload or modification. In this scenario, the policy would be configured with a KQL query like 'projectcode:XYZ123' to match documents containing the specific project code, and the label would enforce a 'retain for 5 years then delete' action. A subtle behavior is that auto-apply policies run on a schedule (typically every 7 days) for existing content, but for new uploads, the label is applied near-instantly via the SharePoint item's metadata crawl.
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-900 question in full detail.
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: Retention labels with an auto-apply policy — Retention labels with an auto-apply policy are the correct choice because they allow you to automatically assign a retention label to SharePoint documents based on specific conditions, such as the presence of a project code, and enforce a fixed retention period (e.g., 5 years) without any user interaction. This feature is designed for automated, policy-driven retention based on content properties or sensitive information types.
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.
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