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 legal department requires that when an employee deletes any email message in Exchange Online that is related to active litigation, the message must be automatically retained for an additional 5 years after deletion. The retention must be applied based on keywords found in the email content. Which Microsoft Purview solution should be configured?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Microsoft Purview retention labels with auto-labeling based on keywords
Microsoft Purview retention labels with auto-labeling based on keywords can automatically apply a retention label to emails that match specific keywords in their content. When the label is configured to retain items for 5 years after deletion, it ensures that emails related to active litigation are preserved even after the user deletes them. This meets the legal department's requirement for content-based, automatic retention.
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.
✓
Microsoft Purview retention labels with auto-labeling based on keywords
Why this is correct
Correct. Retention labels can automatically detect keyword patterns and retain deleted emails for the specified duration.
Related concept
Read the scenario before looking for a memorised answer.
✗
Microsoft Purview Data Loss Prevention (DLP) policies
Why it's wrong here
Incorrect. DLP policies block or warn about sharing sensitive data, they do not retain data after deletion.
✗
Microsoft Purview eDiscovery
Why it's wrong here
Incorrect. eDiscovery is for searching and exporting content for legal cases, not for automatic retention of deleted items.
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Microsoft Purview Audit
Why it's wrong here
Incorrect. Audit logs record actions taken on content, but they do not retain the content itself.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse retention labels (which manage lifecycle and deletion) with DLP policies (which prevent data loss) or eDiscovery (which finds and holds data), failing to recognize that auto-labeling based on keywords is the precise mechanism for content-driven retention.
Detailed technical explanation
How to think about this question
Retention labels with auto-labeling use trainable classifiers or keyword-based conditions to evaluate content at rest or in transit. When a label is applied, it triggers a preservation lock that prevents permanent deletion until the retention period expires, even if the user empties the Deleted Items folder. In a real-world scenario, an employee might delete a litigation-related email, but the label ensures the message remains in the Recoverable Items folder for the full 5-year period, accessible only to eDiscovery managers.
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 startup's cloud architect reviews their monthly bill and notices costs are higher than expected for a long-running batch job. Switching from on-demand instances to Reserved Instances — or using Spot/Preemptible VMs — can reduce compute costs by up to 72 %. Questions like this test whether you understand the tradeoffs between commitment, flexibility, and cost across cloud pricing models.
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: Microsoft Purview retention labels with auto-labeling based on keywords — Microsoft Purview retention labels with auto-labeling based on keywords can automatically apply a retention label to emails that match specific keywords in their content. When the label is configured to retain items for 5 years after deletion, it ensures that emails related to active litigation are preserved even after the user deletes them. This meets the legal department's requirement for content-based, automatic retention.
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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Question Discussion
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