MS-900 Describe Microsoft 365 apps and services Practice Question
This MS-900 practice question tests your understanding of describe microsoft 365 apps and services. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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 healthcare organization is adopting Microsoft 365 and must meet compliance requirements: retain all communications for 7 years, prevent accidental deletion of documents, and classify sensitive data automatically. Which THREE Microsoft Purview features should the organization use?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Auto-labeling
Auto-labeling (Option C) is correct because it enables the organization to automatically classify sensitive data based on content patterns (e.g., healthcare records, PII) without manual intervention. This aligns directly with the requirement to classify sensitive data automatically, using trainable classifiers or sensitive info types in Microsoft Purview.
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) policies
Why it's wrong here
DLP prevents sharing of sensitive data but does not automatically classify or retain.
✗
eDiscovery
Why it's wrong here
Used for searching and exporting content, not for retention or classification.
✓
Auto-labeling
Why this is correct
Correct: Automatically classifies sensitive data based on conditions.
Related concept
Read the scenario before looking for a memorised answer.
✓
Preservation hold lock
Why this is correct
Correct: Prevents accidental deletion by locking the hold.
Related concept
Read the scenario before looking for a memorised answer.
✓
Retention policies
Why this is correct
Correct: Retains communications for the required period.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse DLP policies with auto-labeling, but DLP is about preventing data loss after classification, not the classification itself.
Detailed technical explanation
How to think about this question
Auto-labeling in Microsoft Purview uses content patterns, such as regex-based sensitive info types (e.g., U.S. Social Security numbers) or trainable classifiers, to apply sensitivity labels at rest or in transit. The Preservation hold lock (Option D) ensures that a retention policy cannot be disabled or reduced by anyone, including administrators, which is critical for meeting strict regulatory requirements like SEC 17a-4. Retention policies (Option E) enforce immutable storage for the specified 7-year period, using a combination of preservation and deletion rules that override user actions.
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 Microsoft 365 apps and services — This question tests Describe Microsoft 365 apps and services — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Auto-labeling — Auto-labeling (Option C) is correct because it enables the organization to automatically classify sensitive data based on content patterns (e.g., healthcare records, PII) without manual intervention. This aligns directly with the requirement to classify sensitive data automatically, using trainable classifiers or sensitive info types in Microsoft Purview.
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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