This MS-900 practice question tests your understanding of describe security, compliance, privacy, and trust in microsoft 365. 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.
An organization uses Microsoft 365 and wants to automatically classify and protect sensitive data in SharePoint Online based on content patterns. Which Microsoft Purview solution should they implement?
Auto-labeling policies
Auto-labeling can automatically apply labels based on content patterns.
Retention policies
Why wrong: Retention policies manage data lifecycle, not classification.
Data Loss Prevention (DLP) policies
Why wrong: DLP prevents sharing but does not automatically classify.
Trainable classifiers
Why wrong: Trainable classifiers require training and are not purely pattern-based.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Auto-labeling policies
Option C is correct because auto-labeling policies in Microsoft Purview can automatically apply sensitivity labels based on sensitive information types or patterns. Option A is incorrect because trainable classifiers require training, not automatic pattern detection. Option B is incorrect because DLP policies prevent data loss but do not automatically classify. Option D is incorrect because retention policies are for retention, not classification.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Auto-labeling policies
Why this is correct
Auto-labeling can automatically apply labels based on content patterns.
Related concept
Static NAT maps one inside address to one outside address.
Retention policies
Why it's wrong here
Retention policies manage data lifecycle, not classification.
Data Loss Prevention (DLP) policies
Why it's wrong here
DLP prevents sharing but does not automatically classify.
Trainable classifiers
Why it's wrong here
Trainable classifiers require training and are not purely pattern-based.
Common exam traps
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Detailed technical explanation
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Real-world example
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. NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related MS-900 NAT questions on configuration and troubleshooting.
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FAQ
Describe security, compliance, privacy, and trust in Microsoft 365 — This question tests Describe security, compliance, privacy, and trust in Microsoft 365 — Static NAT maps one inside address to one outside address..
The correct answer is: Auto-labeling policies — Option C is correct because auto-labeling policies in Microsoft Purview can automatically apply sensitivity labels based on sensitive information types or patterns. Option A is incorrect because trainable classifiers require training, not automatic pattern detection. Option B is incorrect because DLP policies prevent data loss but do not automatically classify. Option D is incorrect because retention policies are for retention, not classification.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related MS-900 NAT questions on configuration and troubleshooting.
Static NAT maps one inside address to one outside address.
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Last reviewed: Jun 21, 2026
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