The answer is to create an auto-labeling policy in Microsoft Purview that uses a sensitivity label configured with encryption. This is correct because auto-labeling policies can scan documents for sensitive information types, such as credit card numbers, and automatically apply a sensitivity label that enforces encryption when the document is saved to SharePoint Online, meeting the requirement for automatic classification and protection without user intervention. On the MS-102 exam, this scenario tests your understanding of how Purview’s auto-labeling differs from DLP policies, which block actions but do not label, and from client-side labeling, which requires manual user input. A common trap is confusing auto-labeling with default labels, which apply broadly without conditional scanning. Memory tip: “Auto-label scans and encrypts; DLP blocks but doesn’t label.”
MS-102 Deploy and manage a Microsoft 365 tenant Practice Question
This MS-102 practice question tests your understanding of deploy and manage a microsoft 365 tenant. 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.
You manage a Microsoft 365 tenant for a multinational corporation. You need to implement Microsoft Purview Information Protection to automatically classify and protect documents containing credit card numbers. The solution must apply encryption automatically when a document is saved to SharePoint Online. What should you do?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Create an auto-labeling policy in Microsoft Purview that uses a sensitivity label configured with encryption.
Option B is correct because auto-labeling policies in Microsoft Purview can scan documents for sensitive information types (e.g., credit card numbers) and automatically apply a sensitivity label with encryption. Option A is wrong because DLP policies can block sharing but do not label documents. Option C is wrong because the client-side labeling requires user interaction. Option D is wrong because the default label applies to all documents without specific conditions.
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
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✓
Create an auto-labeling policy in Microsoft Purview that uses a sensitivity label configured with encryption.
Why this is correct
Auto-labeling can automatically apply a label with encryption based on sensitive info types.
Related concept
Static NAT maps one inside address to one outside address.
✗
Create a DLP policy in Microsoft Purview that blocks sharing of documents containing credit card numbers.
Why it's wrong here
DLP does not apply labels or encryption.
✗
Configure client-side labeling via Microsoft 365 Apps to prompt users to label documents.
Why it's wrong here
This requires user action, not automatic.
✗
Set a default sensitivity label for SharePoint Online document libraries.
Why it's wrong here
A default label applies to all new documents but not based on content.
Common exam traps
Common exam trap: NAT rules depend on direction and matching traffic
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
How to think about this question
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.
KKey Concepts to Remember
Static NAT maps one inside address to one outside address.
PAT allows many inside hosts to share one public address using ports.
Inside local and inside global describe the private and translated addresses.
NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
→Identify inside and outside interfaces first.
→Check whether the scenario needs static NAT, dynamic NAT or PAT.
→Do not confuse NAT matching ACLs with normal packet-filtering intent.
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
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. 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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this MS-102 question in full detail.
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-102 NAT questions on configuration and troubleshooting.
Deploy and manage a Microsoft 365 tenant — This question tests Deploy and manage a Microsoft 365 tenant — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: Create an auto-labeling policy in Microsoft Purview that uses a sensitivity label configured with encryption. — Option B is correct because auto-labeling policies in Microsoft Purview can scan documents for sensitive information types (e.g., credit card numbers) and automatically apply a sensitivity label with encryption. Option A is wrong because DLP policies can block sharing but do not label documents. Option C is wrong because the client-side labeling requires user interaction. Option D is wrong because the default label applies to all documents without specific conditions.
What should I do if I get this MS-102 question wrong?
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-102 NAT questions on configuration and troubleshooting.
What is the key concept behind this question?
Static NAT maps one inside address to one outside address.
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