The correct answer is Microsoft Purview Data Loss Prevention (DLP). This solution is the right choice because DLP policies can be configured with rules that automatically apply a 'Highly Confidential' sensitivity label when sensitive info types—such as a specific credit card pattern—are detected in emails, directly linking content inspection to label enforcement. On the SC-900 exam, this question tests your understanding of how Purview DLP integrates with Information Protection to automate labeling, often appearing as a distractor against Audit (which only logs events), Defender for Cloud Apps (which controls app access), or Sentinel (a SIEM/SOAR tool). A common trap is confusing DLP’s proactive labeling with Audit’s passive logging; remember that DLP acts on content, while Audit just watches it. Memory tip: DLP = “Detect, Label, Protect”—if you need to auto-apply a label based on a data pattern, DLP is your go-to.
SC-900 Practice Question: Describe the capabilities of Microsoft security solutions
This SC-900 practice question tests your understanding of describe the capabilities of microsoft security solutions. 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 company is implementing Microsoft Purview Information Protection. They want to automatically apply a 'Highly Confidential' sensitivity label to emails containing a specific credit card pattern. Which solution should they use?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Microsoft Purview Data Loss Prevention
Microsoft Purview Data Loss Prevention policies include rules that can automatically apply sensitivity labels based on sensitive info types like credit card numbers. Option A is incorrect because Microsoft Purview Audit only logs activities. Option B is incorrect because Microsoft Defender for Cloud Apps focuses on app access control. Option D is incorrect because Microsoft Sentinel is for SIEM/SOAR.
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.
✗
Microsoft Sentinel
Why it's wrong here
Sentinel is for security information and event management, not labeling.
✓
Microsoft Purview Data Loss Prevention
Why this is correct
DLP policies can automatically apply sensitivity labels based on sensitive data detection.
Related concept
Static NAT maps one inside address to one outside address.
✗
Microsoft Defender for Cloud Apps
Why it's wrong here
Defender for Cloud Apps controls app access, not email labeling.
✗
Microsoft Purview Audit
Why it's wrong here
Audit logs activities but does not apply labels.
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 company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this SC-900 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 SC-900 NAT questions on configuration and troubleshooting.
Describe the capabilities of Microsoft security solutions — This question tests Describe the capabilities of Microsoft security solutions — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: Microsoft Purview Data Loss Prevention — Microsoft Purview Data Loss Prevention policies include rules that can automatically apply sensitivity labels based on sensitive info types like credit card numbers. Option A is incorrect because Microsoft Purview Audit only logs activities. Option B is incorrect because Microsoft Defender for Cloud Apps focuses on app access control. Option D is incorrect because Microsoft Sentinel is for SIEM/SOAR.
What should I do if I get this SC-900 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 SC-900 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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Question Discussion
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