The answer is sensitive information types and an auto-labeling policy. You must configure a sensitive information type to define the pattern that matches passport numbers, and then create an auto-labeling policy that uses that type to automatically apply the sensitivity label to any document containing those numbers. On the SC-900 exam, this question tests your understanding of how Microsoft Purview’s auto-labeling feature works as a separate mechanism from Data Loss Prevention (DLP) or retention policies—a common trap is confusing DLP’s prevention role with labeling. Remember that sensitive information types act as the “detective” pattern matcher, while the auto-labeling policy is the “executor” that applies the label. A useful memory tip: think of it as “find it with a type, then label it with a policy.”
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. 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.
Your organization is deploying Microsoft Purview. You need to automatically apply a sensitivity label to documents that contain passport numbers. Which TWO components must you configure?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Sensitive information type for passport numbers
Options A and D are correct. Sensitive information types (A) define the pattern for passport numbers, and auto-labeling policies (D) apply the label automatically. Option B is wrong because DLP policies prevent data loss but do not apply labels. Option C is wrong because retention labels manage retention, not sensitivity. Option E is wrong because trainable classifiers are for machine learning-based classification, not for simple pattern matching like passport numbers.
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.
✓
Sensitive information type for passport numbers
Why this is correct
Sensitive information types define the pattern to detect passport numbers.
Related concept
Static NAT maps one inside address to one outside address.
✗
Retention label
Why it's wrong here
Retention labels are for retention, not sensitivity.
✗
Data loss prevention (DLP) policy
Why it's wrong here
DLP policies prevent sharing but do not apply labels.
✓
Auto-labeling policy
Why this is correct
Auto-labeling policies automatically apply sensitivity labels based on conditions like sensitive information types.
Related concept
Static NAT maps one inside address to one outside address.
✗
Trainable classifier
Why it's wrong here
Trainable classifiers are used for complex classification, not for exact pattern matching.
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 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: Sensitive information type for passport numbers — Options A and D are correct. Sensitive information types (A) define the pattern for passport numbers, and auto-labeling policies (D) apply the label automatically. Option B is wrong because DLP policies prevent data loss but do not apply labels. Option C is wrong because retention labels manage retention, not sensitivity. Option E is wrong because trainable classifiers are for machine learning-based classification, not for simple pattern matching like passport numbers.
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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