MS-900 Practice Question: Describe security, compliance, privacy, and trust in Microsoft 365
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. A key principle to apply: exact Data Match (EDM) is used for highly precise sensitive data detection.. 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 service owner is comparing Microsoft 365 capabilities and needs to detect exact customer records rather than only generic data patterns. Microsoft security, identity, or compliance capability should it use?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Exact Data Match sensitive information type
Exact Data Match (EDM) sensitive information types allow a service owner to define custom sensitive information types based on exact database records, such as customer names or account numbers, rather than relying on generic pattern matching like regular expressions. This capability is part of Microsoft Purview compliance and enables precise detection of specific customer data in Microsoft 365 environments.
Key principle: Exact Data Match (EDM) is used for highly precise sensitive data detection.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
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Microsoft Stream
Why it's wrong here
Stream hosts video content and does not meet this requirement.
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Microsoft Planner
Why it's wrong here
Planner manages tasks and does not provide this security or compliance control.
✓
Exact Data Match sensitive information type
Why this is correct
Exact Data Match detects sensitive data by matching against uploaded structured values.
Related concept
Exact Data Match (EDM) is used for highly precise sensitive data detection.
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Microsoft Forms
Why it's wrong here
Forms creates surveys and quizzes, not this security or compliance capability.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may confuse generic data classification (e.g., built-in sensitive info types like Social Security numbers) with the need for exact record matching, leading them to overlook EDM as the precise solution for custom, database-driven detection.
Detailed technical explanation
How to think about this question
Exact Data Match works by hashing a reference table of sensitive data (e.g., customer IDs) using a salt and SHA256, then uploading the hashed values to Microsoft Purview. During scanning, content is similarly hashed and compared against the stored hashes, enabling exact record-level detection without exposing plaintext data. This is crucial for compliance scenarios like GDPR or PCI DSS where specific customer records must be identified, not just patterns like credit card numbers.
KKey Concepts to Remember
Exact Data Match (EDM) is used for highly precise sensitive data detection.
EDM matches against uploaded structured data, not just generic patterns.
It's a core component of Microsoft Purview Data Loss Prevention (DLP).
EDM helps prevent unauthorized sharing of specific, known sensitive records.
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
Exact Data Match (EDM) is used for highly precise sensitive data detection.
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 MS-900 question in full detail.
Review exact Data Match (EDM) is used for highly precise sensitive data detection., then practise related MS-900 questions on the same topic to reinforce the concept.
Describe security, compliance, privacy, and trust in Microsoft 365 — This question tests Describe security, compliance, privacy, and trust in Microsoft 365 — Exact Data Match (EDM) is used for highly precise sensitive data detection..
What is the correct answer to this question?
The correct answer is: Exact Data Match sensitive information type — Exact Data Match (EDM) sensitive information types allow a service owner to define custom sensitive information types based on exact database records, such as customer names or account numbers, rather than relying on generic pattern matching like regular expressions. This capability is part of Microsoft Purview compliance and enables precise detection of specific customer data in Microsoft 365 environments.
What should I do if I get this MS-900 question wrong?
Review exact Data Match (EDM) is used for highly precise sensitive data detection., then practise related MS-900 questions on the same topic to reinforce the concept.
What is the key concept behind this question?
Exact Data Match (EDM) is used for highly precise sensitive data detection.
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Question Discussion
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