Question 910 of 981
AZ-900 Describe Azure management and governance Practice Question
Which Azure service enables organizations to identify and classify sensitive data (like credit card numbers and passport numbers) stored in Azure?
⚠ Common exam trap
Many candidates confuse Azure Information Protection (a labeling tool) with the broader data classification and governance capabilities of Microsoft Purview, assuming that AIP alone can discover and classify data at rest across Azure services.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Microsoft Purview
Microsoft Purview (formerly Azure Purview) is the correct service because it provides unified data governance, including automated data classification and sensitivity labeling across Azure, on-premises, and multi-cloud environments. It uses built-in classifiers to detect sensitive data types such as credit card numbers (based on Luhn algorithm validation) and passport numbers, and can apply Microsoft Information Protection (MIP) sensitivity labels to the classified data.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Azure Key Vault
Why it's wrong here
Azure Key Vault is a cloud service designed to securely store and control access to secrets, encryption keys, and certificates used by cloud applications and services. It does not scan, catalog, or classify sensitive data residing in data lakes, databases, or file shares. Because the requirement is about discovering and classifying sensitive data across data stores, Key Vault's secret management function does not satisfy it.
- ✓
Microsoft Purview
Why this is correct
Microsoft Purview is a unified data governance platform that automatically scans data sources across on-premises, Azure, and multi-cloud environments to build a data map. It applies built-in classifiers to detect and label sensitive information such as PII, financial data, and health records, and tracks data lineage for compliance. This makes Purview the correct service for discovering and classifying sensitive data at scale.
- ✗
Azure Information Protection
Why it's wrong here
Azure Information Protection (AIP) focuses on classifying and protecting individual documents and emails by applying labels and encryption policies, such as Confidential or General. While it can identify sensitive content in Office files and PDFs, it does not provide a centralized data map or scan broad data stores like SQL databases and Azure Blob Storage. Therefore, AIP is a document-level protection tool, not the enterprise-wide data discovery and classification solution the scenario requires.
- ✗
Azure Security Center
Why it's wrong here
Azure Security Center, now part of Microsoft Defender for Cloud, delivers unified security management, threat detection, and regulatory compliance assessments for workloads. It evaluates security posture and generates hardening recommendations, but it does not scan data assets to identify or classify sensitive content at the data level. Since the task is specifically about discovering and classifying sensitive data, Security Center's security monitoring role is not a match.
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Last reviewed: Jun 11, 2026
This AZ-900 practice question is part of Courseiva's free Microsoft certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the AZ-900 exam.
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