AI-900 Question #305: Real Exam Question with Answer & Explanation

The correct answer is C: Personally Identifiable Information (PII) detection. Azure AI Language PII detection uses Named Entity Recognition (NER) to identify and redact sensitive information from input data. https://learn.microsoft.com/en-us/azure/ai-services/language-service/personally-identifiable- information/overview

Submitted by yaw92· Mar 30, 2026Describe features of Natural Language Processing (NLP) workloads on Azure

Question

Which feature of the Azure AI Language service should you use to automate the masking of names and phone numbers in text data?

Options

Aentity linking
Bcustom named entity recognition (NER)
CPersonally Identifiable Information (PII) detection
Dcustom text classification

Explanation

Azure AI Language PII detection uses Named Entity Recognition (NER) to identify and redact sensitive information from input data. https://learn.microsoft.com/en-us/azure/ai-services/language-service/personally-identifiable- information/overview

Topics

#Azure AI Language#PII detection#Data masking

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