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AI-102 Practice Question: Implement knowledge mining and information extraction solutions

You need to extract entities such as dates, locations, and organization names from unstructured text documents. Which Azure AI service should you use?

⚠ Common exam trap

Many candidates confuse Azure AI Document Intelligence (which extracts structured data from forms) with Azure AI Language Service (which performs general text analytics like NER), leading them to pick Option C for entity extraction from unstructured text.

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

Azure AI Language Service

Azure AI Language Service provides pre-built capabilities for entity recognition, including extracting dates, locations, and organization names from unstructured text via its Named Entity Recognition (NER) feature. This service is specifically designed for text analytics tasks, making it the correct choice for entity extraction from text documents.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

  • Computer Vision

    Why it's wrong here

    Computer Vision does not perform text entity extraction.

  • Azure AI Language Service

    Why this is correct

    Language Service provides NER capabilities.

  • Azure AI Document Intelligence

    Why it's wrong here

    Document Intelligence extracts layout, not general entities.

  • Azure AI Speech Service

    Why it's wrong here

    Speech Service transcribes audio, not text.

About these practice questions

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JA

Written by Johnson Ajibi, MSc IT Security

Senior Network & Security Engineer · founder of Courseiva

This AI-102 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 AI-102 exam.