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

You need to build a chatbot that answers questions based on your company's internal knowledge base. The knowledge base consists of Word documents and PDFs. Which service should you use to create a conversational interface that retrieves answers from these documents?

⚠ Common exam trap

Azure exam often tests the distinction between a dedicated Q&A service (Custom Question Answering) and a general-purpose search-and-retrieve pipeline (Azure AI Search + Bot Service), leading candidates to choose Option B when the requirement is to answer from unstructured documents rather than curated Q&A pairs.

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 Search with Azure AI Bot Service

Azure AI Search indexes the content from Word documents and PDFs, enabling full-text and vector search over the knowledge base. Azure AI Bot Service provides the conversational interface that queries the search index and returns answers to users. Together, they form a retrieval-augmented generation (RAG) pipeline that answers questions from unstructured 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.

  • Azure AI Search with Azure AI Bot Service

    Why this is correct

    Index documents with Search and use Bot Service for Q&A.

  • Azure AI Language Service - Custom Question Answering

    Why it's wrong here

    Custom Question Answering typically uses a built-in knowledge base, not a search index.

  • Azure AI Computer Vision

    Why it's wrong here

    Computer Vision does not answer questions.

  • Azure AI Document Intelligence

    Why it's wrong here

    Document Intelligence extracts data but does not answer 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.