AI-102 Practice Question: Implement natural language processing solutions
You are deploying a question answering solution using Azure AI Language. The solution must be able to provide answers from a set of frequently asked questions (FAQs) in PDF format. What should you do?
⚠ Common exam trap
Candidates often confuse the pre-built question answering (which is a generic, non-customizable service) with the custom question answering project, leading them to choose option D, or they overcomplicate the solution by selecting Azure AI Search with cognitive skills when a direct PDF ingestion capability exists.
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
✓
Create a custom question answering project and add the PDF as a source.
Azure AI Language's custom question answering feature allows you to directly upload a PDF as a knowledge source. The service automatically extracts Q&A pairs from the document, enabling the solution to answer questions based on the FAQ content without needing additional search or cognitive skill pipelines.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Use Azure AI Search with cognitive skills.
Why it's wrong here
Azure AI Search is for search, not question answering.
- ✓
Create a custom question answering project and add the PDF as a source.
Why this is correct
Custom question answering can ingest PDFs.
- ✗
Use Azure OpenAI with a system prompt containing the PDFs.
Why it's wrong here
Requires prompt engineering and may not use PDFs directly.
- ✗
Use the pre-built question answering in Azure AI Language.
Why it's wrong here
Pre-built is for common scenarios, not custom PDFs.
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