AI-102 Practice Question: Implement natural language processing solutions
You are building a custom text classification solution in Azure AI Language. You have a dataset with 10 categories and 1000 labeled documents. You need to choose the best project type. What should you use?
⚠ Common exam trap
Candidates often confuse Conversational Language Understanding (CLU) with custom text classification, but CLU is specifically for conversational flows (intents and entities) and cannot be used for general document-level classification tasks.
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
✓
Custom text classification (single or multi-label)
Custom text classification (single or multi-label) is the correct project type because you have a labeled dataset with 10 categories and need to train a model to classify text into those specific categories. Azure AI Language provides a custom text classification feature that allows you to train a model using your own labeled data, supporting both single-label and multi-label classification scenarios. This is the only option that enables you to build a bespoke classifier tailored to your 10-category dataset.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Conversational Language Understanding (CLU)
Why it's wrong here
CLU is for intent and entity extraction in conversational scenarios.
- ✗
Key Phrase Extraction
Why it's wrong here
Key Phrase Extraction is not for classification.
- ✗
Prebuilt Text Classification API
Why it's wrong here
Prebuilt Text Classification API only supports predefined categories (e.g., sentiment).
- ✓
Custom text classification (single or multi-label)
Why this is correct
Custom text classification can be trained on your own categories and labels.
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