AI-103 Text Analysis Practice Question
You are designing a customer feedback processing system. You need to extract key phrases from customer reviews and store them in an Azure Cosmos DB database. When you inspect the JSON response from the key phrase API, what data structure is returned for the key phrases?
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
✓
An array of strings representing the key phrases found in the document.
The key phrase extraction response returns a list of string values representing the extracted key phrases for each document.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
A single concatenated string with semicolons separating each phrase.
Why it's wrong here
The response uses JSON arrays, not delimited string concatenation.
- ✓
An array of strings representing the key phrases found in the document.
Why this is correct
Key phrases are returned as an array of strings.
- ✗
A nested dictionary mapping phrase weights to sentiment scores.
Why it's wrong here
Key phrases do not include sentiment scores unless opinion mining or sentiment analysis is combined.
- ✗
An array of objects containing 'text', 'category', and 'confidenceScore' properties.
Why it's wrong here
That structure describes named entities, not key phrases.
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Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official Microsoft exam blueprint
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