AI-900Domain 4: Describe Features of Natural Language Processing Workloads on AzureNLP & SpeecheasySingle choice
A support team wants to automatically detect sentiment and extract key phrases from customer reviews. Which Azure AI service provides this?
A.Azure AI Language
Sentiment + key phrases = Language service. Correct.
B.Azure AI Speech
Speech is audio transcription/synthesis.
C.Azure AI Translator
Translator converts between languages.
D.Azure AI Vision
Vision is images — not text analytics.
Why this answer
Azure AI Language covers text analytics: sentiment/opinion mining, key-phrase extraction, named entity recognition (NER), language detection, PII detection, summarization. Speech handles audio; Translator translates.
Correct answer: A · Last reviewed 2026-02-14
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