AI-900Domain 3: Describe Features of Computer Vision Workloads on AzureComputer VisionmediumSingle choice
A media company needs to index its video library — extracting faces, spoken words, on-screen text, scenes, and topics to make everything searchable. Which service?
A.Azure AI Vision
Vision works on images, not temporal video content.
B.Azure AI Video Indexer
Video Indexer = the video-insights service. Correct.
C.Azure AI Speech
Speech handles only audio — not the full video insight set.
D.Azure AI Search
AI Search indexes data — doesn't extract the insights from video.
Why this answer
Video Indexer combines multiple AI models to extract rich insights from video/audio: faces, celebrities, speech transcription, OCR, objects, scenes, sentiments — producing a searchable metadata index per video.
Correct answer: B · Last reviewed 2026-02-14
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