Which Azure “Vision” cognitive service applies labels to the images based on the images’ visual characteristics?

Answer options:

A.Video Indexer
B.Computer Vision
C.Custom Vision
D.Personalizer

Correct Answer:C
Option A is INCORRECT. Video indexer indexes the content of a video after analyzing its video and audio channels.
Option B is INCORRECT. Computer Vision service provides capabilities for image processing and capturing required associated information.
Option C is CORRECT. Custom Vision applies labels to the images based on the images’ visual characteristics.
Option D is INCORRECT. Personalizer is not a Vision cognitive offering from Azure. Personalizer is a “Decision” cognitive offering.
References: 

https://docs.microsoft.com/bs-latn-ba/azure/media-services/video-indexer/
https://docs.microsoft.com/bs-latn-ba/azure/cognitive-services/computer-vision/
https://docs.microsoft.com/bs-latn-ba/azure/cognitive-services/Custom-Vision-Service/overview