AWS Certified AI Practitioner (AIF-C01) — Question 290

An online media streaming company wants to give its customers the ability to perform natural language-based image search and filtering. The company needs a vector database that can help with similarity searches and nearest neighbor queries.

Which AWS service meets these requirements?

Answer options

• A. Amazon Comprehend
• B. Amazon Personalize
• C. Amazon Polly
• D. Amazon OpenSearch Service

Correct answer: D

Explanation

Amazon OpenSearch Service includes built-in k-nearest neighbor (k-NN) search capabilities, allowing it to function as a vector database for similarity and natural language-based image searches. Amazon Comprehend is an NLP service, Amazon Personalize is designed for recommendation engines, and Amazon Polly is a text-to-speech service, none of which provide the required vector database functionality.