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AWS Certified AI Practitioner · AWS
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C is the correct answer.
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Scalable index management and nearest neighbor search capability: Amazon OpenSearch Service provides built-in support for vector search, which allows for efficient nearest neighbor search (such as k-nearest neighbors or k-NN) in large datasets. This is essential for vector databases, which store high-dimensional data (such as embeddings from machine learning models) and support fast similarity search. The scalable index management ensures that these searches can be performed efficiently even with large datasets.