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AIF-C01 · Question #68

AIF-C01 Question #68: Real Exam Question with Answer & Explanation

The correct answer is C: Scalable index management and nearest neighbor search capability. Amazon OpenSearch Service (formerly Amazon Elasticsearch Service) has introduced capabilities to support vector search, which allows companies to build vector database applications. This is particularly useful in machine learning, where vector representations (embeddings) of data

Submitted by neha2k· Mar 30, 2026Database

Question

Which feature of Amazon OpenSearch Service gives companies the ability to build vector database applications?

Options

  • AIntegration with Amazon S3 for object storage
  • BSupport for geospatial indexing and queries
  • CScalable index management and nearest neighbor search capability
  • DAbility to perform real-time analysis on streaming data

Explanation

Amazon OpenSearch Service (formerly Amazon Elasticsearch Service) has introduced capabilities to support vector search, which allows companies to build vector database applications. This is particularly useful in machine learning, where vector representations (embeddings) of data are often used to capture semantic meaning. Scalable index management and nearest neighbor search capability are the core features enabling vector database functionalities in OpenSearch. The service allows users to index high- dimensional vectors and perform efficient nearest neighbor searches, which are crucial for tasks such as recommendation systems, anomaly detection, and semantic search.

Topics

#Amazon OpenSearch Service#vector database#nearest neighbor search

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