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CLF-C02 · Question #816

Which AWS service is a key-value database that provides sub-millisecond latency on a large scale?

The correct answer is A. Amazon DynamoDB. Amazon DynamoDB is a nonrelational database that delivers reliable performance at any scale. It's a fully managed, multi-region, multi-master database that provides consistent single-digit millisecond latency, and offers built-in security, backup and restore, and in-memory cachin

Submitted by valeria.br· Mar 6, 2026Cloud Technology and Services

Question

Which AWS service is a key-value database that provides sub-millisecond latency on a large scale?

Options

  • AAmazon DynamoDB
  • BAmazon Aurora
  • CAmazon DocumentDB (with MongoDB compatibility)
  • DAmazon Neptune

How the community answered

(21 responses)
  • A
    90% (19)
  • C
    5% (1)
  • D
    5% (1)

Explanation

Amazon DynamoDB is a nonrelational database that delivers reliable performance at any scale. It's a fully managed, multi-region, multi-master database that provides consistent single-digit millisecond latency, and offers built-in security, backup and restore, and in-memory caching.

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