Which AWS service or feature can the company use to reduce the database response time to microseconds?

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In: DVA-C01
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A company has a virtual reality (VR) game.The game has a serverless backend that consists of Amazon API Gateway, AWS Lambda, and Amazon DynamoDB.Recently, the company noticed a sudden increase of new users globally.The company also noticed delays in the retrieval of user data.

Which AWS service or feature can the company use to reduce the database response time to microseconds?

Amazon ElastiCache

DynamoDB Accelerator (DAX)

DynamoDB auto scaling

Amazon CloudFront

Explanations:

Amazon ElastiCache is a caching service that can reduce latency for frequently accessed data, but it is not specifically designed to reduce DynamoDB response time to microseconds.

DynamoDB Accelerator (DAX) is a fully managed, in-memory caching service for DynamoDB that is designed to provide microsecond read response times. It is the best option to reduce database response time.

DynamoDB auto scaling automatically adjusts the read and write capacity, but it does not reduce the response time to microseconds; it focuses on capacity management.

Amazon CloudFront is a content delivery network (CDN) used to distribute content globally, but it is not relevant for reducing DynamoDB response time to microseconds.

2026-04-05

2 Comments

  1. Lucas
    Author

    I structure that the answer is:
    DynamoDB Accelerator (DAX)

  2. Stephen
    Author

    If I had to guess, I’d say the answer is:
    DynamoDB Accelerator (DAX)

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