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Exam AWS Certified Developer - Associate DVA-C02 All Questions

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Exam AWS Certified Developer - Associate DVA-C02 topic 1 question 444 discussion

Exam question from Amazon's AWS Certified Developer - Associate DVA-C02
Question #: 444
Topic #: 1
[All AWS Certified Developer - Associate DVA-C02 Questions]

A developer is creating a database of products. Queries for frequently accessed products must have retrieval times of microseconds. To ensure data consistency, the application cache must be updated whenever products are added, changed, or deleted.

Which solution will meet these requirements?

  • A. Set up an Amazon DynamoDB database and a DynamoDB Accelerator (DAX) cluster.
  • B. Set up an Amazon RDS database and an Amazon ElastiCache for Redis cluster. Implement a lazy loading caching strategy with ElastiCache.
  • C. Setup an Amazon DynamoDB database that has an in-memory cache. Implement a lazy loading caching strategy in the application.
  • D. Set up an Amazon RDS database and an Amazon DynamoDB Accelerator (DAX) cluster. Specify a TTL setting for the DAX cluster.
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Suggested Answer: A 🗳️
by gdm83 at Oct. 20, 2024, 7:23 a.m.
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ogogundare
7 months, 3 weeks ago
A is the correct answer. https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/DAX.html
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gdm83
8 months, 1 week ago
Selected Answer: A
DAX is a fully managed, in-memory caching service for DynamoDB that provides fast read performance (typically in microseconds). DAX is designed specifically to be used with DynamoDB, which makes it ideal for your use case where quick retrieval of frequently accessed products is essential.
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