DVA-C02 Domain 1: Development with AWS Services

During peak traffic, the platform team must cache DynamoDB reads for lower latency. What should they do FIRST? cache DynamoDB reads for lower latency.

Multiple choice — select one answer

Answer choices

  1. a. Amazon S3
  2. b. DynamoDB Accelerator (DAX)
  3. c. AWS Fargate
  4. d. Amazon ElastiCache for all DynamoDB writes

Architectural breakdown & explanation

DAX is an in-memory cache for DynamoDB.

Correct answer(s): b. DynamoDB Accelerator (DAX)

Exam domain: Domain 1: Development with AWS Services (32% weight on the official guide).

Official documentation & study links

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