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CLF-C02 · Question #864

CLF-C02 Question #864: Real Exam Question with Answer & Explanation

The correct answer is C: Amazon ElastiCache. Amazon ElastiCache can be used as an in-memory data store to cache frequently accessed data, reducing disk I/O on the Amazon RDS database and improving performance for I/O-intensive reporting workloads.

Submitted by yasin.bd· Mar 6, 2026Cloud Technology and Services

Question

A company is using an Amazon RDS database to run reports that are input/output (I/O) intensive. Which AWS service can be used to improve the database performance?

Options

  • AAmazon DynamoDB Accelerator (DAX)
  • BAmazon EMR
  • CAmazon ElastiCache
  • DAmazon Redshift

Explanation

Amazon ElastiCache can be used as an in-memory data store to cache frequently accessed data, reducing disk I/O on the Amazon RDS database and improving performance for I/O-intensive reporting workloads.

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