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Amazon DVA-C02 Exam - Topic 3 Question 68 Discussion

A company has a social media application that receives large amounts of traffic User posts and interactions are continuously updated in an Amazon RDS database The data changes frequently, and the data types can be complex The application must serve read requests with minimal latencyThe application's current architecture struggles to deliver these rapid data updates efficiently The company needs a solution to improve the application's performance.Which solution will meet these requirements'?
D) Create an Amazon ElastiCache for Redis cluster. Update the application code to use a write-through caching strategy and read the data from Redis.
A) Use Amazon DynamoDB Accelerator (DAX) in front of the RDS database to provide a caching layer for the high volume of rapidly changing data
B) Set up Amazon S3 Transfer Acceleration on the RDS database to enhance the speed of data transfer from the databases to the application.
C) Add an Amazon CloudFront distribution in front of the RDS database to provide a caching layer for the high volume of rapidly changing data

Amazon DVA-C02 Exam - Topic 3 Question 68 Discussion

Actual exam question for Amazon's DVA-C02 exam
Question #: 68
Topic #: 3
[All DVA-C02 Questions]

A company has a social media application that receives large amounts of traffic User posts and interactions are continuously updated in an Amazon RDS database The data changes frequently, and the data types can be complex The application must serve read requests with minimal latency

The application's current architecture struggles to deliver these rapid data updates efficiently The company needs a solution to improve the application's performance.

Which solution will meet these requirements'?

Show Suggested Answer Hide Answer
Suggested Answer: D

Amazon ElastiCache for Redis:An in-memory data store known for extremely low latency, ideal for caching frequently accessed, complex data.

Write-Through Caching:Ensures that data is always consistent between the cache and the database. Writes go to both Redis and RDS.

Performance Gains:Redis handles reads with minimal latency, offloading the RDS database and improving the application's responsiveness.


Amazon ElastiCache for Redis Documentation:https://docs.aws.amazon.com/AmazonElastiCache/latest/red-ug/

Caching Strategies:https://docs.aws.amazon.com/AmazonElastiCache/latest/red-ug/Strategies.html

by Phuong at Jun 29, 2026, 11:22 AM

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