A company has a web application that uses AWS Elastic Beanstalk, Amazon S3, and Amazon DynamoDB to develop a web application. The web application has increased dramatically in popularity, resulting in unpredictable spikes in traffic. A DevOps Engineer has noted that 90% of the requests are duplicate read requests to the DynamoDB table and the images stored in an S3 bucket. How can the Engineer improve the performance of the website?
A) Use Amazon ElastiCache for Redis to cache repeated read requests to DynamoDB and AWS Elemental MediaStore to cache images stored in S3.
B) Use Amazon ElastiCache for Memcached to cache repeated read requests to DynamoDB and Amazon EFS to cache images stored in S3.
C) Use DynamoDB Accelerator to cache repeated read requests to DynamoDB and Amazon CloudFront to cache images stored in S3.
D) Use DynamoDB Streams to cache repeated read requests to DynamoDB and API Gateway to cache images stored in S3.

Question

Quizplus · Accepted Answer

DynamoDB Accelerator (DAX) is designed to provide fast in-memory caching for DynamoDB, reducing read latency. Amazon CloudFront is a content delivery network that can cache images stored in S3, improving access speed and reducing load on the S3 bucket.

A Company Has a Web Application That Uses AWS Elastic