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Question 540 - SAA-C03 discussion

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A company's website handles millions of requests each day, and the number of requests continues to increase. A solutions architect needs to improve the response time of the web application. The solutions architect determines that the application needs to decrease latency when retrieving product details from the Amazon DynamoDB table.

Which solution will meet these requirements with the LEAST amount of operational overhead?

A.
Set up a DynamoDB Accelerator (DAX) cluster. Route all read requests through DAX.
Answers
A.
Set up a DynamoDB Accelerator (DAX) cluster. Route all read requests through DAX.
B.
Set up Amazon ElastiCache for Redis between the DynamoDB table and the web application.Route all read requests through Redis.
Answers
B.
Set up Amazon ElastiCache for Redis between the DynamoDB table and the web application.Route all read requests through Redis.
C.
Set up Amazon ElastiCache for Memcached between the DynamoDB table and the web application. Route all read requests through Memcached.
Answers
C.
Set up Amazon ElastiCache for Memcached between the DynamoDB table and the web application. Route all read requests through Memcached.
D.
Set up Amazon DynamoDB Streams on the table, and have AWS Lambda read from the table and populate Amazon ElastiCache. Route all read requests through ElastiCache.
Answers
D.
Set up Amazon DynamoDB Streams on the table, and have AWS Lambda read from the table and populate Amazon ElastiCache. Route all read requests through ElastiCache.
Suggested answer: A

Explanation:

it allows the company to improve the response time of the web application and decrease latency when retrieving product details from the Amazon DynamoDB table. By setting up a DynamoDB Accelerator (DAX) cluster, the company can use a fully managed, highly available, in-memory cache for DynamoDB that delivers up to a 10x performance improvement. By routing all read requests through DAX, the company can reduce the number of read operations on the DynamoDB table and improve the user experience. Reference:

Amazon DynamoDB Accelerator (DAX)

Using DAX with DynamoDB

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asked 16/09/2024
samer salami
34 questions
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