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A developer is building an application that gives users the ability to view bank account from multiple sources in a single dashboard. The developer has automated the process to retrieve API credentials for these sources. The process invokes an AWS Lambda function that is associated with an AWS CloudFormation cotton resource. The developer wants a solution that will store the API credentials with minimal operational overhead. When solution will meet these requirements?
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Question 16 - DVA-C02 discussion

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A company is using Amazon RDS as the Backend database for its application. After a recent marketing campaign, a surge of read requests to the database increased the latency of data retrieval from the database.

The company has decided to implement a caching layer in front of the database. The cached content must be encrypted and must be highly available.

Which solution will meet these requirements?

A.
Amazon Cloudfront
Answers
A.
Amazon Cloudfront
B.
Amazon ElastiCache to Memcached
Answers
B.
Amazon ElastiCache to Memcached
C.
Amazon ElastiCache for Redis in cluster mode
Answers
C.
Amazon ElastiCache for Redis in cluster mode
D.
Amazon DynamoDB Accelerate (DAX)
Answers
D.
Amazon DynamoDB Accelerate (DAX)
Suggested answer: C

Explanation:

This solution meets the requirements because it provides a caching layer that can store and retrieve encrypted data from multiple nodes. Amazon ElastiCache for Redis supports encryption at rest and in transit, and can scale horizontally to increase the cache capacity and availability. Amazon ElastiCache for Memcached does not support encryption, Amazon CloudFront is a content delivery network that is not suitable for caching database queries, and Amazon DynamoDB Accelerator (DAX) is a caching service that only works with DynamoDB tables.

Reference: [Amazon ElastiCache for Redis Features], [Choosing a Cluster Engine]

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asked 16/09/2024
Paul Beugelsdijk
40 questions
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