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Question 183 - DBS-C01 discussion

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On AWS, a business is developing a web application. The application needs that the database supports concurrent read and write activities in several AWS Regions. Additionally, the database must communicate data changes across Regions as they occur. The application must be highly available and have a latency of less than a few hundred milliseconds.

Which solution satisfies these criteria?

A.
Amazon DynamoDB global tables
Answers
A.
Amazon DynamoDB global tables
B.
Amazon DynamoDB streams with AWS Lambda to replicate the data
Answers
B.
Amazon DynamoDB streams with AWS Lambda to replicate the data
C.
An Amazon ElastiCache for Redis cluster with cluster mode enabled and multiple shards
Answers
C.
An Amazon ElastiCache for Redis cluster with cluster mode enabled and multiple shards
D.
An Amazon Aurora global database
Answers
D.
An Amazon Aurora global database
Suggested answer: A

Explanation:


Aurora Global Databases provides a writer and a reader endpoints in the primary region but only a reader endpoints in other region. Although strongly consistent, it does not fulfill the requirements that "there are plenty of read / write activities" in all regions.

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asked 16/09/2024
inigo abeledo
39 questions
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