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Exam AWS Certified Database - Specialty topic 1 question 349 discussion

Exam question from Amazon's AWS Certified Database - Specialty
Question #: 349
Topic #: 1
[All AWS Certified Database - Specialty Questions]

A global company is creating an application. The application must be highly available. The company requires an RTO and an RPO of less than 5 minutes. The company needs a database that will provide the ability to set up an active-active configuration and near real-time synchronization of data across tables in multiple AWS Regions.

Which solution will meet these requirements?

  • A. Amazon RDS for MariaDB with cross-Region read replicas
  • B. Amazon RDS with a Multi-AZ deployment
  • C. Amazon DynamoDB global tables
  • D. Amazon DynamoDB with a global secondary index (GSI)
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Suggested Answer: C 🗳️
by PGGuy at Feb. 18, 2024, 11:15 a.m.
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tsangckl
1 year, 2 months ago
Selected Answer: C
Amazon DynamoDB global tables provide a fully managed solution for deploying a multi-region, multi-master database, without having to build and maintain your own replication solution. When you create a global table, you specify the AWS regions where you want the table to be available. DynamoDB performs all of the necessary tasks to create identical tables in these regions, and propagate ongoing data changes to all of them. The other options (A, B, and D) do not meet all the requirements: A. Amazon RDS for MariaDB with cross-Region read replicas: This option does not support active-active configuration. The read replicas are read-only. B. Amazon RDS with a Multi-AZ deployment: This option is for high availability and failover support for DB instances within a single region. It does not support multi-region, active-active configuration. D. Amazon DynamoDB with a global secondary index (GSI): GSIs are used to speed up access to data in DynamoDB, but they do not provide multi-region, active-active configuration.
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PGGuy
1 year, 4 months ago
Selected Answer: C
similar to #249. So, I pick C
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