DBS-C01 · Question #178
A company is running its production databases in a 3 TB Amazon Aurora MySQL DB cluster. The DB cluster is deployed to the us-east-1 Region. For disaster recovery (DR) purposes, the company's database
The correct answer is B. Add a cross-Region read replica in the DR Region with the same instance type as the current. RTO is 2 hours. With 3 TB database, cross-region replica is a better option. https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_ReadRepl.html
Question
A company is running its production databases in a 3 TB Amazon Aurora MySQL DB cluster. The DB cluster is deployed to the us-east-1 Region. For disaster recovery (DR) purposes, the company’s database specialist needs to make the DB cluster rapidly available in another AWS Region to cover the production load with an RTO of less than 2 hours. What is the MOST operationally efficient solution to meet these requirements?
Options
- AImplement an AWS Lambda function to take a snapshot of the production DB cluster every
- BAdd a cross-Region read replica in the DR Region with the same instance type as the current
- CCreate a smaller DB cluster in the DR Region. Configure an AWS Database Migration Service
- DCreate an Aurora global database that spans two Regions. Use AWS Database Migration Service
How the community answered
(38 responses)- A32% (12)
- B42% (16)
- C11% (4)
- D16% (6)
Explanation
RTO is 2 hours. With 3 TB database, cross-region replica is a better option. https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_ReadRepl.html
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