SAA-C03 · Question #366
SAA-C03 Question #366: Real Exam Question with Answer & Explanation
The correct answer is A: Modify the RDS DB instance to use a Multi-AZ deployment. Apply the changes during the next. Enabling Multi-AZ deployment for an Amazon RDS DB instance is the simplest and most effective way to improve database availability and eliminate a single point of failure. Multi-AZ deployments provide automatic failover to a standby instance in case of a failure of the primary in
Question
A company hosts an ecommerce application that stores all data in a single Amazon RDS for MySQL DB instance that is fully managed by AWS. The company needs to mitigate the risk of a single point of failure. Which solution will meet these requirements with the LEAST implementation effort?
Options
- AModify the RDS DB instance to use a Multi-AZ deployment. Apply the changes during the next
- BMigrate the current database to a new Amazon DynamoDB Multi-AZ deployment. Use AWS
- CCreate a new RDS DB instance in a Multi-AZ deployment. Manually restore the data from the
- DConfigure the DB instance in an Amazon EC2 Auto Scaling group with a minimum group size of
Explanation
Enabling Multi-AZ deployment for an Amazon RDS DB instance is the simplest and most effective way to improve database availability and eliminate a single point of failure. Multi-AZ deployments provide automatic failover to a standby instance in case of a failure of the primary instance. This approach is managed by AWS and only requires a modification to the existing instance, with minimal manual intervention or downtime, thus providing the least implementation effort.
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