SOA-C02 · Question #627
A company has an application that runs on Amazon EC2 instances. The application stores data on an Amazon RDS for MySQL Single-AZ DB instance. Requests to the DB instance from the application include…
The correct answer is A. Modify the DB instance to be a Multi-AZ DB instance deployment. Upgrading the DB instance to a Multi-AZ deployment ensures that a synchronous standby is maintained in another Availability Zone. In the event of a failure, RDS automatically fails over to the standby instance, minimizing downtime and ensuring high availability for the…
Question
A company has an application that runs on Amazon EC2 instances. The application stores data on an Amazon RDS for MySQL Single-AZ DB instance. Requests to the DB instance from the application include reads and writes. A SysOps administrator must implement a solution that provides failover for the DB instance. The solution must minimize application downtime. Which solution will meet these requirements?
Options
- AModify the DB instance to be a Multi-AZ DB instance deployment.
- BAdd a read replica in the same Availability Zone where the DB instance is deployed.
- CAdd the DB instance to an Auto Scaling group that has a minimum capacity of 2 and a desired
- DUse RDS Proxy to configure a proxy in front of the DB instance.
How the community answered
(34 responses)- A79% (27)
- B3% (1)
- C12% (4)
- D6% (2)
Explanation
Upgrading the DB instance to a Multi-AZ deployment ensures that a synchronous standby is maintained in another Availability Zone. In the event of a failure, RDS automatically fails over to the standby instance, minimizing downtime and ensuring high availability for the application.
Topics
Community Discussion
No community discussion yet for this question.