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A company has an application that uses a MySQL database that runs on an Amazon...

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A company has an application that uses a MySQL database that runs on an Amazon EC2 instance. The instance currently runs in a single Availability Zone. The company requires a fault-tolerant database solution that provides a recovery time objective (RTO) and a recovery point objective (RPO) of 2 minutes or less. Which solution will meet these requirements?

A.

Migrate the MySQL database to Amazon RDS. Create a read replica in a second Availability Zone. Create a script that detects availability interruptions and promotes the read replica when needed.

B.

Migrate the MySQL database to Amazon RDS for MySQL. Configure the new RDS for MySQL database to use a Multi-AZ deployment.

C.

Create a second MySQL database in a second Availability Zone. Use native MySQL commands to sync the two databases every 2 minutes. Create a script that detects availability interruptions and promotes the second MySQL database when needed.

D.

Create a copy of the EC2 instance that runs the MySQL database. Deploy the copy in a second Availability Zone. Create a Network Load Balancer. Add both instances as targets.

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