Q342. A company hosts a web application on AWS in the us-east-1 Region. The application servers are distributed across three Availability Zones behind an Application Load Balancer. The database is hosted in MYSQL database on an Amazon EC2 instance. A solutions architect needs to design a cross-Region data recovery solution using AWS services with an RTO of less than 5 minutes and an RPO of less than 1 minute. The solutions architect is deploying application servers in us-west- 2 and has configured Amazon Route 53 health checks and DNS failover to us-west-2.Which additional step should the solutions architect take?
A.Migrate the database to an Amazon RDS for MySQL instance with a cross- Region read replica in us- west-2. B.Migrate the database to an Amazon Aurora global database with the primary in us-east-1 and the secondary in us-west-2. C.Migrate the database to an Amazon RDS for MySQL instance with a Multi-AZ deployment. D.Create a MySQL standby database on an Amazon EC2 instance in us-west-2.正确答案B