A Company Hosts a Web Application on AWS in the Us-East-1

Multiple Choice

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.