A-Company Has On-Premises Servers Running a Relational Database

Multiple Choice

A-company has on-premises servers running a relational database. The current database serves high read traffic for users in different locations. The company wants to migrate to AWS with the least amount of effort. The database solution should support disaster recovery and not affect the company's current traffic flow. Which solution meets these requirements?

A) Use a database in Amazon RDS with Multi-AZ and at least one read replica.
B) Use a database in Amazon ROS with Multi-AZ and at least one standby replica.
C) Use databases hosted on multiple Amazon EC2 instances in different AWS Regions.
D) Use databases hosted on Amazon EC2 instances behind an Application Load Balancer in different Availability Zones.