A Company Is Selling Up an Application to Use an Amazon

Multiple Choice

A company is selling up an application to use an Amazon RDS MySQL DB instance. The database must be architected for high availability across Availability Zones and AWS Regions with minimal downtime. How should a solutions architect meet this requirement?

A) Set up an RDS MySQL Multi-AZ DB instance. Configure an appropriate backup window.
B) Set up an RDS MySQL Multi-AZ DB instance. Configure a read replica in a different Region.
C) Set up an RDS MySQL Single-AZ DB instance. Configure a read replica in a different Region.
D) Set up an RDS MySQL Single-AZ DB instance. Copy automated snapshots to at least one other Region.