A company is designing a distributed application to optimize its global supply chain and manufacturing process. The company has facilities near the us-east-1 Region, the eu-west-1 Region, and the ap-south-1 Region.
According to the application requirements, orders that are booked in one Region must be visible in the other two Regions in 1 second or less. The database must be able to support failover with a recovery time objective (RTO) of less than 5 minutes. The application must avoid downtime so that the manufacturing process is not negatively affected.
Which solution meets these requirements?
A. Use Amazon DynamoDB to invoke an AWS Lambda function.
B. Use an Amazon Aurora global database.
C. Use Amazon RDS for MySQL with a cross-Region read replica.
D. Use Amazon RDS for PostgreSQL with a cross-Region read replica.
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