Review Questions

When replicating data from a primary RDS instance to a secondary one, how much will you be charged, in relation to the standard data transfer charge?

1. Your data will be transferred at the standard data transfer charge.
2. Your data will be transferred at half of the standard data transfer charge.
3. Your data will be transferred at half of the standard data transfer charge up to 1 GB of transfer per day and then additional data at the standard data transfer charge.
4. There is no charge for primary-to-secondary data replication.

Which of the following are valid options for where an RDS read replica is set up in relation to the primary instance? (Choose two.)

1. In the same region as the primary instance
2. In a separate region from the primary instance
3. In an instance running on premises
4. Both A and B

What is the primary purpose of a read replica RDS configuration?

1. Disaster recovery
2. Fault tolerance
3. Performance
4. Security

Which of the following databases support read replicas...