Review

Let's now practice a few exam-style questions:

1. End users of an application are complaining that they are experiencing intermittent performance issues with RDS for MySQL. After investigation, a database specialist determines that the performance issues occur during the automated backup window. What actions can the specialist perform to improve backup performance? (Select two.)
   1. Schedule an automated backup window to occur outside of peak hours.
   2. Increase the instance class.
   3. Create backups from a read replica.
   4. Increase the number of shards.
   5. Increase the storage on the RDS instance.
   6. Change the storage to provisioned Input/Output Operations per Second (IOPS).
2. Your company has a policy that requires all RDS backups to occur automatically on a specified schedule and be stored for 90 days. What is the optimal solution to meet this requirement?
   1. Create an AWS Backup policy for all RDS databases to include automated backups on RDS. Configure the data retention period to 90 days...