A social learning platform allows students to connect with other students as well as experts and professionals from academic, research institutes and industry. The engineering team at the company manages 5 Amazon EC2 instances that make read-heavy database requests to the Amazon RDS for PostgreSQL DB cluster. As an AWS Certified Solutions Architect Professional, you have been asked to make the database cluster resilient from a disaster recovery perspective. Which of the following features will help you prepare for database disaster recovery? (Select two)