database-engineer-pro video for a Database Engineer is responsible for designing a backup and recovery solution for a heterogeneous environment that includes
A Database Engineer is responsible for designing a backup and recovery solution for a heterogeneous environment that includes databases running on Google Cloud SQL, Google Cloud Firestore, and Google Cloud Spanner. The solution must ensure low Recovery Point Objective (RPO) and Recovery Time Objective (RTO) while meeting the unique backup requirements of each database system. Which of the following backup and recovery solutions best meets these requirements?