AWS Certified Database – Specialty – Question179

A database specialist is responsible for designing a highly available solution for online transaction processing (OLTP) using Amazon RDS for MySQL production databases. Disaster recovery requirements include a cross-Region deployment along with an RPO of 5 minutes and RTO of 30 minutes.
What should the database specialist do to align to the high availability and disaster recovery requirements?

A.
Use a Multi-AZ deployment in each Region.
B. Use read replica deployments in all Availability Zones of the secondary Region.
C. Use Multi-AZ and read replica deployments within a Region.
D. Use Multi-AZ and deploy a read replica in a secondary Region.

Correct Answer: C

Explanation:

Explanation:
DR for Multi-AZ with in-Region read replicas ­ While Amazon RDS Multi-AZ provides HA and data protection, the associated in-Region read replica renders the scalability of read-only workloads, and the cross-Region automated backups feature provides DR.
Reference: https://dataintegration.info/managed-disaster-recovery-with-amazon-…