nerdexam
Amazon

DBS-C01 · Question #189

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…

The correct answer is D. Use Multi-AZ and deploy a read replica in a secondary Region. High availability = Multi AZ Disaster recovery = Read replica in a secondary region (or standby instance)

Submitted by kevin_r· Mar 6, 2026Deployment and Migration

Question

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?

Options

  • AUse a Multi-AZ deployment in each Region.
  • BUse read replica deployments in all Availability Zones of the secondary Region.
  • CUse Multi-AZ and read replica deployments within a Region.
  • DUse Multi-AZ and deploy a read replica in a secondary Region.

How the community answered

(38 responses)
  • A
    8% (3)
  • B
    3% (1)
  • C
    16% (6)
  • D
    74% (28)

Explanation

High availability = Multi AZ Disaster recovery = Read replica in a secondary region (or standby instance)

Topics

#RDS MySQL#Multi-AZ#Read Replicas#Disaster Recovery (DR)#RPO/RTO

Community Discussion

No community discussion yet for this question.

Full DBS-C01 Practice