PROFESSIONAL-CLOUD-ARCHITECT Question #349: Real Exam Question with Answer & Explanation

Question

A large healthcare provider's primary electronic health record (EHR) application runs on Compute Engine instances with a Cloud SQL for PostgreSQL database, all located in the us-west1 region. A new regulatory mandate requires you to implement and document a business continuity plan (BCP). This plan must ensure that the EHR application can be fully recovered and operational in a different geographical region with a recovery time objective (RTO) of two hours and a recovery point objective (RPO) of 15 minutes. You need to design a disaster recovery strategy that meets these strict BCP requirements. What should you do?

Options

• ADeploy active managed instance groups (MIGs) in both us-west1 and us-east1, fronted by a
• BUse Terraform to define the application's compute infrastructure. During a disaster, configure the
• CTake daily snapshots of the Compute Engine disks and Cloud SQL database. Copy these
• DDeploy a regional MIG in us-west1 for high availability, and rely on the Google Cloud SLA to

Explanation

Running active managed instance groups in two regions behind a global load balancer ensures the application layer can fail over immediately to a healthy region. Using a cross-region Cloud SQL read replica that is continuously replicated meets the 15-minute RPO requirement, and promoting the replica during an outage enables recovery well within the 2-hour RTO. This design provides a documented, production-ready disaster recovery architecture that satisfies strict business continuity requirements.

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