Hard1 markMultiple Choice
Subtask 4.3: Resilience ProceduresDisaster RecoveryCloud SQLRPO/RTOCase Study
This question is part of a case study — click to read the full scenario(Case 16)

CASE STUDY: MediSecure
Overview: Telehealth provider, 1500 employees, $300M revenue. Core app on AWS, 3 acquired clinics on VMware, fragmented EHRs, Active Directory.
Business Req: Unify patient records, integrate clinics in 90 days, launch patient portal.
Execs: CEO wants rapid integration; CFO wants CapEx to OpEx; CISO demands strict HIPAA/GDPR compliance.
Tech Req: End-to-end PHI encryption, comprehensive audit logging, hybrid connectivity to clinics, DR (RPO 5m, RTO 1h).
Constraints: Clinics have low bandwidth, high staff turnover requires automated IAM, legacy EHRs cannot be modified immediately.

QUESTION:
To meet the 90-day integration timeline and address the low bandwidth at the clinics, how should you establish hybrid connectivity to GCP?

GCP PCA · Question 18 · Resilience Procedures

CASE STUDY: MediSecure
Overview: Telehealth provider, 1500 employees, $300M revenue. Core app on AWS, 3 acquired clinics on VMware, fragmented EHRs, Active Directory.
Business Req: Unify patient records, integrate clinics in 90 days, launch patient portal.
Execs: CEO wants rapid integration; CFO wants CapEx to OpEx; CISO demands strict HIPAA/GDPR compliance.
Tech Req: End-to-end PHI encryption, comprehensive audit logging, hybrid connectivity to clinics, DR (RPO 5m, RTO 1h).
Constraints: Clinics have low bandwidth, high staff turnover requires automated IAM, legacy EHRs cannot be modified immediately.

QUESTION:
Which database architecture meets the Disaster Recovery requirements of RPO 5 minutes and RTO 1 hour for the unified patient portal?

Answer options:

A.

Compute Engine VMs running MySQL with daily snapshots.

B.

Cloud SQL with High Availability (HA) enabled and cross-region read replicas.

C.

Cloud Storage multi-region buckets.

D.

BigQuery with cross-region dataset replication.

How to approach this question

Match the RPO/RTO metrics to the capabilities of GCP managed databases.

Full Answer

B.Cloud SQL with High Availability (HA) enabled and cross-region read replicas.✓ Correct
Cloud SQL HA provides synchronous replication across zones for immediate failover. For regional disasters, a cross-region read replica uses asynchronous replication (usually seconds behind, easily beating the 5-minute RPO) and can be promoted to a primary instance well within the 1-hour RTO.

Common mistakes

Choosing daily backups/snapshots (A), which completely fails the 5-minute RPO constraint.

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