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GCP Professional Cloud Architect Practice Question

Your team is preparing a detailed runbook for migrating a mission-critical 10 TB on-premises PostgreSQL database to Cloud SQL for PostgreSQL using Database Migration Service (DMS). The runbook is divided into discovery/assessment, planning, and execution sections. Which of the following tasks belongs in the planning section rather than in discovery/assessment or execution?

  • Document a rollback plan and the precise order in which client applications will be cut over to Cloud SQL.

  • Inventory all database schemas and collect baseline CPU, I/O, and query-latency statistics from the source instance.

  • Execute user-acceptance and performance tests against the Cloud SQL instance to confirm it meets the agreed service level objective.

  • Start a DMS continuous-data-replication job and monitor lag until scheduled cutover time.

GCP Professional Cloud Architect
Managing implementation
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