Google Exam Professional Cloud Database Engineer Topic 3 Question 49 Discussion

Actual exam question for Google's Professional Cloud Database Engineer exam

Question #: 49
Topic #: 3

[All Professional Cloud Database Engineer Questions]

You are managing a Cloud SQL for PostgreSQL instance in Google Cloud. You have a primary instance in region 1 and a read replica in region 2. After a failure of region 1, you need to make the Cloud SQL instance available again. You want to minimize data loss and follow Google-recommended practices. What should you do?

ARestore the Cloud SQL instance from the automatic backups in region 3.

BRestore the Cloud SQL instance from the automatic backups in another zone in region 1.

CCheck 'Lag Bytes' in the monitoring dashboard for the primary instance in the read replica instance. Check the replication status using pg_catalog.pg_last_wal_receive_lsn(). Then, fail over to region 2 by promoting the read replica instance.

DCheck your instance operational log for the automatic failover status. Look for time, type, and status of the operations. If the failover operation is successful, no action is necessary. Otherwise, manually perform gcloud sql instances failover .

Show Suggested Answer

Suggested Answer: C

https://cloud.google.com/sql/docs/postgres/replication/cross-region-replicas#disaster_recovery

by Howard at Dec 07, 2024, 03:14 AM

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