Free Google Professional-Cloud-Database-Engineer Exam Questions

Become Google Certified with updated Professional-Cloud-Database-Engineer exam questions and correct answers

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Total 143 Questions | Updated On: Nov 26, 2025

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Question 1

Your organization stores marketing data such as customer preferences and purchase history on Bigtable. The consumers of this database are predominantly data analysts and operations users. You receive a service ticket from the database operations department citing poor database performance between 9 AM-10 AM every day. Theapplication team has confirmed no latency from their logs. A new cohort of pilot users that is testing a dataset loaded from a third-party data provider is experiencing poor database performance. Other users are not affected. You need to troubleshoot the issue. What should you do?

A : Isolate the data analysts and operations user groups to use different Bigtable instances.

B : Check the Cloud Monitoring table/bytes_used metric from Bigtable.

C : Use Key Visualizer for Bigtable.

D : Add more nodes to the Bigtable cluster.

Answer: C

Question 2

Your online delivery business that primarily serves retail customers uses Cloud SQL for MySQL for its inventory and scheduling application. The required recovery time objective (RTO) and recovery point objective (RPO) must be in minutes rather than hours as a part of your high availability and disaster recovery design. You need a high availability configuration that can recover without data loss during a zonal or a regional failure. What should you do?

A : t up all read replicas in a different region using asynchronous replication.

B : t up all read replicas in the same region as the primary instance with synchronous replication.

C : t up read replicas in different zones of the same region as the primary instance with synchronous replication, and set up read replicas in different regions with asynchronous replication.

D : t up read replicas in different zones of the same region as the primary instance with asynchronous replication, and set up read replicas in different regions with synchronous replication.

Answer: C

Question 3

Your company is shutting down their data center and migrating several MySQL and PostgreSQL databases to Google Cloud. Your database operations team is severely constrained by ongoing production releases and the lack of capacity for additional on-premises backups. You want to ensure that the scheduled migrations happen with minimal downtime and that the Google Cloud databases stay in sync with the on-premises data changes until the applications can cut over. What should you do? (Choose two.)

A : Use an external read replica to migrate the databases to Cloud SQL.

B : Use a read replica to migrate the databases to Cloud SQL.

C : Use Database Migration Service to migrate the databases to Cloud SQL.

D : Use a cross-region read replica to migrate the databases to Cloud SQL.

E : Use replication from an external server to migrate the databases to Cloud SQL.

Answer: C,E

Question 4

Your organization has strict policies on tracking rollouts to production and periodically shares this information with external auditors to meet compliance requirements. You need to enable auditing on several Cloud Spanner databases. What should you do?

A : Use replication to roll out changes to higher environments.

B : Use backup and restore to roll out changes to higher environments.

C : Use Liquibase to roll out changes to higher environments.

D : Manually capture detailed DBA audit logs when changes are rolled out to higher environments.

Answer: C

Question 5

Your company is developing a new global transactional application that must be ACID-compliant and have 99.999% availability. You are responsible for selecting the appropriate Google Cloud database to serve as a datastore for this new application. What should you do?

A : Use Firestore.

B : Use Cloud Spanner.

C : Use Cloud SQL.

D : Use Bigtable.

Answer: B

Page: 1 / 29

Total 143 Questions | Updated On: Nov 26, 2025

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