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: May 12, 2026

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Question 1

Your organization has a production Cloud SQL for MySQL instance. Your instance is configured with 16 vCPUs and 104 GB of RAM that is running between 90% and 100% CPU utilization for most of the day. You need to scale up the database and add vCPUs with minimal interruption and effort. What should you do?

A : Issue a gcloud sql instances patch command to increase the number of vCPUs.

B : Update a MySQL database flag to increase the number of vCPUs.

C : Issue a gcloud compute instances update command to increase the number of vCPUs.

D : Back up the database, create an instance with additional vCPUs, and restore the database.

Answer: A

Question 2

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 3

You need to migrate a 1 TB PostgreSQL database from a Compute Engine VM to Cloud SQL for PostgreSQL. You want to ensure that there is minimal downtime during the migration. What should you do?

A : Export the data from the existing database, and load the data into a new Cloud SQL database.

B : Use Migrate for Compute Engine to complete the migration.

C : Use Datastream to complete the migration.

D : Use Database Migration Service to complete the migration.

Answer: D

Question 4

You are configuring a new application that has access to an existing Cloud Spanner database. The new application reads from this database to gather statistics for a dashboard. You want to follow Googlerecommended practices when granting Identity and Access Management (IAM) permissions. What should you do?

A : Reuse the existing service account that populates this database.

B : Create a new service account, and grant it the Cloud Spanner Database Admin role.

C : Create a new service account, and grant it the Cloud Spanner Database Reader role.

D : Create a new service account, and grant it the spanner.databases.select permission.

Answer: C

Question 5

You want to migrate an on-premises mission-critical PostgreSQL database to Cloud SQL. The database must be able to withstand a zonal failure with less than five minutes of downtime and still not lose any transactions. You want to follow Google-recommended practices for the migration. What should you do?

A : Take nightly snapshots of the primary database instance, and restore them in a secondary zone.

B : Build a change data capture (CDC) pipeline to read transactions from the primary instance, and replicate them to a secondary instance.

C : Create a read replica in another region, and promote the read replica if a failure occurs.

D : Enable high availability (HA) for the database to make it regional.

Answer: D

Page: 1 / 29

Total 143 Questions | Updated On: May 12, 2026

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