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: Apr 29, 2026

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Question 1

You have a Cloud SQL instance (DB-1) with two cross-region read replicas (DB-2 and DB-3). During a business continuity test, the primary instance (DB-1) was taken offline and a replica (DB-2) was promoted. The test has concluded and you want to return to the pre-test configuration. What should you do?

A : ing DB-1 back online.

B : lete DB-1, and re-create DB-1 as a read replica in the same region as DB-1.

C : lete DB-2 so that DB-1 automatically reverts to the primary instance.

D : eate DB-4 as a read replica in the same region as DB-1, and promote DB-4 to primary.

Answer: C

Question 2

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 3

You are migrating an on-premises application to Google Cloud. The application requires a high availability

(HA) PostgreSQL database to support business-critical functions. Your company's disaster recovery strategy

requires a recovery time objective (RTO) and recovery point objective (RPO) within 30 minutes of failure.

You plan to use a Google Cloud managed service. What should you do to maximize uptime for your

application?

A : Deploy Cloud SQL for PostgreSQL in a regional configuration. Create a read replica in a different zonein the same region and a read replica in another region for disaster recovery.

B : Deploy Cloud SQL for PostgreSQL in a regional configuration with HA enabled. Take periodicbackups, and use this backup to restore to a new Cloud SQL for PostgreSQL instance in another regionduring a disaster recovery event.

C : Deploy Cloud SQL for PostgreSQL in a regional configuration with HA enabled. Create a cross-regionread replica, and promote the read replica as the primary node for disaster recovery.

D : Migrate the PostgreSQL database to multi-regional Cloud Spanner so that a single region outage will notaffect your application. Update the schema to support Cloud Spanner data types, and refactor theapplication.

Answer: C

Question 4

Your team is building a new inventory management application that will require read and write database instances in multiple Google Cloud regions around the globe. Your database solution requires 99.99% availability and global transactional consistency. You need a fully managed backend relational database to store inventory changes. What should you do?

A : Use Bigtable.

B : Use Firestore.

C : Use Cloud SQL for MySQL

D : Use Cloud Spanner.

Answer: D

Question 5

You recently launched a new product to the US market. You currently have two Bigtable clusters in one US region to serve all the traffic. Your marketing team is planning an immediate expansion to APAC. You need to roll out the regional expansion while implementing high availability according to Google-recommended practices. What should you do?

A : Maintain a target of 23% CPU utilization by locating:cluster-a in zone us-central1-acluster-b in zone europe-west1-dcluster-c in zone asia-east1-b

B : Maintain a target of 23% CPU utilization by locating:cluster-a in zone us-central1-acluster-b in zone us-central1-bcluster-c in zone us-east1-a

C : Maintain a target of 35% CPU utilization by locating:cluster-a in zone us-central1-acluster-b in zone australia-southeast1-acluster-c in zone europe-west1-dcluster-d in zone asia-east1-b

D : Maintain a target of 35% CPU utilization by locating:cluster-a in zone us-central1-acluster-b in zone us-central2-acluster-c in zone asia-northeast1-bcluster-d in zone asia-east1-b

Answer: D

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Total 143 Questions | Updated On: Apr 29, 2026

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