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  4. PROFESSIONAL CLOUD DATABASE ENGINEER

Google PROFESSIONAL CLOUD DATABASE ENGINEER Exam Actual Questions
Professional Cloud Database Engineer (Page 3 )

Updated On: 8-Aug-2026
Page 3 of 28
PDF with 197 Questions

You are setting up a Bare Metal Solution environment. You need to update the operating system to the latest version. You need to connect the Bare Metal Solution environment to the internet so you can receive software updates.
What should you do?

  1. Setup a static external IP address in your VPC network.
  2. Set up bring your own IP (BYOIP) in your VPC.
  3. Set up a Cloud NAT gateway on the Compute Engine VM.
  4. Set up Cloud NAT service.

Answer(s): C

Explanation:

https://cloud.google.com/bare-metal/docs/bms-setup?hl=en#bms-access-internet-vm-nat The docs specifically says "Setting up a NAT gateway on a Compute Engine VM" is the way to give BMS internet access.



Your organization is running a MySQL workload in Cloud SQL. Suddenly you see a degradation in database performance. You need to identify the root cause of the performance degradation.
What should you do?

  1. Use Logs Explorer to analyze log data.
  2. Use Cloud Monitoring to monitor CPU, memory, and storage utilization metrics.
  3. Use Error Reporting to count, analyze, and aggregate the data.
  4. Use Cloud Debugger to inspect the state of an application.

Answer(s): B

Explanation:

https://cloud.google.com/sql/docs/mysql/diagnose-
issues#:~:text=If%20your%20instance%20stops%20responding%20to%20connections%20or%20performance%20is%20degraded%2C%20make%20sure%20it%20conforms%20to%20the%20Operational %20Guidelines



You work for a large retail and ecommerce company that is starting to extend their business globally.
Your company plans to migrate to Google Cloud. You want to use platforms that will scale easily, handle transactions with the least amount of latency, and provide a reliable customer experience. You need a storage layer for sales transactions and current inventory levels. You want to retain the same relational schema that your existing platform uses.
What should you do?

  1. Store your data in Firestore in a multi-region location, and place your compute resources in one of the constituent regions.
  2. Deploy Cloud Spanner using a multi-region instance, and place your compute resources close to the default leader region.
  3. Build an in-memory cache in Memorystore, and deploy to the specific geographic regions where your application resides.
  4. Deploy a Bigtable instance with a cluster in one region and a replica cluster in another geographic region.

Answer(s): B



You host an application in Google Cloud. The application is located in a single region and uses Cloud SQL for transactional data.
Most of your users are located in the same time zone and expect the application to be available 7 days a week, from 6 AM to 10 PM. You want to ensure regular maintenance updates to your Cloud SQL instance without creating downtime for your users.
What should you do?

  1. Configure a maintenance window during a period when no users will be on the system. Control the order of update by setting non-production instances to earlier and production instances to later.
  2. Create your database with one primary node and one read replica in the region.
  3. Enable maintenance notifications for users, and reschedule maintenance activities to a specific time after notifications have been sent.
  4. Configure your Cloud SQL instance with high availability enabled.

Answer(s): A

Explanation:

Configure a maintenance window during a period when no users will be on the system. Control the order of update by setting non-production instances to earlier and production instances to later.



Your team recently released a new version of a highly consumed application to accommodate additional user traffic. Shortly after the release, you received an alert from your production monitoring team that there is consistently high replication lag between your primary instance and the read replicas of your Cloud SQL for MySQL instances. You need to resolve the replication lag.
What should you do?

  1. Identify and optimize slow running queries, or set parallel replication flags.
  2. Stop all running queries, and re-create the replicas.
  3. Edit the primary instance to upgrade to a larger disk, and increase vCPU count.
  4. Edit the primary instance to add additional memory.

Answer(s): A

Explanation:

https://cloud.google.com/sql/docs/mysql/replication/replication- lag#optimize_queries_and_schema



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