2026 Valid Professional-Cloud-Database-Engineer Dumps for Helping Passing Google Exam!

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The Google Professional-Cloud-Database-Engineer exam covers various topics such as database architecture, database design, data modeling, database security, database optimization, and database maintenance. Professional-Cloud-Database-Engineer exam also assesses an individual's ability to design, implement, and manage highly available and scalable database solutions using Google Cloud Platform services such as Cloud SQL, Cloud Spanner, and Cloud Bigtable.

 

NEW QUESTION # 64
You are building an Android game that needs to store data on a Google Cloud serverless database. The database will log user activity, store user preferences, and receive in-game updates. The target audience resides in developing countries that have intermittent internet connectivity. You need to ensure that the game can synchronize game data to the backend database whenever an internet network is available. What should you do?

• A. Use Cloud SQL with an external (public) IP address.
• B. Use Firestore.
• C. Use Cloud Spanner.
• D. Use an in-app embedded database.

Answer: B

Explanation:
https://firebase.google.com/docs/firestore

NEW QUESTION # 65
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 Firestore.
• B. Use Cloud Spanner.
• C. Use Cloud SQL for MySQL
• D. Use Bigtable.

Answer: B

Explanation:
Spanner covers the SLA

NEW QUESTION # 66
You are designing a payments processing application on Google Cloud. The application must continue to serve requests and avoid any user disruption if a regional failure occurs. You need to use AES-256 to encrypt data in the database, and you want to control where you store the encryption key. What should you do?

• A. Use Cloud Spanner with a customer-managed encryption key (CMEK).
• B. Use Cloud SQL with a customer-managed encryption key (CMEK).
• C. Use Cloud Spanner with default encryption.
• D. Use Bigtable with default encryption.

Answer: A

Explanation:
Yes default encryption comes with AES-256 but the question states that you need to control where you store the encryption keys. that can be achieved by CMEK.

NEW QUESTION # 67
You released a popular mobile game and are using a 50 TB Cloud Spanner instance to store game data in a PITR-enabled production environment. When you analyzed the game statistics, you realized that some players are exploiting a loophole to gather more points to get on the leaderboard. Another DBA accidentally ran an emergency bugfix script that corrupted some of the data in the production environment. You need to determine the extent of the data corruption and restore the production environment. What should you do?
(Choose two.)

• A. If the corruption is insignificant, perform a stale read and specify a recovery timestamp. Write the results back.
• B. If the corruption is significant, use import and export.
• C. If the corruption is significant, use backup and restore, and specify a recovery timestamp.
• D. If the corruption is significant, perform a stale read and specify a recovery timestamp. Write the results back.
• E. If the corruption is insignificant, use backup and restore, and specify a recovery timestamp.

Answer: A,C

Explanation:
https://cloud.google.com/spanner/docs/pitr#ways-to-recover
To recover the entire database, backup or export the database specifying a timestamp in the past and then restore or import it to a new database. This is typically used to recover from data corruption issues when you have to revert the entire database to a point-in-time before the corruption occurred.
This part describes significant corruption - A
To recover a portion of the database, perform a stale read specifying a query-condition and timestamp in the past, and then write the results back into the live database. This is typically used for surgical operations on a live database. For example, if you accidentally delete a particular row or incorrectly update a subset of data, you can recover it with this method.
This describes insignificant corruption case - E
https://cloud.google.com/spanner/docs/pitrhttps://cloud.google.com/spanner/docs/backup/restore-backup

NEW QUESTION # 68
You are the database administrator of a Cloud SQL for PostgreSQL instance that has pgaudit disabled. Users are complaining that their queries are taking longer to execute and performance has degraded over the past few months. You need to collect and analyze query performance data to help identity slow-running queries. What should you do?

• A. Review application logs to identify database calls.
• B. White a Logs Explorer query to identify database queries with high execution times.
• C. Use the Query Insights dashboard to identify high execution times.
• D. View Cloud SQL operations to view historical query information.

Answer: C

Explanation:
A Cloud SQL instance configured for HA is also called a regional instance and has a primary and secondary zone within the configured region. Within a regional instance, the configuration is made up of a primary instance and a standby instance. Through synchronous replication to each zone's persistent disk, all writes made to the primary instance are replicated to disks in both zones before a transaction is reported as committed. In the event of an instance or zone failure, the standby instance becomes the new primary instance. Users are then rerouted to the new primary instance. This process is called a failover.

NEW QUESTION # 69
Your organization is running a Firestore-backed Firebase app that serves the same top ten news stories on a daily basis to a large global audience. You want to optimize content delivery while decreasing cost and latency. What should you do?

• A. Deploy a US multi-region Firestore location.
• B. Create a Firestore index on the news story date.
• C. Build a Firestore bundle, and deploy bundles to Cloud CDN.
• D. Enable serializable isolation in the Firebase app.

Answer: C

Explanation:
A global audience strongly suggests serving content via Google's Content Delivery Network. Changing the isolation level won't decrease cost or latency

NEW QUESTION # 70
Your retail organization is preparing for the holiday season. Use of catalog services is increasing, and your DevOps team is supporting the Cloud SQL databases that power a microservices-based application. The DevOps team has added instrumentation through Sqlcommenter. You need to identify the root cause of why certain microservice calls are failing. What should you do?

• A. Watch Cloud Trace for application requests that are failing.
• B. Watch the Cloud SQL instance monitor for CPU utilization metrics.
• C. Watch the Cloud SQL recommenders for overprovisioned instances.
• D. Watch Query Insights for long running queries.

Answer: D

Explanation:
Cloud Trace doesn't support Cloud SQL. Eliminate D. Cloud SQL recommenders for overprovisioned instances would tell you about Cloud SQL instances which are too large for their workload. Eliminate C. Monitoring CPU utilization wouldn't tell you why microservice calls are failing. Eliminate B. SQLcommenter integrates with Query Insights. So A is the best answer. https://cloud.google.com/blog/topics/developers-practitioners/introducing-sqlcommenter-open-source-orm-auto-instrumentation-library

NEW QUESTION # 71
You are managing a small Cloud SQL instance for developers to do testing. The instance is not critical and has a recovery point objective (RPO) of several days. You want to minimize ongoing costs for this instance.
What should you do?

• A. Turn on automated backup, and turn on transaction log retention.
• B. Take no backups, and turn off transaction log retention.
• C. Take one manual backup per day, and turn off transaction log retention.
• D. Turn on automated backup, and turn off transaction log retention.

Answer: D

Explanation:
https://cloud.google.com/sql/docs/mysql/backup-recovery/backups

NEW QUESTION # 72
Your organization has a ticketing system that needs an online marketing analytics and reporting application.
You need to select a relational database that can manage hundreds of terabytes of data to support this new application. Which database should you use?

• A. BigQuery
• B. Cloud SQL
• C. Cloud Spanner
• D. Bigtable

Answer: A

NEW QUESTION # 73
Your application follows a microservices architecture and uses a single large Cloud SQL instance, which is starting to have performance issues as your application grows. in the Cloud Monitoring dashboard, the CPU utilization looks normal You want to follow Google-recommended practices to resolve and prevent these performance issues while avoiding any major refactoring. What should you do?

• A. Use many smaller Cloud SQL instances.
• B. Increase the number of CPUs for your instance.
• C. Use Cloud Spanner instead of Cloud SQL.
• D. Increase the storage size for the instance.

Answer: A

Explanation:
https://cloud.google.com/sql/docs/mysql/best-practices#data-arch

NEW QUESTION # 74
You are troubleshooting a connection issue with a newly deployed Cloud SQL instance on Google Cloud. While investigating the Cloud SQL Proxy logs, you see the message Error 403: Access Not Configured. What should you do?

• A. Check the app.yaml value cloud_sql_instances for a misspelled or incorrect instance connection name.
• B. Ensure that you are using an external (public) IP address interface.
• C. Check whether your service account has cloudsql.instances.connect permission.
• D. Enable the Cloud SQL Admin API.

Answer: D

Explanation:
https://cloud.google.com/sql/docs/mysql/connect-auth-proxy#troubleshooting C because in docs it says "Make sure to enable the Cloud SQL Admin API. If it is not, you see output like Error 403: Access Not Configured in your Cloud SQL

NEW QUESTION # 75
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 Database Migration Service to migrate the databases to Cloud SQL.
• B. Use a read replica to migrate the databases to Cloud SQL.
• C. Use an external read replica 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: B,E

NEW QUESTION # 76
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?

• A. Use Cloud Debugger to inspect the state of an application.
• B. Use Logs Explorer to analyze log data.
• C. Use Cloud Monitoring to monitor CPU, memory, and storage utilization metrics.
• D. Use Error Reporting to count, analyze, and aggregate the data.

Answer: C

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

NEW QUESTION # 77
You work for a financial services company that wants to use fully managed database services. Traffic volume for your consumer services products has increased annually at a constant rate with occasional spikes around holidays. You frequently need to upgrade the capacity of your database. You want to use Cloud Spanner and include an automated method to increase your hardware capacity to support a higher level of concurrency.
What should you do?

• A. Use linear scaling to implement the Autoscaler-based architecture
• B. Upgrade the Cloud Spanner instance on a periodic basis during the scheduled maintenance window.
• C. Use direct scaling to implement the Autoscaler-based architecture.
• D. Set up alerts that are triggered when Cloud Spanner utilization metrics breach the threshold, and then schedule an upgrade during the scheduled maintenance window.

Answer: A

Explanation:
Linear scaling is best used with load patterns that change more gradually or have a few large peaks. The method calculates the minimum number of nodes or processing unitsrequired to keep utilization below the scaling threshold. The number of nodes or processing units added or removed in each scaling event is not limited to a fixed step amount.https://cloud.google.com/spanner/docs/autoscaling-overview#linear

NEW QUESTION # 78
Your company is using Cloud SQL for MySQL with an internal (private) IP address and wants to replicate some tables into BigQuery in near-real time for analytics and machine learning. You need to ensure that replication is fast and reliable and uses Google-managed services. What should you do?

• A. Develop a custom data replication service to send data into BigQuery.
• B. Use Datastream to capture changes, and use Dataflow to write those changes to BigQuery.
• C. Use Cloud SQL federated queries.
• D. Use Database Migration Service to replicate tables into BigQuery.

Answer: B

NEW QUESTION # 79
You are managing two different applications: Order Management and Sales Reporting. Both applications interact with the same Cloud SQL for MySQL database. The Order Management application reads and writes to the database 24/7, but the Sales Reporting application is read-only. Both applications need the latest dat a. You need to ensure that the Performance of the Order Management application is not affected by the Sales Reporting application. What should you do?

• A. Queue up all the requested reports in PubSub, and execute the reports at night.
• B. Use a Cloud SQL federated query for the Sales Reporting application.
• C. Create two separate databases in the instance, and perform dual writes from the Order Management application.
• D. Create a read replica for the Sales Reporting application.

Answer: B

NEW QUESTION # 80
You are building an application that allows users to customize their website and mobile experiences. The application will capture user information and preferences. User profiles have a dynamic schema, and users can add or delete information from their profile. You need to ensure that user changes automatically trigger updates to your downstream BigQuery data warehouse. What should you do?

• A. Use Firestore in Native mode, and store user profile data as a document. Update the user profile with preferences specific to that user and use the user identifier to query.
• B. Use Firestore in Datastore mode, and store user profile data as a document. Update the user profile with preferences specific to that user and use the user identifier to query.
• C. Store your data in Bigtable, and use the user identifier as the key. Use one column family to store user profile data, and use another column family to store user preferences.
• D. Use Cloud SQL, and create different tables for user profile data and user preferences from your recommendations model. Use SQL to join the user profile data and preferences

Answer: C

NEW QUESTION # 81
You are migrating your data center to Google Cloud. You plan to migrate your applications to Compute Engine and your Oracle databases to Bare Metal Solution for Oracle. You must ensure that the applications in different projects can communicate securely and efficiently with the Oracle databases. What should you do?

• A. Set up Serverless VPC Access.
• B. Set up a Shared VPC, configure multiple service projects, and create firewall rules.
• C. Set up Traffic Director.
• D. Set up Private Service Connect.

Answer: B

Explanation:
https://medium.com/google-cloud/shared-vpc-in-google-cloud-64527e0a409e#:~:text=Unlike%20VPC%
20peering%2C%20Shared%20VPC%20connects%20projects%20within%20the%20same%20organization.
&text=There%20are%20a%20lot%20of,between%20VPCs%20in%20different%20projects.

NEW QUESTION # 82
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