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Professional-Cloud-Database-Engineer Exam Dumps : Google Cloud Certified - Professional Cloud Database Engineer

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Google Cloud Certified - Professional Cloud Database Engineer Questions and Answers

Question 1

You are designing a physician portal app in Node.js. This application will be used in hospitals and clinics that might have intermittent internet connectivity. If a connectivity failure occurs, the app should be able to query the cached data. You need to ensure that the application has scalability, strong consistency, and multi-region replication. What should you do?

Options:

A.

Use Firestore and ensure that the PersistenceEnabled option is set to true.

B.

Use Memorystore for Memcached.

C.

Use Pub/Sub to synchronize the changes from the application to Cloud Spanner.

D.

Use Table.read with the exactStaleness option to perform a read of rows in Cloud Spanner.

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Question 2

Your customer is running a MySQL database on-premises with read replicas. The nightly incremental backups are expensive and add maintenance overhead. You want to follow Google-recommended practices to migrate the database to Google Cloud, and you need to ensure minimal downtime. What should you do?

Options:

A.

Create a Google Kubernetes Engine (GKE) cluster, install MySQL on the cluster, and then import the dump file.

B.

Use the mysqldump utility to take a backup of the existing on-premises database, and then import it into Cloud SQL.

C.

Create a Compute Engine VM, install MySQL on the VM, and then import the dump file.

D.

Create an external replica, and use Cloud SQL to synchronize the data to the replica.

Question 3

You use Python scripts to generate weekly SQL reports to assess the state of your databases and determine whether you need to reorganize tables or run statistics. You want to automate this report but need to minimize operational costs and overhead. What should you do?

Options:

A.

Create a VM in Compute Engine, and run a cron job.

B.

Create a Cloud Composer instance, and create a directed acyclic graph (DAG).

C.

Create a Cloud Function, and call the Cloud Function using Cloud Scheduler.

D.

Create a Cloud Function, and call the Cloud Function from a Cloud Tasks queue.