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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

Your organization has an existing app that just went viral. The app uses a Cloud SQL for MySQL backend database that is experiencing slow disk performance while using hard disk drives (HDDs). You need to improve performance and reduce disk I/O wait times. What should you do?

Options:

A.

Export the data from the existing instance, and import the data into a new instance with solid-state drives (SSDs).

B.

Edit the instance to change the storage type from HDD to SSD.

C.

Create a high availability (HA) failover instance with SSDs, and perform a failover to the new instance.

D.

Create a read replica of the instance with SSDs, and perform a failover to the new instance

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Question 2

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?

Options:

A.

Store your data in Firestore in a multi-region location, and place your compute resources in one of the constituent regions.

B.

Deploy Cloud Spanner using a multi-region instance, and place your compute resources close to the default leader region.

C.

Build an in-memory cache in Memorystore, and deploy to the specific geographic regions where your application resides.

D.

Deploy a Bigtable instance with a cluster in one region and a replica cluster in another geographic region.

Question 3

You are managing a mission-critical Cloud SQL for PostgreSQL instance. Your application team is running important transactions on the database when another DBA starts an on-demand backup. You want to verify the status of the backup. What should you do?

Options:

A.

Check the cloudsql.googleapis.com/postgres.log instance log.

B.

Perform the gcloud sql operations list command.

C.

Use Cloud Audit Logs to verify the status.

D.

Use the Google Cloud Console.