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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 need to redesign the architecture of an application that currently uses Cloud SQL for PostgreSQL. The users of the application complain about slow query response times. You want to enhance your application architecture to offer sub-millisecond query latency. What should you do?

Options:

A.

Configure Firestore, and modify your application to offload queries.

B.

Configure Bigtable, and modify your application to offload queries.

C.

Configure Cloud SQL for PostgreSQL read replicas to offload queries.

D.

Configure Memorystore, and modify your application to offload queries.

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Question 2

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

Question 3

You are a DBA of Cloud SQL for PostgreSQL. You want the applications to have password-less authentication for read and write access to the database. Which authentication mechanism should you use?

Options:

A.

Use Identity and Access Management (IAM) authentication.

B.

Use Managed Active Directory authentication.

C.

Use Cloud SQL federated queries.

D.

Use PostgreSQL database's built-in authentication.