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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 choosing a new database backend for an existing application. The current database is running PostgreSQL on an on-premises VM and is managed by a database administrator and operations team. The application data is relational and has light traffic. You want to minimize costs and the migration effort for this application. What should you do?

Options:

A.

Migrate the existing database to Firestore.

B.

Migrate the existing database to Cloud SQL for PostgreSQL.

C.

Migrate the existing database to Cloud Spanner.

D.

Migrate the existing database to PostgreSQL running on Compute Engine.

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Question 2

You want to migrate an on-premises mission-critical PostgreSQL database to Cloud SQL. The database must be able to withstand a zonal failure with less than five minutes of downtime and still not lose any transactions. You want to follow Google-recommended practices for the migration. What should you do?

Options:

A.

Take nightly snapshots of the primary database instance, and restore them in a secondary zone.

B.

Build a change data capture (CDC) pipeline to read transactions from the primary instance, and replicate them to a secondary instance.

C.

Create a read replica in another region, and promote the read replica if a failure occurs.

D.

Enable high availability (HA) for the database to make it regional.

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.