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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 are managing a Cloud SQL for PostgreSQL instance in Google Cloud. You have a primary instance in region 1 and a read replica in region 2. After a failure of region 1, you need to make the Cloud SQL instance available again. You want to minimize data loss and follow Google-recommended practices. What should you do?

Options:

A.

Restore the Cloud SQL instance from the automatic backups in region 3.

B.

Restore the Cloud SQL instance from the automatic backups in another zone in region 1.

C.

Check "Lag Bytes" in the monitoring dashboard for the primary instance in the read replica instance. Check the replication status usingpg_catalog.pg_last_wal_receive_lsn(). Then, fail over to region 2 by promoting the read replica instance.

D.

Check your instance operational log for the automatic failover status. Look for time, type, and status of the operations. If the failover operation is successful, no action is necessary. Otherwise, manually perform gcloud sql instances failover .

Question 3

You are designing a new gaming application that uses a highly transactional relational database to store player authentication and inventory data in Google Cloud. You want to launch the game in multiple regions. What should you do?

Options:

A.

Use Cloud Spanner to deploy the database.

B.

Use Bigtable with clusters in multiple regions to deploy the database

C.

Use BigQuery to deploy the database

D.

Use Cloud SQL with a regional read replica to deploy the database.