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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 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.

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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

Your team recently released a new version of a highly consumed application to accommodate additional user traffic. Shortly after the release, you received an alert from your production monitoring team that there is consistently high replication lag between your primary instance and the read replicas of your Cloud SQL for MySQL instances. You need to resolve the replication lag. What should you do?

Options:

A.

Identify and optimize slow running queries, or set parallel replication flags.

B.

Stop all running queries, and re-create the replicas.

C.

Edit the primary instance to upgrade to a larger disk, and increase vCPU count.

D.

Edit the primary instance to add additional memory.