Google - Professional-Cloud-Database-Engineer - Google Cloud Certified - Professional Cloud Database Engineer–Professional Exam Bible

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The Professional-Cloud-Database-Engineer Exam is intended for individuals who have experience working with databases on the Google Cloud Platform. Professional-Cloud-Database-Engineer exam covers a wide range of topics, including database design, data modeling, data warehousing, data migration, database security, and database optimization. It also covers topics related to managing databases in a cloud environment, such as scalability, availability, and disaster recovery.

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Google Professional-Cloud-Database-Engineer Certification Exam is designed to test the candidate's practical skills and knowledge. It requires candidates to demonstrate their ability to apply their theoretical knowledge to real-world scenarios. Candidates need to have hands-on experience in designing, developing, and managing databases on Google Cloud Platform. They should also have a good understanding of database concepts such as data modeling, normalization, indexing, and query optimization.

Google Cloud Certified - Professional Cloud Database Engineer Sample Questions (Q34-Q39):

NEW QUESTION # 34
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?

A. 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 .
B. Restore the Cloud SQL instance from the automatic backups in region 3.
C. Restore the Cloud SQL instance from the automatic backups in another zone in region 1.
D. Check "Lag Bytes" in the monitoring dashboard for the primary instance in the read replica instance. Check the replication status using pg_catalog.pg_last_wal_receive_lsn(). Then, fail over to region 2 by promoting the read replica instance.

Answer: D

Explanation:
No need for restores if you have a read replica which you can promote to be the new primary.
Eliminate A and B. Failovers do not happen automatically to read replicas. You have to promote them. Eliminate D. That leaves C which is supported by Google's documentation.
https://cloud.google.com/sql/docs/postgres/replication/cross-region-replicas#disaster_recovery

NEW QUESTION # 35
Which connection method should applications use to connect to a regional Cloud Memorystore for Redis instance to keep 99th percentile latency under 4 milliseconds while minimizing operational overhead?

A. Use a regional load balancer in front of Redis
B. Private Service Connect
C. Use the Redis private IP in the same VPC and region

Answer: C

Explanation:
Connecting directly over the instance private address within the same network and region keeps the path short and predictable which helps keep the 99th percentile latency under four milliseconds. This direct approach has no extra proxies and no cross region hops and it also minimizes operational overhead because there is nothing to deploy or manage between your clients and the managed Redis endpoint.

NEW QUESTION # 36
You have deployed a Cloud SQL for SQL Server instance. In addition, you created a cross-region read replica for disaster recovery (DR) purposes. Your company requires you to maintain and monitor a recovery point objective (RPO) of less than 5 minutes. You need to verify that your cross-region read replica meets the allowed RPO. What should you do?

A. Use Cloud SQL logs.
B. Use Cloud SQL instance monitoring.
C. Use the Cloud Monitoring dashboard with available metrics from Cloud SQL.
D. Use the SQL Server Always On Availability Group dashboard.

Answer: D

Explanation:
Note, you cannot create a read replica in Cloud SQL for SQL Server unless you use an Enterprise Edition.
Which is also a requirement for configuring SQL Server AG. That's not a coincidence. That's how Cloud SQL for SQL Server creates SQL Server read replicas. To find out about the replication, use the AG Dashboard in SSMS.https://cloud.google.com/sql/docs/sqlserver/replication/manage-replicas#promote-replica

NEW QUESTION # 37
You are configuring a brand new Cloud SQL for PostgreSQL database instance in Google Cloud.
Your application team wants you to deploy one primary instance, one standby instance, and one read replica instance. You need to ensure that you are following Google-recommended practices for high availability. What should you do?

A. Configure the primary instance in one region, the standby instance in a second region, and the read replica in a third region.
B. Configure the primary and standby instances in zone A and the read replica in zone B, all in the same region.
C. Configure the primary instance in zone A, the standby instance in zone C, and the read replica in zone B, all in the same region.
D. Configure the primary, standby, and read replica instances in zone A, all in the same region.

Answer: C

Explanation:
https://cloud.google.com/sql/docs/postgres/high-availability#failover-overview

NEW QUESTION # 38
You plan to use Database Migration Service to migrate data from a PostgreSQL on-premises instance to Cloud SQL. You need to identify the prerequisites for creating and automating the task. What should you do? (Choose two.)

A. Disable all foreign key constraints on the source PostgreSQL database.
B. Drop or disable all users except database administration users.
C. Shut down the database before the Data Migration Service task is started.
D. Ensure that pglogical is installed on the source PostgreSQL database.
E. Ensure that all PostgreSQL tables have a primary key.

Answer: D,E

Explanation:
https://cloud.google.com/database-migration/docs/postgres/faq

NEW QUESTION # 39
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