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Google Professional-Cloud-Database-Engineer Exam Overview:

Certification Vendor:	Google Cloud
Exam Name:	Google Cloud Certified - Professional Cloud Database Engineer
Exam Number:	Professional-Cloud-Database-Engineer
Certificate Validity Period:	2 years
Exam Price:	$200 USD
Real Exam Qty:	50-60
Available Languages:	Japanese, English
Exam Duration:	120 minutes
Passing Score:	Not officially disclosed
Exam Format:	Multiple Choice, Multiple Select
Related Certifications:	Google Cloud Certified - Professional Data Engineer Google Cloud Certified - Associate Cloud Engineer Google Cloud Certified - Professional Cloud Architect
Sample Questions:	Google Professional-Cloud-Database-Engineer Sample Questions
Exam Way:	Online-proctored or onsite-proctored at a testing center
Pre Condition:	No formal prerequisites. Google recommends hands-on experience with Google Cloud database services and cloud architecture.
Official Syllabus URL:	https://cloud.google.com/learn/certification/cloud-database-engineer

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To pass the Professional-Cloud-Database-Engineer Exam, candidates must demonstrate a deep understanding of GCP's database services, such as Cloud SQL, Cloud Spanner, and Cloud Bigtable. They must also have experience working with SQL, NoSQL, and other database technologies.

Google Cloud Certified - Professional Cloud Database Engineer Sample Questions (Q79-Q84):

NEW QUESTION # 79
Your company uses Cloud Spanner for a mission-critical inventory management system that is globally available. You recently loaded stock keeping unit (SKU) and product catalog data from a company acquisition and observed hot-spots in the Cloud Spanner database. You want to follow Google-recommended schema design practices to avoid performance degradation. What should you do? (Choose two.)

A. Promote low-cardinality attributes in multi-attribute primary keys.
B. Use an auto-incrementing value as the primary key.
C. Use bit-reverse sequential value as the primary key.
D. Promote high-cardinality attributes in multi-attribute primary keys.
E. Normalize the data model.

Answer: B,D

NEW QUESTION # 80
Your company is developing a new global transactional application that must be ACID-compliant and have 99.999% availability. You are responsible for selecting the appropriate Google Cloud database to serve as a datastore for this new application. What should you do?

A. Use Bigtable.
B. Use Firestore.
C. Use Cloud SQL.
D. Use Cloud Spanner.

Answer: D

Explanation:
99,999% availability and global - it's either Spanner or Firestore, but 'transactional' eliminates Firestore

NEW QUESTION # 81
Your organization is running a critical production database on a virtual machine (VM) on Compute Engine.
The VM has an ext4-formatted persistent disk for data files. Thedatabase will soon run out of storage space.
You need to implement a solution that avoids downtime. What should you do?

A. In the Google Cloud Console, create a snapshot of the persistent disk, restore the snapshot to a new larger disk, unmount the old disk, mount the new disk, and restart the database service.
B. In the Google Cloud Console, increase the size of the persistent disk, and use the resize2fs command to extend the disk.
C. In the Google Cloud Console, increase the size of the persistent disk, and use the fdisk command to verify that the new space is ready to use
D. In the Google Cloud Console, create a new persistent disk attached to the VM, and configure the database service to move the files to the new disk.

Answer: B

Explanation:
https://cloud.google.com/compute/docs/disks/resize-persistent-disk#resize_partitions

NEW QUESTION # 82
You use Python scripts to generate weekly SQL reports to assess the state of your databases and determine whether you need to reorganize tables or run statistics. You want to automate this report but need to minimize operational costs and overhead. What should you do?

A. Create a Cloud Composer instance, and create a directed acyclic graph (DAG).
B. Create a VM in Compute Engine, and run a cron job.
C. Create a Cloud Function, and call the Cloud Function using Cloud Scheduler.
D. Create a Cloud Function, and call the Cloud Function from a Cloud Tasks queue.

Answer: C

NEW QUESTION # 83
Your company wants to move to Google Cloud. Your current data center is closing in six months. You are running a large, highly transactional Oracle application footprint on VMWare. You need to design a solution with minimal disruption to the current architecture and provide ease of migration to Google Cloud. What should you do?

A. Migrate applications to Cloud SQL.
B. Migrate applications and Oracle databases to Google Kubernetes Engine (GKE).
C. Migrate applications and Oracle databases to Compute Engine.
D. Migrate applications and Oracle databases to Google Cloud VMware Engine (VMware Engine).

Answer: D

Explanation:
https://cloud.google.com/blog/products/databases/migrate-databases-to-google-cloud-vmware-engine-gcve

NEW QUESTION # 84
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