Google Cloud Certified Storage and Database Solutions

Question 1

Which Google Cloud database service is best suited for a globally distributed, strongly consistent, relational workload?

Accepted Answer

Cloud Spanner

Answer

Cloud Spanner provides horizontal scaling with strong consistency and a relational data model, ideal for globally distributed OLTP workloads.

Question 2

A startup needs a fully managed, serverless NoSQL document database for a mobile app with real-time sync. Which service fits best?

Accepted Answer

Firestore

Answer

Firestore is a serverless, NoSQL document database with real-time synchronization, ideal for mobile and web applications.

Question 3

What Cloud Storage class is most cost-effective for data accessed less than once per year?

Accepted Answer

Archive

Answer

Archive storage has the lowest storage cost but highest retrieval cost, making it ideal for data accessed less than once a year.

Question 4

Which GCP service is optimized for petabyte-scale, low-latency reads/writes for time-series or wide-column workloads like IoT data?

Accepted Answer

Cloud Bigtable

Answer

Cloud Bigtable is a managed wide-column NoSQL database designed for petabyte-scale time-series and analytical workloads with low latency.

Question 5

A team needs to migrate an existing MySQL database to GCP with minimal changes. Which managed service should they use?

Accepted Answer

Cloud SQL for MySQL

Answer

Cloud SQL for MySQL is a fully managed relational database that supports MySQL, enabling lift-and-shift migrations with minimal modification.

Google Cloud Certified - Professional Cloud Architect Practice Test