Google Associate Cloud Engineer

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Explanation:

Cloud Datastore is the correct choice because it is a highly-scalable NoSQL database that automatically scales with your data, maintaining high performance as traffic increases and scaling back when traffic decreases. This makes it ideal for applications with variable traffic and storage needs up to 10 GB.

Cloud SQL is not suitable as it is designed for relational databases, not non-relational data.
Cloud Dataproc is incorrect because it is a managed service for running Apache Spark and Apache Hadoop clusters, not a database service.
Cloud Bigtable is overkill for a 10 GB database and cannot scale down to zero, as it incurs costs for nodes and storage regardless of usage.

References:

Explanation:

Cloud SQL is not suitable as it is designed for relational databases, not non-relational data.
Cloud Dataproc is incorrect because it is a managed service for running Apache Spark and Apache Hadoop clusters, not a database service.
Cloud Bigtable is overkill for a 10 GB database and cannot scale down to zero, as it incurs costs for nodes and storage regardless of usage.

References:

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Your company is developing an App Engine application that requires storing stateful data in a suitable storage service. The data is non-relational, and the database size is not expected to exceed 10 GB. Additionally, the service must allow scaling down to zero to minimize costs. Which storage service would you choose?

Real Exam

Cloud Datastore

62.5%

Cloud SQL

18.8%

Cloud Bigtable

12.5%

Cloud Dataproc

6.3%