Exam Professional Cloud Database Engineer topic 1 question 35 discussion

Actual exam question from Google's Professional Cloud Database Engineer

Question #: 35
Topic #: 1

[All Professional Cloud Database Engineer Questions]

You are building an Android game that needs to store data on a Google Cloud serverless database. The database will log user activity, store user preferences, and receive in-game updates. The target audience resides in developing countries that have intermittent internet connectivity. You need to ensure that the game can synchronize game data to the backend database whenever an internet network is available. What should you do?

A. Use Firestore.
B. Use Cloud SQL with an external (public) IP address.
C. Use an in-app embedded database.
D. Use Cloud Spanner.

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Suggested Answer: A 🗳️

by fredcaram at Dec. 20, 2022, 10:53 p.m.

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dynamic_dba

Highly Voted 9 months, 1 week ago

A. B is wrong since that’s not secure and doesn’t make sense. C is bizarre and doesn’t leverage a GCP serverless database. The key is intermittent internet coverage, meaning real-time syncing is not needed and can be supported. That rules out Spanner, which leaves Firestore. Probably Datastore mode, not that the question mentions that. The link provided by GCP72 is spot on.

upvoted 8 times

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