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Question 35 of 51
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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.
A: Use Firestore.
A is a correct answer , Cloud Firestone https://firebase.google.com/docs/firestore