Question 30

Question

Your organization is developing an application that will manage payments and online bank accounts
located around the world. The most critical requirement for your database is that each transaction is
handled consistently. Your organization anticipates almost unlimited growth in the amount of data
stored.
Which Google Cloud product should your organization choose?

Accepted Answer

Cloud Spanner

RileyK · Answer

Option D, I think. Spanner is built for strong consistency and can scale globally, which matches the requirements. Not 100 percent sure, though. Someone double-check me?

Sean P. · Answer

A Cloud SQL

Ryan · Answer

I don’t think it’s D. A. Saw similar logic in a few practice tests and the official guide has Cloud SQL as a main transactional DB, so I’d go with that.

Luna S. · Answer

I think A (Cloud SQL) could work here, since it handles transactions and is built on traditional relational DB concepts. For consistency in payments apps, you’d usually want a SQL solution and Cloud SQL does offer strong ACID guarantees. Not totally sure if it’ll scale as much as Spanner, but I don’t see why it wouldn’t for most growth cases. Agree?

Emma · Answer

Had something like this in a mock, it's D. Cloud Spanner is the only one designed for global scale with strong consistency across transactions. Others can't do both at once.

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