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Google Professional Cloud Database Engineer Exam - Topic 10 Question 9 Discussion

You are designing a physician portal app in Node.js. This application will be used in hospitals and clinics that might have intermittent internet connectivity. If a connectivity failure occurs, the app should be able to query the cached data. You need to ensure that the application has scalability, strong consistency, and multi-region replication. What should you do?
C) Use Pub/Sub to synchronize the changes from the application to Cloud Spanner.
A) Use Firestore and ensure that the PersistenceEnabled option is set to true.
B) Use Memorystore for Memcached.
D) Use Table.read with the exactStaleness option to perform a read of rows in Cloud Spanner.

Google Professional Cloud Database Engineer Exam - Topic 10 Question 9 Discussion

Actual exam question for Google's Professional Cloud Database Engineer exam
Question #: 9
Topic #: 10
[All Professional Cloud Database Engineer Questions]

You are designing a physician portal app in Node.js. This application will be used in hospitals and clinics that might have intermittent internet connectivity. If a connectivity failure occurs, the app should be able to query the cached dat

a. You need to ensure that the application has scalability, strong consistency, and multi-region replication. What should you do?

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Suggested Answer: C

by Lettie at Oct 23, 2022, 12:17 AM

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Barbra
10 months ago
D sounds interesting, but I’d stick with A for simplicity.
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Lashawna
10 months ago
Wait, can Firestore really handle strong consistency like that?
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Von
10 months ago
I agree, A seems like the best choice for caching.
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Glory
11 months ago
Not sure about A, I think C might be better for syncing.
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Jade
11 months ago
A is solid for offline support with Firestore!
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Sabra
11 months ago
I vaguely recall something about using exactStaleness with Cloud Spanner, but I’m not confident if that’s the best option for scalability.
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Aja
11 months ago
I think using Pub/Sub for syncing changes sounds familiar, but I’m not clear on how it relates to multi-region replication.
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Dawne
11 months ago
I'm not entirely sure, but I feel like Memorystore might not provide the strong consistency we need for this app.
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Ling
11 months ago
I remember we discussed Firestore in class, and I think enabling persistence is crucial for offline access.
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Wilda
11 months ago
Hmm, the passage covers a lot of steps in the raisin-making process. I'll need to synthesize the information to determine the overall main idea.
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Goldie
11 months ago
I've got a good feeling about Solaris auditing for this question. It's designed specifically for monitoring and logging user actions, which is exactly what we need here. I'm going to go with that as my answer.
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Artie
11 months ago
I'm a bit confused by the wording of the question. Can someone clarify what exactly we're being asked to do here?
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