Question 81 of 139
Single answerYou 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?
✓AUse Firestore and ensure that the PersistenceEnabled option is set to true.
BUse Memorystore for Memcached.
CUse Pub/Sub to synchronize the changes from the application to Cloud Spanner.
DUse Table.read with the exactStaleness option to perform a read of rows in Cloud Spanner.
✓
Correct Answer: A
Use Firestore and ensure that the PersistenceEnabled option is set to true.
▥
Explanation
The correct answer is highlighted above. Review the wording carefully, then use the next question to continue building your understanding of Google certification topics.