PROFESSIONAL-CLOUD-DATABASE-ENGINEER · Question #57
PROFESSIONAL-CLOUD-DATABASE-ENGINEER Question #57: Real Exam Question with Answer & Explanation
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Question
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?
Options
- 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.
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