Practice Test 3 | Google Cloud Certified Professional Cloud Architect | Dumps | Mock Test
You are designing a relational data repository on Google Cloud to grow as needed. The data will be transactional consistent and added from any location in the world. You want to monitor and adjust node count for input traffic, which can spike unpredictably. What should you do?
A. Use Cloud Spanner for storage. Monitor storage usage and increase node count if more than 70% utilized.
B. Use Cloud Spanner for storage. Monitor CPU utilization and increase node count if more than 70% utilized for your time span.
C. Use Cloud Bigtable for storage. Monitor data stored and increase node count if more than 70% utilized.
D. Use Cloud Bigtable for storage. Monitor CPU utilization and increase node count if more than 70% utilized for your time span.
Correct Answer – B
Option B is correct because of the requirement to globally scalable transactions—use Cloud Spanner. CPU utilization is the recommended metric for scaling, per Google best practices, see linked below.
A is incorrect because you should not use storage utilization as a scaling metric.
C, D are incorrect because you should not use Cloud Bigtable for this scenario: The data will be transactional consistent and added from any location in the world.
References:
Cloud Spanner Monitoring Using Operations Suite (formerly Stackdriver) https://cloud.google.com/spanner/docs/monitoring
Best Practices:
https://cloud.google.com/spanner/docs/best-practice-list
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