Practice Test 3 | Google Cloud Certified Professional Data Engineer | Dumps | Mock Test
A system is expected to receive over 15,000 content delivery logs every minute from different web & mobile apps. Logs are received in JSON format. Due to logs being generated by different apps, each developed by a different team, logs do not have a fixed structure and may hold different attributes. Which of the following is a recommended storage option?
A. Cloud SQL
B. Cloud Spanner
C. BigTable
D. Datastore
Correct Answer: C
Cloud BigTable is a petabyte-scale, fully managed NoSQL database service for large analytical and operational workloads. It provides flexible schema options.
Options A and B are incorrect: Cloud SQL & Spanner are relational database services. They are not recommended for JSON-format log data with a flexible schema.
Option D is incorrect: Datastore can be a potential choice since it’s a NoSQL database. However, Datastore is not built for storing huge data volumes as required in this scenario. Datastore is designed for web applications of small scale.
Source(s):
BigTable vs Datastore:
https://stackoverflow.com/questions/30085326/google-cloud-bigtable-vs- google-cloud-datastore
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