Professional Data Engineer · Free Practice Question Medium
Question 3
A manufacturer of delivery drones has equipped drones with multiple sensors that send performance and environment data to the analytics pipeline. Temperature received over the past hour is analyzed and if any temperature reading is more than 2 standard deviations away from the mean for the past hour, an alert is triggered. You would like to build the analysis pipeline using a managed service. What Google Cloud service would you recommend?
- A Cloud Dataflow
- B Cloud Dataproc
- C Cloud Data Fusion
- D Cloud Firestore
Reveal correct answer
Correct answer: A
Explanation
Cloud Dataflow is a managed Apache Beam runner used for stream and batch processing and is the best choice. Cloud Dataproc is a managed Hadoop/Spark cluster service. Cloud Data Fusion is an extraction, transformation, and load service typically used with data warehouses and related data analytic services. Cloud Firestore is a NoSQL document database service. See https://cloud.google.com/dataflow/docs/concepts
Discussion
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