Become Google Certified with updated Professional-Data-Engineer exam questions and correct answers
You are running a Dataflow streaming pipeline, with Streaming Engine and Horizontal Autoscaling enabled.
You have set the maximum number of workers to 1000. The input of your pipeline is Pub/Sub messages with
notifications from Cloud Storage One of the pipeline transforms reads CSV files and emits an element for
every CSV line. The Job performance is low. the pipeline is using only 10 workers, and you notice that the
autoscaler is not spinning up additional workers. What should you do to improve performance?
You have some data, which is shown in the graphic below. The two dimensions are X and Y, and the shade of each dot represents what class it is. You want to classify this data accurately using a linear algorithm

Your weather app queries a database every 15 minutes to get the current temperature. The frontend is powered by Google App Engine and server millions of users. How should you design the frontend to respond to a database failure?
When you store data in Cloud Bigtable, what is the recommended minimum amount of stored data?
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