Free Google Professional-Data-Engineer Exam Questions

A data pipeline uses Cloud Pub/Sub for ingesting data. The data is stored in topics and a Dataflow workflow reads from a subscription to that topic, processes the data, and writes output to BigQuery. What is the recommended way to authenticate when reading data from Cloud Pub/Sub?

Which methods can be used to reduce the number of rows processed by BigQuery?

In order to securely transfer web traffic data from your computer's web browser to the Cloud Dataproc cluster you should use a(n) _____.

You want to use a BigQuery table as a data sink. In which writing mode(s) can you use BigQuery as a sink? 

You are responsible for writing your company’s ETL pipelines to run on an Apache Hadoop cluster. The pipeline will require some checkpointing and splitting pipelines. Which method should you use to write the pipelines?