Free Google Professional-Data-Engineer Exam Questions

Become Google Certified with updated Professional-Data-Engineer exam questions and correct answers

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Total 472 Questions | Updated On: Jan 15, 2026
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Question 1

You are using Google BigQuery as your data warehouse. Your users report that the following simple query is running very slowly, no matter when they run the query: SELECT country, state, city FROM [myproject:mydataset.mytable] GROUP BY country You check the query plan for the query and see the following output in the Read section of Stage:1:

What is the most likely cause of the delay for this query?


Answer: A
Question 2

You have a BigQuery dataset named "customers". All tables will be tagged by using a Data Catalog tag

template named "gdpr". The template contains one mandatory field, "has sensitive data~. with a boolean value.

All employees must be able to do a simple search and find tables in the dataset that have either true or false in

the "has sensitive data" field. However, only the Human Resources (HR) group should be able to see the data

inside the tables for which "hass-ensitive-data" is true. You give the all employees group the

bigquery.metadataViewer and bigquery.connectionUser roles on the dataset. You want to minimize

configuration overhead. What should you do next?


Answer: D
Question 3

You are building a model to make clothing recommendations. You know a user’s fashion preference is likely to change over time, so you build a data pipeline to stream new data back to the model as it becomes available. How should you use this data to train the model?


Answer: C
Question 4

You are developing a data pipeline that will run several data transformation programs on Compute Engine virtual machines. You do not want to use your credentials for authenticating and authorizing these programs. You want to follow Google Cloud recommended practices, how would you authenticate and authorize the data transformation programs?


Answer: B
Question 5

You work for a large ecommerce company. You are using Pub/Sub to ingest the clickstream data to Google Cloud for analytics. You observe that when a new subscriber connects to an existing topic to analyze data, they are unable to subscribe to older data for an upcoming yearly sale event in two months, you need a solution that, once implemented, will enable any new subscriber to read the last 30 days of data. What should you do? 


Answer: B
Page:    1 / 95      
Total 472 Questions | Updated On: Jan 15, 2026
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