Free Google Professional-Data-Engineer Exam Actual Questions

The questions for Professional-Data-Engineer were last updated On Jun 13, 2025

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Question No. 1

You are developing a software application using Google's Dataflow SDK, and want to use conditional, for loops and other complex programming structures to create a branching pipeline. Which component will be used for the data processing operation?

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Correct Answer: B

In Google Cloud, the Dataflow SDK provides a transform component. It is responsible for the data processing operation. You can use conditional, for loops, and other complex programming structure to create a branching pipeline.


Question No. 2

What are the minimum permissions needed for a service account used with Google Dataproc?

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Correct Answer: D

Service accounts authenticate applications running on your virtual machine instances to other Google Cloud Platform services. For example, if you write an application that reads and writes files on Google Cloud Storage, it must first authenticate to the Google Cloud Storage API. At a minimum, service accounts used with Cloud Dataproc need permissions to read and write to Google Cloud Storage, and to write to Google Cloud Logging.


Question No. 3

You use a dataset in BigQuery for analysis. You want to provide third-party companies with access to the same dataset. You need to keep the costs of data sharing low and ensure that the data is current. Which solution should you choose?

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Correct Answer: B

Question No. 4

You need (o give new website users a globally unique identifier (GUID) using a service that takes in data points and returns a GUID This data is sourced from both internal and external systems via HTTP calls that you will make via microservices within your pipeline There will be tens of thousands of messages per second and that can be multithreaded, and you worry about the backpressure on the system How should you design your pipeline to minimize that backpressure?

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Correct Answer: A

Question No. 5

Does Dataflow process batch data pipelines or streaming data pipelines?

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Correct Answer: B

Dataflow is a unified processing model, and can execute both streaming and batch data pipelines