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: May 24, 2026

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Question 1

You work for a manufacturing plant that batches application log files together into a single log file once a day at 2:00 AM. You have written a Google Cloud Dataflow job to process that log file. You need to make sure the log file in processed once per day as inexpensively as possible. What should you do?

A : ange the processing job to use Google Cloud Dataproc instead

B : nually start the Cloud Dataflow job each morning when you get into the office.

C : eate a cron job with Google App Engine Cron Service to run the Cloud Dataflow job.

D : nfigure the Cloud Dataflow job as a streaming job so that it processes the log data immediately.

Answer: C

Question 2

An aerospace company uses a proprietary data format to store its night dat

a. You need to connect this new data source to BigQuery and stream the data into BigQuery. You want to efficiency import the data into BigQuery where consuming as few resources as possible. What should you do?

A : a standard Dataflow pipeline to store the raw data in BigQuery and then transform the format later when the data is used.

B : ite a shell script that triggers a Cloud Function that performs periodic ETL batch jobs on the new data source

C : Apache Hive to write a Dataproc job that streams the data into BigQuery in CSV format

D : an Apache Beam custom connector to write a Dataflow pipeline that streams the data into BigQuery in Avro format

Answer: D

Question 3

MJTelco’s Google Cloud Dataflow pipeline is now ready to start receiving data from the 50,000 installations. You want to allow Cloud Dataflow to scale its compute power up as required. Which Cloud Dataflow pipeline configuration setting should you update?

A : zone

B : number of workers

C : disk size per worker

D : maximum number of workers

Answer: A

Question 4

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?

A : Create a new topic, and publish the last 30 days of data each time a new subscriber connects to an existing topic.

B : Set the topic retention policy to 30 days.

C : Set the subscriber retention policy to 30 days.

D : Ask the source system to re-push the data to Pub/Sub, and subscribe to it.

Answer: B

Question 5

You need to migrate a 2TB relational database to Google Cloud Platform. You do not have the resources to

significantly refactor the application that uses this database and cost to operate is of primary concern.

Which service do you select for storing and serving your data?

A : oud Spanner

B : oud Bigtable

C : oud Firestore

D : oud SQL

Answer: D

Page: 1 / 95

Total 472 Questions | Updated On: May 24, 2026

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