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 04, 2026

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Question 1

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?

A : ntinuously retrain the model on just the new data.

B : ntinuously retrain the model on a combination of existing data and the new data.

C : ain on the existing data while using the new data as your test set.

D : ain on the new data while using the existing data as your test set.

Answer: C

Question 2

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?

A : Create a Gmail account and use that account to create an IAM group. Store the password for the group in Secret Manager.

B : Create a service account and assign roles to the service account that are needed to execute the data transformation programs. Use Google managed keys to store both public and private portion of the service account keys.

C : Create a Gmail account and use that account to create an IAM user. Store the password for the account in Secret Manager.

D : Create a service account and assign roles to the service account that are needed to execute the data transformation programs. Use Secret Manager to store service account keys.

Answer: B

Question 3

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

Question 4

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?

A : gLatin using Pig

B : veQL using Hive

C : va using MapReduce

D : thon using MapReduce

Answer: D

Question 5

Which of these are examples of a value in a sparse vector? (Select 2 answers.)

A : [0, 5, 0, 0, 0, 0]

B : [0, 0, 0, 1, 0, 0, 1]

C : [0, 1]

D : [1, 0, 0, 0, 0, 0, 0]

Answer: C,D

Page: 1 / 95

Total 472 Questions | Updated On: Jan 04, 2026

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