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 12, 2026

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Question 1

You are working on a sensitive project involving private user data. You have set up a project on Google Cloud Platform to house your work internally. An external consultant is going to assist with coding a complex transformation in a Google Cloud Dataflow pipeline for your project. How should you maintain users’ privacy?

A : ant the consultant the Viewer role on the project.

B : ant the consultant the Cloud Dataflow Developer role on the project.

C : eate a service account and allow the consultant to log on with it.

D : eate an anonymized sample of the data for the consultant to work with in a different project.

Answer: C

Question 2

You stream order data by using a Dataflow pipeline, and write the aggregated result to Memorystore. You

provisioned a Memorystore for Redis instance with Basic Tier. 4 GB capacity, which is used by 40 clients for

read-only access. You are expecting the number of read-only clients to increase significantly to a few hundred

and you need to be able to support the demand. You want to ensure that read and write access availability is

not impacted, and any changes you make can be deployed quickly. What should you do?

A : Create multiple new Memorystore for Redis instances with Basic Tier (4 GB capacity) Modify theDataflow pipeline and new clients to use all instances

B : Create a new Memorystore for Redis instance with Standard Tier Set capacity to 4 GB and read replicato No read replicas (high availability only). Delete the old instance.

C : Create a new Memorystore for Memcached instance Set a minimum of three nodes, and memory pernode to 4 GB. Modify the Dataflow pipeline and all clients to use the Memcached instance Delete theold instance.

D : Create a new Memorystore for Redis instance with Standard Tier Set capacity to 5 GB and createmultiple read replicas Delete the old instance.

Answer: D

Question 3

Which of these operations can you perform from the BigQuery Web UI?

A : load a file in SQL format.

B : ad data with nested and repeated fields.

C : load a 20 MB file.

D : load multiple files using a wildcard.

Answer: B

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

By default, which of the following windowing behavior does Dataflow apply to unbounded data sets?

A : ndows at every 100 MB of data

B : ngle, Global Window

C : ndows at every 1 minute

D : ndows at every 10 minutes

Answer: B

Page: 1 / 95

Total 472 Questions | Updated On: May 12, 2026

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