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 28, 2026

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Question 1

You are designing a Dataflow pipeline for a batch processing job. You want to mitigate multiple zonal failures

at job submission time. What should you do?

A : Specify a worker region by using the —region flag.

B : Set the pipeline staging location as a regional Cloud Storage bucket.

C : Submit duplicate pipelines in two different zones by using the —zone flag.

D : Create an Eventarc trigger to resubmit the job in case of zonal failure when submitting the job.

Answer: A

Question 2

You have Cloud Functions written in Node.js that pull messages from Cloud Pub/Sub and send the data to BigQuery. You observe that the message processing rate on the Pub/Sub topic is orders of magnitude higher than anticipated, but there is no error logged in Stackdriver Log Viewer. What are the two most likely causes of this problem? Choose 2 answers.

A : blisher throughput quota is too small.

B : tal outstanding messages exceed the 10-MB maximum.

C : ror handling in the subscriber code is not handling run-time errors properly.

D : subscriber code cannot keep up with the messages.

E : subscriber code does not acknowledge the messages that it pulls.

Answer: C,D

Question 3

Which of these statements about exporting data from BigQuery is false?

A : export more than 1 GB of data, you need to put a wildcard in the destination filename.

B : only supported export destination is Google Cloud Storage.

C : ta can only be exported in JSON or Avro format.

D : only compression option available is GZIP.

Answer: C

Question 4

You have a data pipeline that writes data to Cloud Bigtable using well-designed row keys. You want to monitor your pipeline to determine when to increase the size of you Cloud Bigtable cluster. Which two actions can you take to accomplish this? Choose 2 answers.

A : view Key Visualizer metrics. Increase the size of the Cloud Bigtable cluster when the Read pressure index is above 100

B : view Key Visualizer metrics. Increase the size of the Cloud Bigtable cluster when the Write pressure index is above 100.

C : nitor the latency of write operations. Increase the size of the Cloud Bigtable cluster when there is a sustained increase in write latency.

D : nitor storage utilization. Increase the size of the Cloud Bigtable cluster when utilization increases above 70% of max capacity

E : nitor latency of read operations. Increase the size of the Cloud Bigtable cluster of read operations take longer than 100 ms

Answer: A,C

Question 5

You have some data, which is shown in the graphic below. The two dimensions are X and Y, and the shade of each dot represents what class it is. You want to classify this data accurately using a linear algorithm

To do this you need to add a synthetic feature. What should the value of that feature be?

A : 2+Y^2

B : 2

C : (X)

Answer: C

Page: 1 / 95

Total 472 Questions | Updated On: Jan 28, 2026

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