Free Professional-Data-Engineer – Professional Data Engineer on Google Cloud Platform Practice Test Question

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Question 1

You are choosing a NoSQL database to handle telemetry data submitted from millions of Internet-of-Things (IoT) devices. The volume of data is growing at 100 TB per year, and each data entry has about 100 attributes. The data processing pipeline does not require atomicity, consistency, isolation, and durability (ACID). However, high availability and low latency are required.

You need to analyze the data by querying against individual fields. Which three databases meet your requirements? (Choose three.)

Select all that apply, then click Submit answer.

  • ○

    Redis

  • ○

    HBase

  • ○

    MySQL

  • ○

    MongoDB

  • ○

    Cassandra

  • ○

    HDFS with Hive

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About the Professional-Data-Engineer Free Practice Test

This free practice test covers the Google Professional Data Engineer (Professional-Data-Engineer) exam from Google. You will find 10 free questions, drawn from the full Study4Pass practice set of 184 questions for this exam. The free sample includes 5 single-answer and 5 multiple-answer questions — the same mix of formats you will meet in the full set. The questions follow the same topic balance as the real exam: Data Modeling, Data Storage, Data Processing and Data Security. The Google Professional Data Engineer exam is a comprehensive and intensive certification exam that tests a candidate's ability to design, build, operationalize, secure, and monitor data processing systems.

The target audience for the Google Professional Data Engineer Exam is individuals who have a strong understanding of data engineering concepts and experience in designing, building, and managing data processing… The Prerequisite for Google Professional-Data-Engineer Exam is to have a working knowledge of Python and SQL, as well as experience with data analysis, data modeling, data warehousing, and machine learning.

  • Certification: Google Professional Data Engineer (Professional-Data-Engineer)
  • Vendor: Google
  • Free on this page: 10 practice questions with answers and explanations
  • Full practice set: 184 questions

Use the sample the way you would use the real thing: answer each question on your own first, then open the explanation and make sure you understand why the right answer is right. That habit — reasoning instead of memorizing — is what carries over to exam day. When a topic keeps tripping you up, that is your study plan telling you where to go next.

When you finish the sample, do not just count the score — read it. Every missed question names a topic, and the full set lets you train that topic on its own until it stops costing you marks. That loop of test, review and targeted practice is how this set is designed to be used, from the first free question to the last simulation.

Inside the full Professional-Data-Engineer practice set:

  • All 184 questions with answers and explanations
  • Timed Exam Simulation that mirrors the real exam pressure
  • Topic Training to drill one domain at a time
  • Ask AI for More Explanation on every question
  • Flag questions and review them before you finish

How to use this Professional-Data-Engineer free practice test

Pick an answer for each question and check it straight away — the correct answer and a full explanation appear under the question. There is no time limit and nothing to sign up for. When an explanation is not enough, use Ask AI: this is an AI-Enabled practice test, and Ask AI explains the concept behind the question in plain language. Ready for more? The full 184-question set adds a timed Exam Simulation mode, topic training for your weak areas, and a flagged-question review, so you can practise the way the real exam feels.

What to study for each Professional-Data-Engineer domain

  • Data Modeling — This covers the design of data models, including the selection of appropriate data structures, the implementation of data models, and the optimization of data models.
  • Data Storage — This covers the selection, implementation, and optimization of data storage solutions, such as databases, data warehouses, and other data stores.
  • Data Processing — This covers the design, implementation, and optimization of data processing pipelines, such as ETL processes, machine learning pipelines, and data streaming solutions.
  • Data Security — This covers the implementation of data security solutions, such as encryption, authentication, and authorization.
  • Data Visualization — This covers the design, implementation, and optimization of data visualization solutions, such as dashboards, charts, and reports.
  • Data Governance — This covers the implementation

Professional-Data-Engineer practice test — quick questions

Is this Professional-Data-Engineer practice test free?

Yes — the 10 questions on this page are completely free, with no signup and no payment details needed.

How many questions are in the full Professional-Data-Engineer set?

184 questions. The 10 free questions above are a sample of that full set, in the same style and topic balance.

Does the free test show the answers?

Yes — every question shows the correct answer with an explanation, and Ask AI can explain the concept behind a question in plain words if you want to go deeper.

Is this the real Professional-Data-Engineer exam?

No. This is a practice test: the questions are written to mirror the real Professional-Data-Engineer exam’s topics and difficulty, not copied from it.

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