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PDEProfessional Data Engineer

Practice Exam 2

5 of this form’s 40 questions, drawn from across its domains, free. The explanation on every one of them is free too, at every tier, and always will be.

  1. Question 1 of 5

    1-2Designing data processing systems

    A transform in a Dataflow streaming job calls an external payment API for each record, and the job uses exactly-once processing. What should the team expect from that call?

  2. Question 2 of 5

    2-3Ingesting and processing the data

    An engineer runs a template whose pipeline reads a Cloud Storage bucket and writes to BigQuery. Which identity has to be able to reach both of those?

  3. Question 3 of 5

    3-3Storing the data

    A team creates an object table over a bucket of scanned PDF files and runs a select against it. What does each row represent?

  4. Question 4 of 5

    4-3Preparing and using data for analysis

    A company publishes a dataset and turns on data egress restriction for the listing. Which operation can a subscriber no longer perform?

  5. Question 5 of 5

    5-1Maintaining and automating data workloads

    An engineer scripts a dry run through the Python client and wonders whether the code must poll for completion. What happens with a dry run configuration?

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The other 35 questions are the rest of this form: same 120 minute clock, same 750 cut score, and the same explanation on every question, which is never behind the wall. Practice Exam 2 of 2 on Data Engineer.

What this exam covers

  • Designing data processing systems9 questions / 22% of the exam
  • Ingesting and processing the data10 questions / 25% of the exam
  • Storing the data8 questions / 20% of the exam
  • Preparing and using data for analysis6 questions / 15% of the exam
  • Maintaining and automating data workloads7 questions / 18% of the exam

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