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Exam Code: Certified Data Engineer Professional

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Databricks Certified Data Engineer Professional Practice Test 2

Question 10

A data platform team manages reusable Databricks production jobs and pipelines in Git. An auditor must prove the outcome of Use a target-specific override for the job resources in the bundle for this requirement: An environment needs a controlled version of the same notebook job with separate resource names. Which test result is best?

  1. Bundle deployment reports the intended workspace host for that target
  2. The deployed target has its expected resource names without editing shared production defaults
  3. The task reports the chosen serverless environment and completes without OOM
  4. The same import succeeds in a fresh scheduled job run

Explanation

Correct Answer

B:

The deployed target has its expected resource names without editing shared production defaults directly measures whether Use a target-specific override for the job resources in the bundle achieved the requirement “An environment needs a controlled version of the same notebook job with separate resource names.” It checks the operating result rather than just a configured resource name.

Incorrect Answers

A:

This signal belongs to the adjacent case “The bundle deploys to the wrong workspace despite using the correct source branch,” whose remedy is Set the selected target's workspace host and authentication settings. The observed result for the present requirement is The deployed target has its expected resource names without editing shared production defaults.

C:

That observation is a valid indicator for “A compute-intensive notebook needs additional supported memory while retaining serverless workflow execution” when using Select an appropriate high-memory serverless task environment if supported. The scenario instead tests “An environment needs a controlled version of the same notebook job with separate resource names”; the relevant result is The deployed target has its expected resource names without editing shared production defaults.

D:

This signal belongs to the adjacent case “A package import works in an interactive notebook but not in the production job,” whose remedy is Install the dependency for the actual job task environment rather than relying on the notebook session. The observed result for the present requirement is The deployed target has its expected resource names without editing shared production defaults.

Question 11

A warehouse engineering team is turning fragile notebooks into tested shared Python packages. The engineering team must satisfy this constraint: Shared transformations are duplicated across five notebooks and need one maintained implementation. Select the best technical action.

  1. Read validated parameters from job parameters or environment configuration
  2. Package the module and install or declare the dependency in the job environment
  3. Move transformation functions into an importable Python package in the repository
  4. Pin an appropriate tested dependency version in the project or environment manifest

Explanation

Correct Answer

C:

Move transformation functions into an importable Python package in the repository addresses the requested condition (“Shared transformations are duplicated across five notebooks and need one maintained implementation”) rather than an adjacent platform task. The independent success check is: Unit tests and two separate notebooks import the same function successfully.

Incorrect Answers

A:

This action solves a different issue: “An application team needs different configuration values without rewriting Python source code.” Its normal signal is The same packaged code runs with two allowed configuration sets. Here the requested behavior is “Shared transformations are duplicated across five notebooks and need one maintained implementation,” so that signal is not sufficient.

B:

This action solves a different issue: “A Python module import fails only when running a deployed Databricks job.” Its normal signal is A scheduled job run imports the module without path hacks. Here the requested behavior is “Shared transformations are duplicated across five notebooks and need one maintained implementation,” so that signal is not sufficient.

D:

The alternative Pin an appropriate tested dependency version in the project or environment manifest has a distinct purpose—A library release must be reproducible rather than resolving an arbitrary latest release. It would not establish the required outcome (Shared transformations are duplicated across five notebooks and need one maintained implementation); the necessary verification concerns Unit tests and two separate notebooks import the same function successfully.

Question 12

A warehouse engineering team is turning fragile notebooks into tested shared Python packages. Engineers have applied Move transformation functions into an importable Python package in the repository. Which result establishes the required behavior: Shared transformations are duplicated across five notebooks and need one maintained implementation?

  1. The same packaged code runs with two allowed configuration sets
  2. A scheduled job run imports the module without path hacks
  3. Unit tests and two separate notebooks import the same function successfully
  4. Environment resolution installs the intended tested dependency version

Explanation

Correct Answer

C:

Unit tests and two separate notebooks import the same function successfully directly measures whether Move transformation functions into an importable Python package in the repository achieved the requirement “Shared transformations are duplicated across five notebooks and need one maintained implementation.” It checks the operating result rather than just a configured resource name.

Incorrect Answers

A:

This signal belongs to the adjacent case “An application team needs different configuration values without rewriting Python source code,” whose remedy is Read validated parameters from job parameters or environment configuration. The observed result for the present requirement is Unit tests and two separate notebooks import the same function successfully.

B:

That observation is a valid indicator for “A Python module import fails only when running a deployed Databricks job” when using Package the module and install or declare the dependency in the job environment. The scenario instead tests “Shared transformations are duplicated across five notebooks and need one maintained implementation”; the relevant result is Unit tests and two separate notebooks import the same function successfully.

D:

Environment resolution installs the intended tested dependency version pertains to a different control (Pin an appropriate tested dependency version in the project or environment manifest) and a different need (A library release must be reproducible rather than resolving an arbitrary latest release). It cannot establish that Move transformation functions into an importable Python package in the repository met the stated goal.

Question 13

A warehouse engineering team is turning fragile notebooks into tested shared Python packages. Production acceptance depends on this condition: A Python module import fails only when running a deployed Databricks job. What should the engineer configure?

  1. Move transformation functions into an importable Python package in the repository
  2. Put executable entry-point behavior under an explicit `__main__` guard
  3. Package the module and install or declare the dependency in the job environment
  4. Read validated parameters from job parameters or environment configuration

Explanation

Correct Answer

C:

Package the module and install or declare the dependency in the job environment addresses the requested condition (“A Python module import fails only when running a deployed Databricks job”) rather than an adjacent platform task. The independent success check is: A scheduled job run imports the module without path hacks.

Incorrect Answers

A:

This action solves a different issue: “Shared transformations are duplicated across five notebooks and need one maintained implementation.” Its normal signal is Unit tests and two separate notebooks import the same function successfully. Here the requested behavior is “A Python module import fails only when running a deployed Databricks job,” so that signal is not sufficient.

B:

This action solves a different issue: “An engineering package should isolate code execution from import-time side effects.” Its normal signal is Importing the module exposes functions without starting the pipeline. Here the requested behavior is “A Python module import fails only when running a deployed Databricks job,” so that signal is not sufficient.

D:

This action solves a different issue: “An application team needs different configuration values without rewriting Python source code.” Its normal signal is The same packaged code runs with two allowed configuration sets. Here the requested behavior is “A Python module import fails only when running a deployed Databricks job,” so that signal is not sufficient.

Question 14

A warehouse engineering team is turning fragile notebooks into tested shared Python packages. A production deployment uses Package the module and install or declare the dependency in the job environment to address: A Python module import fails only when running a deployed Databricks job. Which signal should QA check?

  1. A scheduled job run imports the module without path hacks
  2. Unit tests and two separate notebooks import the same function successfully
  3. The same packaged code runs with two allowed configuration sets
  4. Environment resolution installs the intended tested dependency version

Explanation

Correct Answer

A:

A scheduled job run imports the module without path hacks is the matching outcome for the implemented control (Package the module and install or declare the dependency in the job environment) and the stated requirement “A Python module import fails only when running a deployed Databricks job.”

Incorrect Answers

B:

Unit tests and two separate notebooks import the same function successfully pertains to a different control (Move transformation functions into an importable Python package in the repository) and a different need (Shared transformations are duplicated across five notebooks and need one maintained implementation). It cannot establish that Package the module and install or declare the dependency in the job environment met the stated goal.

C:

The same packaged code runs with two allowed configuration sets would demonstrate the separate action Read validated parameters from job parameters or environment configuration, which addresses “An application team needs different configuration values without rewriting Python source code.” It does not verify the requirement “A Python module import fails only when running a deployed Databricks job” following Package the module and install or declare the dependency in the job environment.

D:

Environment resolution installs the intended tested dependency version pertains to a different control (Pin an appropriate tested dependency version in the project or environment manifest) and a different need (A library release must be reproducible rather than resolving an arbitrary latest release). It cannot establish that Package the module and install or declare the dependency in the job environment met the stated goal.

Question 15

A warehouse engineering team is turning fragile notebooks into tested shared Python packages. An incident review prioritizes one requirement: A library release must be reproducible rather than resolving an arbitrary latest release. What is the most defensible remedy?

  1. Pin an appropriate tested dependency version in the project or environment manifest
  2. Move transformation functions into an importable Python package in the repository
  3. Read validated parameters from job parameters or environment configuration
  4. Put executable entry-point behavior under an explicit `__main__` guard

Explanation

Correct Answer

A:

For this scenario, Pin an appropriate tested dependency version in the project or environment manifest implements the behavior required by “A library release must be reproducible rather than resolving an arbitrary latest release.” Check the resulting state against: Environment resolution installs the intended tested dependency version.

Incorrect Answers

B:

Move transformation functions into an importable Python package in the repository is appropriate when “Shared transformations are duplicated across five notebooks and need one maintained implementation”; it would be verified by Unit tests and two separate notebooks import the same function successfully. It does not directly satisfy “A library release must be reproducible rather than resolving an arbitrary latest release,” whose relevant acceptance evidence is Environment resolution installs the intended tested dependency version.

C:

Read validated parameters from job parameters or environment configuration belongs to the separate case “An application team needs different configuration values without rewriting Python source code,” where The same packaged code runs with two allowed configuration sets would be expected. That differs from the condition in this stem: “A library release must be reproducible rather than resolving an arbitrary latest release.”

D:

The alternative Put executable entry-point behavior under an explicit `__main__` guard has a distinct purpose—An engineering package should isolate code execution from import-time side effects. It would not establish the required outcome (A library release must be reproducible rather than resolving an arbitrary latest release); the necessary verification concerns Environment resolution installs the intended tested dependency version.

Question 16

A warehouse engineering team is turning fragile notebooks into tested shared Python packages. A production deployment uses Pin an appropriate tested dependency version in the project or environment manifest to address: A library release must be reproducible rather than resolving an arbitrary latest release. Which signal should QA check?

  1. Unit tests and two separate notebooks import the same function successfully
  2. The same packaged code runs with two allowed configuration sets
  3. Environment resolution installs the intended tested dependency version
  4. Importing the module exposes functions without starting the pipeline

Explanation

Correct Answer

C:

The acceptance criterion for “A library release must be reproducible rather than resolving an arbitrary latest release” is Environment resolution installs the intended tested dependency version; this is the expected evidence after Pin an appropriate tested dependency version in the project or environment manifest.

Incorrect Answers

A:

That observation is a valid indicator for “Shared transformations are duplicated across five notebooks and need one maintained implementation” when using Move transformation functions into an importable Python package in the repository. The scenario instead tests “A library release must be reproducible rather than resolving an arbitrary latest release”; the relevant result is Environment resolution installs the intended tested dependency version.

B:

That observation is a valid indicator for “An application team needs different configuration values without rewriting Python source code” when using Read validated parameters from job parameters or environment configuration. The scenario instead tests “A library release must be reproducible rather than resolving an arbitrary latest release”; the relevant result is Environment resolution installs the intended tested dependency version.

D:

Importing the module exposes functions without starting the pipeline would demonstrate the separate action Put executable entry-point behavior under an explicit `__main__` guard, which addresses “An engineering package should isolate code execution from import-time side effects.” It does not verify the requirement “A library release must be reproducible rather than resolving an arbitrary latest release” following Pin an appropriate tested dependency version in the project or environment manifest.

Question 17

A warehouse engineering team is turning fragile notebooks into tested shared Python packages. During rollout, stakeholders require: An engineering package should isolate code execution from import-time side effects. Which approach is the strongest fit?

  1. Package the module and install or declare the dependency in the job environment
  2. Pin an appropriate tested dependency version in the project or environment manifest
  3. Put executable entry-point behavior under an explicit `__main__` guard
  4. Move transformation functions into an importable Python package in the repository

Explanation

Correct Answer

C:

The requested outcome is “An engineering package should isolate code execution from import-time side effects.” Put executable entry-point behavior under an explicit `__main__` guard is the matching action; Importing the module exposes functions without starting the pipeline gives observable acceptance evidence.

Incorrect Answers

A:

The alternative Package the module and install or declare the dependency in the job environment has a distinct purpose—A Python module import fails only when running a deployed Databricks job. It would not establish the required outcome (An engineering package should isolate code execution from import-time side effects); the necessary verification concerns Importing the module exposes functions without starting the pipeline.

B:

This action solves a different issue: “A library release must be reproducible rather than resolving an arbitrary latest release.” Its normal signal is Environment resolution installs the intended tested dependency version. Here the requested behavior is “An engineering package should isolate code execution from import-time side effects,” so that signal is not sufficient.

D:

The alternative Move transformation functions into an importable Python package in the repository has a distinct purpose—Shared transformations are duplicated across five notebooks and need one maintained implementation. It would not establish the required outcome (An engineering package should isolate code execution from import-time side effects); the necessary verification concerns Importing the module exposes functions without starting the pipeline.

Question 18

A warehouse engineering team is turning fragile notebooks into tested shared Python packages. After configuring Put executable entry-point behavior under an explicit `__main__` guard, the engineer must validate: An engineering package should isolate code execution from import-time side effects. What evidence is decisive?

  1. The same packaged code runs with two allowed configuration sets
  2. Unit tests and two separate notebooks import the same function successfully
  3. Environment resolution installs the intended tested dependency version
  4. Importing the module exposes functions without starting the pipeline

Explanation

Correct Answer

D:

The acceptance criterion for “An engineering package should isolate code execution from import-time side effects” is Importing the module exposes functions without starting the pipeline; this is the expected evidence after Put executable entry-point behavior under an explicit `__main__` guard.

Incorrect Answers

A:

The same packaged code runs with two allowed configuration sets would demonstrate the separate action Read validated parameters from job parameters or environment configuration, which addresses “An application team needs different configuration values without rewriting Python source code.” It does not verify the requirement “An engineering package should isolate code execution from import-time side effects” following Put executable entry-point behavior under an explicit `__main__` guard.

B:

Unit tests and two separate notebooks import the same function successfully pertains to a different control (Move transformation functions into an importable Python package in the repository) and a different need (Shared transformations are duplicated across five notebooks and need one maintained implementation). It cannot establish that Put executable entry-point behavior under an explicit `__main__` guard met the stated goal.

C:

Environment resolution installs the intended tested dependency version would demonstrate the separate action Pin an appropriate tested dependency version in the project or environment manifest, which addresses “A library release must be reproducible rather than resolving an arbitrary latest release.” It does not verify the requirement “An engineering package should isolate code execution from import-time side effects” following Put executable entry-point behavior under an explicit `__main__` guard.

Question 19

A warehouse engineering team is turning fragile notebooks into tested shared Python packages. An incident review prioritizes one requirement: An application team needs different configuration values without rewriting Python source code. What is the most defensible remedy?

  1. Move transformation functions into an importable Python package in the repository
  2. Package the module and install or declare the dependency in the job environment
  3. Read validated parameters from job parameters or environment configuration
  4. Put executable entry-point behavior under an explicit `__main__` guard

Explanation

Correct Answer

C:

The requirement concerns “An application team needs different configuration values without rewriting Python source code.” The selected operation, Read validated parameters from job parameters or environment configuration, is the direct engineering control. Its effect can be checked by confirming: The same packaged code runs with two allowed configuration sets.

Incorrect Answers

A:

Move transformation functions into an importable Python package in the repository belongs to the separate case “Shared transformations are duplicated across five notebooks and need one maintained implementation,” where Unit tests and two separate notebooks import the same function successfully would be expected. That differs from the condition in this stem: “An application team needs different configuration values without rewriting Python source code.”

B:

The alternative Package the module and install or declare the dependency in the job environment has a distinct purpose—A Python module import fails only when running a deployed Databricks job. It would not establish the required outcome (An application team needs different configuration values without rewriting Python source code); the necessary verification concerns The same packaged code runs with two allowed configuration sets.

D:

Put executable entry-point behavior under an explicit `__main__` guard is appropriate when “An engineering package should isolate code execution from import-time side effects”; it would be verified by Importing the module exposes functions without starting the pipeline. It does not directly satisfy “An application team needs different configuration values without rewriting Python source code,” whose relevant acceptance evidence is The same packaged code runs with two allowed configuration sets.

Question 20

A warehouse engineering team is turning fragile notebooks into tested shared Python packages. An auditor must prove the outcome of Read validated parameters from job parameters or environment configuration for this requirement: An application team needs different configuration values without rewriting Python source code. Which test result is best?

  1. Unit tests and two separate notebooks import the same function successfully
  2. The same packaged code runs with two allowed configuration sets
  3. Environment resolution installs the intended tested dependency version
  4. A scheduled job run imports the module without path hacks

Explanation

Correct Answer

B:

The acceptance criterion for “An application team needs different configuration values without rewriting Python source code” is The same packaged code runs with two allowed configuration sets; this is the expected evidence after Read validated parameters from job parameters or environment configuration.

Incorrect Answers

A:

Unit tests and two separate notebooks import the same function successfully pertains to a different control (Move transformation functions into an importable Python package in the repository) and a different need (Shared transformations are duplicated across five notebooks and need one maintained implementation). It cannot establish that Read validated parameters from job parameters or environment configuration met the stated goal.

C:

This signal belongs to the adjacent case “A library release must be reproducible rather than resolving an arbitrary latest release,” whose remedy is Pin an appropriate tested dependency version in the project or environment manifest. The observed result for the present requirement is The same packaged code runs with two allowed configuration sets.

D:

This signal belongs to the adjacent case “A Python module import fails only when running a deployed Databricks job,” whose remedy is Package the module and install or declare the dependency in the job environment. The observed result for the present requirement is The same packaged code runs with two allowed configuration sets.