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Exam Code: Certified Data Engineer Professional

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Databricks Certified Data Engineer Professional Practice Test 86

Question 850

A reporting organization needs consistent metric definitions across multiple teams. A reviewer sees that engineers chose Record and enforce the approved retention and lifecycle metadata. To verify An audit requires a documented retention policy for a catalog table, what should the reviewer observe?

  1. Owners can verify both documented retention and actual cleanup jobs
  2. Discoverability surfaces show the asset's approved trusted status
  3. Catalog discovery indicates the table is retired
  4. Independent consumers return the same metric for equivalent filters

Explanation

Correct Answer

A:

The team used Record and enforce the approved retention and lifecycle metadata to fulfill “An audit requires a documented retention policy for a catalog table.” Observing Owners can verify both documented retention and actual cleanup jobs confirms the intended effect in the resulting workload.

Incorrect Answers

B:

Discoverability surfaces show the asset's approved trusted status would demonstrate the separate action Apply a supported certification/quality signal after governance review, which addresses “A dataset should be marked as validated for enterprise reuse.” It does not verify the requirement “An audit requires a documented retention policy for a catalog table” following Record and enforce the approved retention and lifecycle metadata.

C:

That observation is a valid indicator for “An outdated table should no longer be suggested for new reports” when using Mark the object as deprecated and point users to replacement data. The scenario instead tests “An audit requires a documented retention policy for a catalog table”; the relevant result is Owners can verify both documented retention and actual cleanup jobs.

D:

That observation is a valid indicator for “Different departments calculate net revenue using inconsistent formulas” when using Define an authoritative reusable metric view with the approved expression. The scenario instead tests “An audit requires a documented retention policy for a catalog table”; the relevant result is Owners can verify both documented retention and actual cleanup jobs.

Question 851

A deployment team promotes code and resources from version control to Databricks workspaces. The engineering team must satisfy this constraint: Developers need one reproducible definition for jobs and pipelines across environments. Select the best technical action.

  1. Use `databricks bundle deploy` with explicit target and credentials
  2. Define per-target variables in the bundle configuration
  3. Define resources and targets in a Declarative Automation Bundle
  4. Run `databricks bundle validate -t prod` under the deployment identity

Explanation

Correct Answer

C:

The requirement concerns “Developers need one reproducible definition for jobs and pipelines across environments.” The selected operation, Define resources and targets in a Declarative Automation Bundle, is the direct engineering control. Its effect can be checked by confirming: Bundle deployment resolves to consistent resources in each target workspace.

Incorrect Answers

A:

The alternative Use `databricks bundle deploy` with explicit target and credentials has a distinct purpose—A CI workflow must deploy resource definitions across an approved target workspace. It would not establish the required outcome (Developers need one reproducible definition for jobs and pipelines across environments); the necessary verification concerns Bundle deployment resolves to consistent resources in each target workspace.

B:

The alternative Define per-target variables in the bundle configuration has a distinct purpose—A release needs environment-specific source paths without editing source code. It would not establish the required outcome (Developers need one reproducible definition for jobs and pipelines across environments); the necessary verification concerns Bundle deployment resolves to consistent resources in each target workspace.

D:

This action solves a different issue: “A production change must be validated before resources are created or updated.” Its normal signal is The validation detects missing or malformed bundle configuration before deployment. Here the requested behavior is “Developers need one reproducible definition for jobs and pipelines across environments,” so that signal is not sufficient.

Question 852

A deployment team promotes code and resources from version control to Databricks workspaces. A production deployment uses Define resources and targets in a Declarative Automation Bundle to address: Developers need one reproducible definition for jobs and pipelines across environments. Which signal should QA check?

  1. No secret value appears in source YAML or deployment logs
  2. The validation detects missing or malformed bundle configuration before deployment
  3. Deployed resources appear only in the intended workspace
  4. Bundle deployment resolves to consistent resources in each target workspace

Explanation

Correct Answer

D:

The acceptance criterion for “Developers need one reproducible definition for jobs and pipelines across environments” is Bundle deployment resolves to consistent resources in each target workspace; this is the expected evidence after Define resources and targets in a Declarative Automation Bundle.

Incorrect Answers

A:

No secret value appears in source YAML or deployment logs would demonstrate the separate action Reference a secret scope or governed connection in the task configuration, which addresses “A secret used in production must not be stored in the bundle YAML.” It does not verify the requirement “Developers need one reproducible definition for jobs and pipelines across environments” following Define resources and targets in a Declarative Automation Bundle.

B:

The validation detects missing or malformed bundle configuration before deployment pertains to a different control (Run `databricks bundle validate -t prod` under the deployment identity) and a different need (A production change must be validated before resources are created or updated). It cannot establish that Define resources and targets in a Declarative Automation Bundle met the stated goal.

C:

Deployed resources appear only in the intended workspace pertains to a different control (Use `databricks bundle deploy` with explicit target and credentials) and a different need (A CI workflow must deploy resource definitions across an approved target workspace). It cannot establish that Define resources and targets in a Declarative Automation Bundle met the stated goal.

Question 853

A deployment team promotes code and resources from version control to Databricks workspaces. An incident review prioritizes one requirement: A production change must be validated before resources are created or updated. What is the most defensible remedy?

  1. Add an approval step in the CI/CD pipeline before running the production deploy
  2. Use development targets with isolate-friendly naming or resource prefixes
  3. Run `databricks bundle validate -t prod` under the deployment identity
  4. Use a Git-backed branch and pull-request review workflow

Explanation

Correct Answer

C:

Run `databricks bundle validate -t prod` under the deployment identity addresses the requested condition (“A production change must be validated before resources are created or updated”) rather than an adjacent platform task. The independent success check is: The validation detects missing or malformed bundle configuration before deployment.

Incorrect Answers

A:

The alternative Add an approval step in the CI/CD pipeline before running the production deploy has a distinct purpose—A deployment requires a human approval boundary for regulated production. It would not establish the required outcome (A production change must be validated before resources are created or updated); the necessary verification concerns The validation detects missing or malformed bundle configuration before deployment.

B:

This action solves a different issue: “Different branches have conflicting deployment names in a shared dev workspace.” Its normal signal is Two developers can deploy their bundles without overwriting each other's resources. Here the requested behavior is “A production change must be validated before resources are created or updated,” so that signal is not sufficient.

D:

This action solves a different issue: “A production notebook change must be peer-reviewed before deployment.” Its normal signal is Only approved merged commits enter the deployment branch. Here the requested behavior is “A production change must be validated before resources are created or updated,” so that signal is not sufficient.

Question 854

A deployment team promotes code and resources from version control to Databricks workspaces. A reviewer sees that engineers chose Run `databricks bundle validate -t prod` under the deployment identity. To verify A production change must be validated before resources are created or updated, what should the reviewer observe?

  1. Only approved merged commits enter the deployment branch
  2. The pipeline blocks deployment after an intentionally failing test
  3. Bundle deployment resolves to consistent resources in each target workspace
  4. The validation detects missing or malformed bundle configuration before deployment

Explanation

Correct Answer

D:

The acceptance criterion for “A production change must be validated before resources are created or updated” is The validation detects missing or malformed bundle configuration before deployment; this is the expected evidence after Run `databricks bundle validate -t prod` under the deployment identity.

Incorrect Answers

A:

This signal belongs to the adjacent case “A production notebook change must be peer-reviewed before deployment,” whose remedy is Use a Git-backed branch and pull-request review workflow. The observed result for the present requirement is The validation detects missing or malformed bundle configuration before deployment.

B:

The pipeline blocks deployment after an intentionally failing test would demonstrate the separate action Make bundle deployment depend on automated test and bundle-validation stages, which addresses “A new bundle deployment should not reach production unless tests and validation pass.” It does not verify the requirement “A production change must be validated before resources are created or updated” following Run `databricks bundle validate -t prod` under the deployment identity.

C:

This signal belongs to the adjacent case “Developers need one reproducible definition for jobs and pipelines across environments,” whose remedy is Define resources and targets in a Declarative Automation Bundle. The observed result for the present requirement is The validation detects missing or malformed bundle configuration before deployment.

Question 855

A deployment team promotes code and resources from version control to Databricks workspaces. The current design is incomplete because: A CI job should deploy a reviewed release into production with the correct target. Which change addresses it directly?

  1. Gate production deployment on CI test outcomes
  2. Use development targets with isolate-friendly naming or resource prefixes
  3. Run `databricks bundle deploy -t prod` under approved credentials
  4. Configure an authorized service principal for production deployment

Explanation

Correct Answer

C:

Run `databricks bundle deploy -t prod` under approved credentials addresses the requested condition (“A CI job should deploy a reviewed release into production with the correct target”) rather than an adjacent platform task. The independent success check is: The target workspace shows the deployed resource definitions.

Incorrect Answers

A:

Gate production deployment on CI test outcomes belongs to the separate case “A candidate release should be rejected if an integration test fails,” where An intentionally failing test prevents the deploy action would be expected. That differs from the condition in this stem: “A CI job should deploy a reviewed release into production with the correct target.”

B:

Use development targets with isolate-friendly naming or resource prefixes is appropriate when “Different branches have conflicting deployment names in a shared dev workspace”; it would be verified by Two developers can deploy their bundles without overwriting each other's resources. It does not directly satisfy “A CI job should deploy a reviewed release into production with the correct target,” whose relevant acceptance evidence is The target workspace shows the deployed resource definitions.

D:

Configure an authorized service principal for production deployment belongs to the separate case “A production target must not use the developer's personal credentials,” where Deployment records show the service principal as the acting identity would be expected. That differs from the condition in this stem: “A CI job should deploy a reviewed release into production with the correct target.”

Question 856

A deployment team promotes code and resources from version control to Databricks workspaces. An auditor must prove the outcome of Run `databricks bundle deploy -t prod` under approved credentials for this requirement: A CI job should deploy a reviewed release into production with the correct target. Which test result is best?

  1. The target workspace shows the deployed resource definitions
  2. Development deploy succeeds while unauthorized production deploy is denied
  3. Bundle deployment resolves to consistent resources in each target workspace
  4. Deployed resources appear only in the intended workspace

Explanation

Correct Answer

A:

The team used Run `databricks bundle deploy -t prod` under approved credentials to fulfill “A CI job should deploy a reviewed release into production with the correct target.” Observing The target workspace shows the deployed resource definitions confirms the intended effect in the resulting workload.

Incorrect Answers

B:

Development deploy succeeds while unauthorized production deploy is denied would demonstrate the separate action Separate target-specific deployment permissions by identity, which addresses “A new team member should deploy to development but not production.” It does not verify the requirement “A CI job should deploy a reviewed release into production with the correct target” following Run `databricks bundle deploy -t prod` under approved credentials.

C:

Bundle deployment resolves to consistent resources in each target workspace pertains to a different control (Define resources and targets in a Declarative Automation Bundle) and a different need (Developers need one reproducible definition for jobs and pipelines across environments). It cannot establish that Run `databricks bundle deploy -t prod` under approved credentials met the stated goal.

D:

This signal belongs to the adjacent case “A CI workflow must deploy resource definitions across an approved target workspace,” whose remedy is Use `databricks bundle deploy` with explicit target and credentials. The observed result for the present requirement is The target workspace shows the deployed resource definitions.

Question 857

A deployment team promotes code and resources from version control to Databricks workspaces. The change request states: An unwanted test resource from a bundle should be deleted under controlled lifecycle. Which implementation best satisfies that requirement?

  1. Use supported bundle destroy/remove workflow for the correct target after review
  2. Define resources and targets in a Declarative Automation Bundle
  3. Make bundle deployment depend on automated test and bundle-validation stages
  4. Use `databricks bundle deploy` with explicit target and credentials

Explanation

Correct Answer

A:

Use supported bundle destroy/remove workflow for the correct target after review addresses the requested condition (“An unwanted test resource from a bundle should be deleted under controlled lifecycle”) rather than an adjacent platform task. The independent success check is: Only resources tracked by the selected deployment are removed as expected.

Incorrect Answers

B:

This action solves a different issue: “Developers need one reproducible definition for jobs and pipelines across environments.” Its normal signal is Bundle deployment resolves to consistent resources in each target workspace. Here the requested behavior is “An unwanted test resource from a bundle should be deleted under controlled lifecycle,” so that signal is not sufficient.

C:

This action solves a different issue: “A new bundle deployment should not reach production unless tests and validation pass.” Its normal signal is The pipeline blocks deployment after an intentionally failing test. Here the requested behavior is “An unwanted test resource from a bundle should be deleted under controlled lifecycle,” so that signal is not sufficient.

D:

Use `databricks bundle deploy` with explicit target and credentials belongs to the separate case “A CI workflow must deploy resource definitions across an approved target workspace,” where Deployed resources appear only in the intended workspace would be expected. That differs from the condition in this stem: “An unwanted test resource from a bundle should be deleted under controlled lifecycle.”

Question 858

A deployment team promotes code and resources from version control to Databricks workspaces. A reviewer sees that engineers chose Use supported bundle destroy/remove workflow for the correct target after review. To verify An unwanted test resource from a bundle should be deleted under controlled lifecycle, what should the reviewer observe?

  1. The pipeline blocks deployment after an intentionally failing test
  2. Two developers can deploy their bundles without overwriting each other's resources
  3. Only resources tracked by the selected deployment are removed as expected
  4. No secret value appears in source YAML or deployment logs

Explanation

Correct Answer

C:

The acceptance criterion for “An unwanted test resource from a bundle should be deleted under controlled lifecycle” is Only resources tracked by the selected deployment are removed as expected; this is the expected evidence after Use supported bundle destroy/remove workflow for the correct target after review.

Incorrect Answers

A:

This signal belongs to the adjacent case “A new bundle deployment should not reach production unless tests and validation pass,” whose remedy is Make bundle deployment depend on automated test and bundle-validation stages. The observed result for the present requirement is Only resources tracked by the selected deployment are removed as expected.

B:

Two developers can deploy their bundles without overwriting each other's resources pertains to a different control (Use development targets with isolate-friendly naming or resource prefixes) and a different need (Different branches have conflicting deployment names in a shared dev workspace). It cannot establish that Use supported bundle destroy/remove workflow for the correct target after review met the stated goal.

D:

No secret value appears in source YAML or deployment logs pertains to a different control (Reference a secret scope or governed connection in the task configuration) and a different need (A secret used in production must not be stored in the bundle YAML). It cannot establish that Use supported bundle destroy/remove workflow for the correct target after review met the stated goal.

Question 859

A deployment team promotes code and resources from version control to Databricks workspaces. The current design is incomplete because: Different branches have conflicting deployment names in a shared dev workspace. Which change addresses it directly?

  1. Run `databricks bundle deploy -t prod` under approved credentials
  2. Use development targets with isolate-friendly naming or resource prefixes
  3. Separate target-specific deployment permissions by identity
  4. Use `databricks bundle deploy` with explicit target and credentials

Explanation

Correct Answer

B:

The requirement concerns “Different branches have conflicting deployment names in a shared dev workspace.” The selected operation, Use development targets with isolate-friendly naming or resource prefixes, is the direct engineering control. Its effect can be checked by confirming: Two developers can deploy their bundles without overwriting each other's resources.

Incorrect Answers

A:

Run `databricks bundle deploy -t prod` under approved credentials belongs to the separate case “A CI job should deploy a reviewed release into production with the correct target,” where The target workspace shows the deployed resource definitions would be expected. That differs from the condition in this stem: “Different branches have conflicting deployment names in a shared dev workspace.”

C:

The alternative Separate target-specific deployment permissions by identity has a distinct purpose—A new team member should deploy to development but not production. It would not establish the required outcome (Different branches have conflicting deployment names in a shared dev workspace); the necessary verification concerns Two developers can deploy their bundles without overwriting each other's resources.

D:

Use `databricks bundle deploy` with explicit target and credentials belongs to the separate case “A CI workflow must deploy resource definitions across an approved target workspace,” where Deployed resources appear only in the intended workspace would be expected. That differs from the condition in this stem: “Different branches have conflicting deployment names in a shared dev workspace.”

Question 860

A deployment team promotes code and resources from version control to Databricks workspaces. The team implements Use development targets with isolate-friendly naming or resource prefixes. The goal was: Different branches have conflicting deployment names in a shared dev workspace. Which observed result best verifies success?

  1. Notebook content and deployment metadata match the approved commit
  2. Deployed resources appear only in the intended workspace
  3. Only resources tracked by the selected deployment are removed as expected
  4. Two developers can deploy their bundles without overwriting each other's resources

Explanation

Correct Answer

D:

Two developers can deploy their bundles without overwriting each other's resources directly measures whether Use development targets with isolate-friendly naming or resource prefixes achieved the requirement “Different branches have conflicting deployment names in a shared dev workspace.” It checks the operating result rather than just a configured resource name.

Incorrect Answers

A:

That observation is a valid indicator for “A workspace notebook differs from the deployed Git commit unexpectedly” when using Synchronize or redeploy from the canonical reviewed Git revision. The scenario instead tests “Different branches have conflicting deployment names in a shared dev workspace”; the relevant result is Two developers can deploy their bundles without overwriting each other's resources.

B:

This signal belongs to the adjacent case “A CI workflow must deploy resource definitions across an approved target workspace,” whose remedy is Use `databricks bundle deploy` with explicit target and credentials. The observed result for the present requirement is Two developers can deploy their bundles without overwriting each other's resources.

C:

Only resources tracked by the selected deployment are removed as expected would demonstrate the separate action Use supported bundle destroy/remove workflow for the correct target after review, which addresses “An unwanted test resource from a bundle should be deleted under controlled lifecycle.” It does not verify the requirement “Different branches have conflicting deployment names in a shared dev workspace” following Use development targets with isolate-friendly naming or resource prefixes.