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Exam Code: Certified Data Engineer Professional

Exam Name Certified Data Engineer Professional

Certification Provider: Databricks

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Databricks Certified Data Engineer Professional Practice Test 78

Question 770

A fraud analytics pipeline must protect direct identifiers while retaining useful linking semantics. A reviewer sees that engineers chose Use controlled reversible tokenization with a restricted mapping vault. To verify Authorized internal reidentification is necessary for customer service support, what should the reviewer observe?

  1. The partner sees only the allowed age band rather than full date
  2. Matching source IDs yield consistent digests without a published mapping table
  3. Only the trusted service role can resolve tokens to the original identifier
  4. Joined records match on pseudonyms while raw identities remain protected

Explanation

Correct Answer

C:

Only the trusted service role can resolve tokens to the original identifier directly measures whether Use controlled reversible tokenization with a restricted mapping vault achieved the requirement “Authorized internal reidentification is necessary for customer service support.” It checks the operating result rather than just a configured resource name.

Incorrect Answers

A:

The partner sees only the allowed age band rather than full date would demonstrate the separate action Generalize precise dates into approved age ranges, which addresses “A birth date should be coarsened to an age band to reduce identification risk.” It does not verify the requirement “Authorized internal reidentification is necessary for customer service support” following Use controlled reversible tokenization with a restricted mapping vault.

B:

Matching source IDs yield consistent digests without a published mapping table pertains to a different control (Use a suitable cryptographic one-way keyed hash with secret management) and a different need (A nonreversible representation is required for equality matching without a secret table). It cannot establish that Use controlled reversible tokenization with a restricted mapping vault met the stated goal.

D:

This signal belongs to the adjacent case “The same customer should map consistently across datasets without revealing the original ID,” whose remedy is Use controlled keyed tokenization or HMAC pseudonymization. The observed result for the present requirement is Only the trusted service role can resolve tokens to the original identifier.

Question 771

A pipeline connects to an external payroll database with credentials under rotation. The change request states: A notebook currently stores a database password in plaintext source code. Which implementation best satisfies that requirement?

  1. Configure the job's supported service-principal identity and least privileges
  2. Move the password to a secured secret scope or governed connection
  3. Remove the output, rotate the exposed credential and prevent logging secrets
  4. Grant supported use permissions while withholding secret-management rights

Explanation

Correct Answer

B:

Move the password to a secured secret scope or governed connection addresses the requested condition (“A notebook currently stores a database password in plaintext source code”) rather than an adjacent platform task. The independent success check is: Source code and deployment manifests no longer contain the secret.

Incorrect Answers

A:

This action solves a different issue: “A scheduled job must use a managed identity or service principal instead of an employee's token.” Its normal signal is The job continues successfully after the employee account is disabled. Here the requested behavior is “A notebook currently stores a database password in plaintext source code,” so that signal is not sufficient.

C:

This action solves a different issue: “A secret was accidentally printed in notebook output during debugging.” Its normal signal is A new run logs no credential value and old secret no longer authenticates. Here the requested behavior is “A notebook currently stores a database password in plaintext source code,” so that signal is not sufficient.

D:

The alternative Grant supported use permissions while withholding secret-management rights has a distinct purpose—A developer needs to test access without gaining permission to read the underlying secret. It would not establish the required outcome (A notebook currently stores a database password in plaintext source code); the necessary verification concerns Source code and deployment manifests no longer contain the secret.

Question 772

A pipeline connects to an external payroll database with credentials under rotation. The change record shows Move the password to a secured secret scope or governed connection. The acceptance test concerns: A notebook currently stores a database password in plaintext source code. Which outcome confirms it?

  1. Developer can run the permitted job but cannot list protected secret values
  2. Source code and deployment manifests no longer contain the secret
  3. The job continues successfully after the employee account is disabled
  4. The job authenticates with the new credential and rejects old credentials

Explanation

Correct Answer

B:

The team used Move the password to a secured secret scope or governed connection to fulfill “A notebook currently stores a database password in plaintext source code.” Observing Source code and deployment manifests no longer contain the secret confirms the intended effect in the resulting workload.

Incorrect Answers

A:

This signal belongs to the adjacent case “A developer needs to test access without gaining permission to read the underlying secret,” whose remedy is Grant supported use permissions while withholding secret-management rights. The observed result for the present requirement is Source code and deployment manifests no longer contain the secret.

C:

This signal belongs to the adjacent case “A scheduled job must use a managed identity or service principal instead of an employee's token,” whose remedy is Configure the job's supported service-principal identity and least privileges. The observed result for the present requirement is Source code and deployment manifests no longer contain the secret.

D:

This signal belongs to the adjacent case “The remote database credentials rotate periodically,” whose remedy is Update the secured secret reference or governed connection on rotation. The observed result for the present requirement is Source code and deployment manifests no longer contain the secret.

Question 773

A pipeline connects to an external payroll database with credentials under rotation. An incident review prioritizes one requirement: A secret was accidentally printed in notebook output during debugging. What is the most defensible remedy?

  1. Remove the output, rotate the exposed credential and prevent logging secrets
  2. Configure the job's supported service-principal identity and least privileges
  3. Update the secured secret reference or governed connection on rotation
  4. Grant supported use permissions while withholding secret-management rights

Explanation

Correct Answer

A:

The requirement concerns “A secret was accidentally printed in notebook output during debugging.” The selected operation, Remove the output, rotate the exposed credential and prevent logging secrets, is the direct engineering control. Its effect can be checked by confirming: A new run logs no credential value and old secret no longer authenticates.

Incorrect Answers

B:

Configure the job's supported service-principal identity and least privileges belongs to the separate case “A scheduled job must use a managed identity or service principal instead of an employee's token,” where The job continues successfully after the employee account is disabled would be expected. That differs from the condition in this stem: “A secret was accidentally printed in notebook output during debugging.”

C:

Update the secured secret reference or governed connection on rotation belongs to the separate case “The remote database credentials rotate periodically,” where The job authenticates with the new credential and rejects old credentials would be expected. That differs from the condition in this stem: “A secret was accidentally printed in notebook output during debugging.”

D:

This action solves a different issue: “A developer needs to test access without gaining permission to read the underlying secret.” Its normal signal is Developer can run the permitted job but cannot list protected secret values. Here the requested behavior is “A secret was accidentally printed in notebook output during debugging,” so that signal is not sufficient.

Question 774

A pipeline connects to an external payroll database with credentials under rotation. Following Remove the output, rotate the exposed credential and prevent logging secrets, the incident team needs evidence that A secret was accidentally printed in notebook output during debugging. Which observation supports closure?

  1. The job authenticates with the new credential and rejects old credentials
  2. The job continues successfully after the employee account is disabled
  3. A new run logs no credential value and old secret no longer authenticates
  4. Developer can run the permitted job but cannot list protected secret values

Explanation

Correct Answer

C:

A new run logs no credential value and old secret no longer authenticates is the matching outcome for the implemented control (Remove the output, rotate the exposed credential and prevent logging secrets) and the stated requirement “A secret was accidentally printed in notebook output during debugging.”

Incorrect Answers

A:

The job authenticates with the new credential and rejects old credentials pertains to a different control (Update the secured secret reference or governed connection on rotation) and a different need (The remote database credentials rotate periodically). It cannot establish that Remove the output, rotate the exposed credential and prevent logging secrets met the stated goal.

B:

This signal belongs to the adjacent case “A scheduled job must use a managed identity or service principal instead of an employee's token,” whose remedy is Configure the job's supported service-principal identity and least privileges. The observed result for the present requirement is A new run logs no credential value and old secret no longer authenticates.

D:

This signal belongs to the adjacent case “A developer needs to test access without gaining permission to read the underlying secret,” whose remedy is Grant supported use permissions while withholding secret-management rights. The observed result for the present requirement is A new run logs no credential value and old secret no longer authenticates.

Question 775

A pipeline connects to an external payroll database with credentials under rotation. An incident review prioritizes one requirement: A scheduled job must use a managed identity or service principal instead of an employee's token. What is the most defensible remedy?

  1. Configure the job's supported service-principal identity and least privileges
  2. Move the password to a secured secret scope or governed connection
  3. Grant supported use permissions while withholding secret-management rights
  4. Update the secured secret reference or governed connection on rotation

Explanation

Correct Answer

A:

The requirement concerns “A scheduled job must use a managed identity or service principal instead of an employee's token.” The selected operation, Configure the job's supported service-principal identity and least privileges, is the direct engineering control. Its effect can be checked by confirming: The job continues successfully after the employee account is disabled.

Incorrect Answers

B:

Move the password to a secured secret scope or governed connection belongs to the separate case “A notebook currently stores a database password in plaintext source code,” where Source code and deployment manifests no longer contain the secret would be expected. That differs from the condition in this stem: “A scheduled job must use a managed identity or service principal instead of an employee's token.”

C:

This action solves a different issue: “A developer needs to test access without gaining permission to read the underlying secret.” Its normal signal is Developer can run the permitted job but cannot list protected secret values. Here the requested behavior is “A scheduled job must use a managed identity or service principal instead of an employee's token,” so that signal is not sufficient.

D:

Update the secured secret reference or governed connection on rotation belongs to the separate case “The remote database credentials rotate periodically,” where The job authenticates with the new credential and rejects old credentials would be expected. That differs from the condition in this stem: “A scheduled job must use a managed identity or service principal instead of an employee's token.”

Question 776

A pipeline connects to an external payroll database with credentials under rotation. An auditor must prove the outcome of Configure the job's supported service-principal identity and least privileges for this requirement: A scheduled job must use a managed identity or service principal instead of an employee's token. Which test result is best?

  1. The job continues successfully after the employee account is disabled
  2. Developer can run the permitted job but cannot list protected secret values
  3. Source code and deployment manifests no longer contain the secret
  4. A new run logs no credential value and old secret no longer authenticates

Explanation

Correct Answer

A:

The acceptance criterion for “A scheduled job must use a managed identity or service principal instead of an employee's token” is The job continues successfully after the employee account is disabled; this is the expected evidence after Configure the job's supported service-principal identity and least privileges.

Incorrect Answers

B:

This signal belongs to the adjacent case “A developer needs to test access without gaining permission to read the underlying secret,” whose remedy is Grant supported use permissions while withholding secret-management rights. The observed result for the present requirement is The job continues successfully after the employee account is disabled.

C:

Source code and deployment manifests no longer contain the secret would demonstrate the separate action Move the password to a secured secret scope or governed connection, which addresses “A notebook currently stores a database password in plaintext source code.” It does not verify the requirement “A scheduled job must use a managed identity or service principal instead of an employee's token” following Configure the job's supported service-principal identity and least privileges.

D:

A new run logs no credential value and old secret no longer authenticates pertains to a different control (Remove the output, rotate the exposed credential and prevent logging secrets) and a different need (A secret was accidentally printed in notebook output during debugging). It cannot establish that Configure the job's supported service-principal identity and least privileges met the stated goal.

Question 777

A pipeline connects to an external payroll database with credentials under rotation. The engineering team must satisfy this constraint: The remote database credentials rotate periodically. Select the best technical action.

  1. Grant supported use permissions while withholding secret-management rights
  2. Configure the job's supported service-principal identity and least privileges
  3. Update the secured secret reference or governed connection on rotation
  4. Remove the output, rotate the exposed credential and prevent logging secrets

Explanation

Correct Answer

C:

The requirement concerns “The remote database credentials rotate periodically.” The selected operation, Update the secured secret reference or governed connection on rotation, is the direct engineering control. Its effect can be checked by confirming: The job authenticates with the new credential and rejects old credentials.

Incorrect Answers

A:

Grant supported use permissions while withholding secret-management rights belongs to the separate case “A developer needs to test access without gaining permission to read the underlying secret,” where Developer can run the permitted job but cannot list protected secret values would be expected. That differs from the condition in this stem: “The remote database credentials rotate periodically.”

B:

The alternative Configure the job's supported service-principal identity and least privileges has a distinct purpose—A scheduled job must use a managed identity or service principal instead of an employee's token. It would not establish the required outcome (The remote database credentials rotate periodically); the necessary verification concerns The job authenticates with the new credential and rejects old credentials.

D:

This action solves a different issue: “A secret was accidentally printed in notebook output during debugging.” Its normal signal is A new run logs no credential value and old secret no longer authenticates. Here the requested behavior is “The remote database credentials rotate periodically,” so that signal is not sufficient.

Question 778

A pipeline connects to an external payroll database with credentials under rotation. An auditor must prove the outcome of Update the secured secret reference or governed connection on rotation for this requirement: The remote database credentials rotate periodically. Which test result is best?

  1. The job authenticates with the new credential and rejects old credentials
  2. A new run logs no credential value and old secret no longer authenticates
  3. Developer can run the permitted job but cannot list protected secret values
  4. Source code and deployment manifests no longer contain the secret

Explanation

Correct Answer

A:

The team used Update the secured secret reference or governed connection on rotation to fulfill “The remote database credentials rotate periodically.” Observing The job authenticates with the new credential and rejects old credentials confirms the intended effect in the resulting workload.

Incorrect Answers

B:

A new run logs no credential value and old secret no longer authenticates would demonstrate the separate action Remove the output, rotate the exposed credential and prevent logging secrets, which addresses “A secret was accidentally printed in notebook output during debugging.” It does not verify the requirement “The remote database credentials rotate periodically” following Update the secured secret reference or governed connection on rotation.

C:

That observation is a valid indicator for “A developer needs to test access without gaining permission to read the underlying secret” when using Grant supported use permissions while withholding secret-management rights. The scenario instead tests “The remote database credentials rotate periodically”; the relevant result is The job authenticates with the new credential and rejects old credentials.

D:

This signal belongs to the adjacent case “A notebook currently stores a database password in plaintext source code,” whose remedy is Move the password to a secured secret scope or governed connection. The observed result for the present requirement is The job authenticates with the new credential and rejects old credentials.

Question 779

A pipeline connects to an external payroll database with credentials under rotation. Production acceptance depends on this condition: A developer needs to test access without gaining permission to read the underlying secret. What should the engineer configure?

  1. Remove the output, rotate the exposed credential and prevent logging secrets
  2. Update the secured secret reference or governed connection on rotation
  3. Move the password to a secured secret scope or governed connection
  4. Grant supported use permissions while withholding secret-management rights

Explanation

Correct Answer

D:

The requirement concerns “A developer needs to test access without gaining permission to read the underlying secret.” The selected operation, Grant supported use permissions while withholding secret-management rights, is the direct engineering control. Its effect can be checked by confirming: Developer can run the permitted job but cannot list protected secret values.

Incorrect Answers

A:

Remove the output, rotate the exposed credential and prevent logging secrets belongs to the separate case “A secret was accidentally printed in notebook output during debugging,” where A new run logs no credential value and old secret no longer authenticates would be expected. That differs from the condition in this stem: “A developer needs to test access without gaining permission to read the underlying secret.”

B:

Update the secured secret reference or governed connection on rotation is appropriate when “The remote database credentials rotate periodically”; it would be verified by The job authenticates with the new credential and rejects old credentials. It does not directly satisfy “A developer needs to test access without gaining permission to read the underlying secret,” whose relevant acceptance evidence is Developer can run the permitted job but cannot list protected secret values.

C:

Move the password to a secured secret scope or governed connection is appropriate when “A notebook currently stores a database password in plaintext source code”; it would be verified by Source code and deployment manifests no longer contain the secret. It does not directly satisfy “A developer needs to test access without gaining permission to read the underlying secret,” whose relevant acceptance evidence is Developer can run the permitted job but cannot list protected secret values.

Question 780

A pipeline connects to an external payroll database with credentials under rotation. Engineers have applied Grant supported use permissions while withholding secret-management rights. Which result establishes the required behavior: A developer needs to test access without gaining permission to read the underlying secret?

  1. A new run logs no credential value and old secret no longer authenticates
  2. Source code and deployment manifests no longer contain the secret
  3. The job continues successfully after the employee account is disabled
  4. Developer can run the permitted job but cannot list protected secret values

Explanation

Correct Answer

D:

Developer can run the permitted job but cannot list protected secret values directly measures whether Grant supported use permissions while withholding secret-management rights achieved the requirement “A developer needs to test access without gaining permission to read the underlying secret.” It checks the operating result rather than just a configured resource name.

Incorrect Answers

A:

That observation is a valid indicator for “A secret was accidentally printed in notebook output during debugging” when using Remove the output, rotate the exposed credential and prevent logging secrets. The scenario instead tests “A developer needs to test access without gaining permission to read the underlying secret”; the relevant result is Developer can run the permitted job but cannot list protected secret values.

B:

This signal belongs to the adjacent case “A notebook currently stores a database password in plaintext source code,” whose remedy is Move the password to a secured secret scope or governed connection. The observed result for the present requirement is Developer can run the permitted job but cannot list protected secret values.

C:

That observation is a valid indicator for “A scheduled job must use a managed identity or service principal instead of an employee's token” when using Configure the job's supported service-principal identity and least privileges. The scenario instead tests “A developer needs to test access without gaining permission to read the underlying secret”; the relevant result is Developer can run the permitted job but cannot list protected secret values.