DA Data Ethics and Governance 2

Question 1

Which technique replaces sensitive data with a non-sensitive placeholder that cannot be reversed without a lookup key?

Accepted Answer

Tokenization

Answer

Tokenization substitutes sensitive data with a randomly generated token; the original value can only be retrieved via a secure token vault.

Question 2

A company shares customer data with a third-party vendor for analysis. Which data governance control is most critical to establish first?

Accepted Answer

A data sharing agreement or DPA

Answer

A Data Processing Agreement (DPA) or data sharing agreement legally defines how the third party may use, protect, and dispose of the data.

Question 3

What does 'data minimization' mean in the context of privacy regulations?

Accepted Answer

Collecting only the data necessary for the specified purpose

Answer

Data minimization is a GDPR principle requiring organizations to collect and retain only the data that is strictly necessary for a defined purpose.

Question 4

Which of the following is an example of implicit bias in a dataset?

Accepted Answer

A training dataset that underrepresents women in leadership roles

Answer

Implicit bias occurs when historical patterns or systemic inequalities are reflected in the data, causing models trained on it to perpetuate those patterns.

Question 5

What is the difference between data anonymization and data pseudonymization?

Accepted Answer

Pseudonymization replaces identifiers with codes that can be re-linked; anonymization is irreversible

Answer

Pseudonymization replaces direct identifiers with pseudonyms but keeps a key that allows re-identification, while anonymization irreversibly removes all identifying information.

DA - Data Analyst Practice Test

DA - Data Analyst Practice Test

DA Data Ethics and Governance 2