ADE ADE Data Quality & Governance 2

Question 1

What does GDPR stand for, and which region's data privacy regulation does it represent?

Accepted Answer

General Data Protection Regulation — European Union

Answer

GDPR (General Data Protection Regulation) is the European Union's comprehensive data privacy law governing how organizations collect, store, and process personal data.

Question 2

Which technique replaces sensitive data with a non-sensitive substitute while preserving data format and usability?

Accepted Answer

Masking

Answer

Data masking replaces sensitive values with realistic but fictional substitutes (e.g., replacing a real SSN with a fake one) for use in non-production environments.

Question 3

What is a 'data contract' in modern data engineering?

Accepted Answer

A formal agreement between data producers and consumers defining data structure, quality, and SLAs

Answer

A data contract is a formal specification that defines the schema, quality expectations, and SLAs between a data producer and its consumers to prevent breaking changes.

Question 4

Which data quality check would detect records where a customer's age field contains a negative value?

Accepted Answer

Validity/range check

Answer

A validity or range check verifies that data values fall within acceptable boundaries, catching logically impossible values like negative ages.

Question 5

What is 'data deduplication' in data quality management?

Accepted Answer

Identifying and removing duplicate records to maintain data integrity

Answer

Data deduplication identifies and eliminates redundant records, ensuring each entity is represented only once to maintain accuracy and reduce storage waste.

ADE - Associate Data Engineer Certification Practice Test

ADE - Associate Data Engineer Certification Practice Test

ADE ADE Data Quality & Governance 2