ADE ADE Data Quality & Governance

Question 1

What is a data catalog in a data engineering context?

Accepted Answer

A metadata repository that helps users discover, understand, and govern data assets

Answer

A data catalog is a metadata management tool that inventories data assets, describes their lineage, and helps teams discover and govern data.

Question 2

Which data quality dimension measures whether data accurately represents the real-world entity it models?

Accepted Answer

Accuracy

Answer

Data accuracy measures whether values correctly reflect the real-world facts they represent, such as a customer's correct address or birth date.

Question 3

What is data lineage in a data engineering context?

Accepted Answer

The tracking of data's origin, movement, and transformations throughout its lifecycle

Answer

Data lineage tracks where data comes from, how it moves through pipelines, and what transformations it undergoes, enabling impact analysis and debugging.

Question 4

Which of the following best defines 'data completeness' as a data quality dimension?

Accepted Answer

All required data fields are populated with valid values

Answer

Data completeness measures whether all required data fields are present and populated, flagging null or missing values as quality issues.

Question 5

In data governance, what is a 'data steward'?

Accepted Answer

A person responsible for managing data quality and ensuring compliance for a specific data domain

Answer

A data steward is an assigned person who oversees data quality, defines business rules, and ensures data policies are followed within a domain.

ADE - Associate Data Engineer Certification Practice Test

ADE - Associate Data Engineer Certification Practice Test

ADE ADE Data Quality & Governance