DA0-001 Question #209: Real Exam Question with Answer & Explanation

Question

A data analyst is developing a data dictionary that aligns with a company's data management processes and policies. Which of the following best describes what should be included in the data dictionary?

Options

• AInformation containing the links to business data
• BInformation explaining the business methodologies
• CInformation containing definitions of the business data
• DInformation describing the data analysis phases

Explanation

A data dictionary serves as a centralized repository that provides detailed definitions, characteristics, and meanings for all data elements within a company's systems, ensuring consistent understanding and usage.

Common mistakes.

• A. While a data dictionary might reference data sources, its primary role is not to contain links to the actual business data itself, but rather metadata about it.
• B. Information explaining business methodologies relates more to process documentation or business intelligence reports than to the structural definition of data elements.
• D. Information describing data analysis phases relates to project management or data science methodologies, not the specific definitions of data elements found in a data dictionary.

Concept tested. Purpose of a data dictionary

Reference. https://learn.microsoft.com/en-us/power-apps/maker/data-platform/create-edit-entity-attributes#define-attributes-in-your-data-dictionary

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