Project Management Institute (PMI) Professional in Business Analysis Practice Exam

What does a Data Dictionary provide information about?

1. The methodologies for data management

2. The attributes of specific data objects cataloged for reference

3. The hardware specifications for data storage

4. The statistical analysis of data types

The correct answer is: The attributes of specific data objects cataloged for reference

A Data Dictionary serves as a comprehensive repository that provides detailed information about the attributes of specific data objects used within a system or project. It typically includes definitions of data elements, their types, possible values, relationships between different data objects, and rules or constraints related to the data. This allows stakeholders to understand the data being used, how it is structured, and how it can be effectively utilized within models or systems. By detailing these attributes, the Data Dictionary enhances communication among project team members, facilitates data governance, and supports data management activities by ensuring consistency and clarity regarding data usage across different projects or systems. The information encapsulated in a Data Dictionary is crucial for promoting data integrity and fostering an environment where data can be effectively shared and understood. In contrast, other options do not accurately capture the primary purpose of a Data Dictionary. While methodologies for data management focus on frameworks and practices for handling data, hardware specifications pertain to the physical components where data is stored, and statistical analysis involves examining data for patterns and insights. These aspects are related but are not the central function of a Data Dictionary, which predominantly emphasizes the attributes and meanings of the data itself.