CompTIA Data+ (DA0-001) — Question 38

Which of the following are reasons to create and maintain a data dictionary? (Choose two.)

Answer options

• A. To improve data acquisition
• B. To remember specifics about data fields
• C. To specify user groups for databases
• D. To provide continuity through personnel turnover
• E. To confine breaches of PHI data
• F. To reduce processing power requirements

Correct answer: A, D

Explanation

Creating and maintaining a data dictionary helps to improve data acquisition by providing clear definitions and structures for data elements, facilitating better data collection practices. Additionally, it ensures continuity through personnel turnover by documenting data definitions, which aids new team members in understanding the data context, unlike the other options which are either unrelated or not primary reasons for a data dictionary.