DA0-002 Data Concepts and Environments Practice Question
Which of the following data types best describes a JSON file containing customer orders with varying fields per record?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Semi-structured data
JSON is a semi-structured data format because it allows flexible schema where fields can vary between records.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Unstructured data
Why it's wrong here
Unstructured data lacks a predefined format; JSON has structure.
- ✗
Structured data
Why it's wrong here
Structured data requires a fixed schema, which JSON does not enforce.
- ✗
Relational data
Why it's wrong here
Relational data is stored in tables with rows and columns, not JSON.
- ✓
Semi-structured data
Why this is correct
JSON uses tags/elements to organize data but allows flexibility, making it semi-structured.
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This DA0-002 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the DA0-002 exam.