DA0-002 Data Concepts and Environments Practice Question
Which of the following is an example of semi-structured data?
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
✓
A JSON file
Semi-structured data has tags or markers to separate data elements, like JSON or XML.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
A CSV file without header
Why it's wrong here
CSV without header is still semi-structured but often considered structured; JSON is clearer example.
- ✗
An image file
Why it's wrong here
Images are unstructured data.
- ✗
A table in a relational database
Why it's wrong here
Relational tables are structured data.
- ✓
A JSON file
Why this is correct
JSON uses key-value pairs with flexible schema, typical of semi-structured data.
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