DA0-002 Data Concepts and Environments Practice Question
Which TWO of the following are examples 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
✓
XML document
XML and JSON have tags/keys but no rigid schema, making them semi-structured. CSV is structured, relational tables are structured, plain text is unstructured.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
XML document
Why this is correct
XML uses tags and has flexible schema, semi-structured.
- ✓
JSON object
Why this is correct
JSON uses key-value pairs with varying structure, semi-structured.
- ✗
Relational table
Why it's wrong here
Relational tables have fixed schema, structured data.
- ✗
Plain text file
Why it's wrong here
Plain text has no structure, unstructured data.
- ✗
CSV file
Why it's wrong here
CSV is structured (tabular with defined columns).
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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