DA0-002 Data Concepts and Environments Practice Question
Which stage of the data lifecycle involves converting raw data into a usable format, such as cleaning or validating?
⚠ Common exam trap
Many candidates confuse ingestion (data arrival) with processing (data transformation), as both occur early in the lifecycle but serve distinct purposes.
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
✓
Processing
Processing is the stage where raw data is transformed into a usable format through cleaning, validation, normalization, or aggregation. This step ensures data quality and consistency before analysis or storage, directly matching the question's description.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Archival
Why it's wrong here
Archival moves old data to long-term storage.
- ✓
Processing
Why this is correct
Processing includes cleaning and transforming raw data.
- ✗
Ingestion
Why it's wrong here
Ingestion is the act of bringing data into the system.
- ✗
Storage
Why it's wrong here
Storage is persisting data, not transforming it.
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