DA0-002 Data Concepts and Environments Practice Question
A company ingests customer clickstream data from its website. The data arrives continuously in JSON format and must be stored for real-time analytics. Which type of data source is being described?
⚠ Common exam trap
CompTIA Data+ often tests the distinction between 'streaming data' and 'data warehouse' by describing continuous ingestion, leading candidates to mistakenly choose 'data warehouse' because they associate analytics with warehousing, ignoring the real-time requirement.
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
✓
Streaming data
The description matches a streaming data source because clickstream data arrives continuously in JSON format and must be stored for real-time analytics. Streaming data sources, such as Apache Kafka or Amazon Kinesis, ingest unbounded data in real time, enabling immediate processing and analytics without batch delays.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Transactional database
Why it's wrong here
Transactional databases handle discrete transactions, not continuous streams.
- ✗
Flat file
Why it's wrong here
Flat files are static, not continuous.
- ✗
Data warehouse
Why it's wrong here
Data warehouses store structured historical data for analytics.
- ✓
Streaming data
Why this is correct
Correct: continuous data from clickstreams.
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