DA0-002 Visualization and Reporting Practice Question
In Looker Studio, a data analyst has two data sources: one with customer IDs and transactions, and another with customer demographics. They need to create a chart that includes fields from both sources. Which feature should they use?
⚠ Common exam trap
Many exam-takers confuse data blending with calculated fields, thinking a formula can reference fields from another source, but Looker Studio restricts calculated fields to operate only within a single data source.
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
✓
Data blending
Data blending in Looker Studio allows you to combine data from two or more separate data sources based on a common key (e.g., customer ID). This enables you to create a chart that uses fields from both the transactions source and the demographics source without needing to merge the data at the database level. Without blending, a single chart can only reference fields from one data source at a time.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Data blending
Why this is correct
Blending merges data from different sources based on a key.
- ✗
Calculated fields
Why it's wrong here
Calculated fields create new fields within a single source.
- ✗
Community connectors
Why it's wrong here
Community connectors import data from external services, not combine sources.
- ✗
Dashboard filters
Why it's wrong here
Filters restrict data but do not combine sources.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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.