DA0-002 Visualization and Reporting Practice Question
A data analyst wants to show the proportion of total sales for each product category. There are 4 categories. Which chart type is most appropriate?
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
✓
Pie chart
Pie charts are suitable for showing part-to-whole relationships when there are a limited number of categories (5-7 or fewer).
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Pie chart
Why this is correct
Pie charts effectively show proportions for a small number of categories.
- ✗
Line chart
Why it's wrong here
Line charts show trends, not proportions.
- ✗
Scatter plot
Why it's wrong here
Scatter plots show correlation, not proportions.
- ✗
Histogram
Why it's wrong here
Histograms show distribution of a continuous variable.
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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.