DA0-002 Visualization and Reporting Practice Question
A data analyst is designing a dashboard that will be viewed on both desktop monitors and mobile devices. The dashboard contains several charts and KPI cards. Which design approach best ensures usability across these devices?
⚠ Common exam trap
The trap here is thinking that shrinking everything to fit mobile is acceptable, but that sacrifices readability; responsive design is about reflowing content, not just scaling it down.
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
✓
Implement a responsive layout that rearranges and resizes elements based on screen size
Implementing a responsive layout is the best approach because it dynamically adjusts the dashboard's elements to fit any screen size, ensuring that charts and KPIs are legible and interactive on both desktop and mobile. This avoids the pitfalls of horizontal scrolling, separate maintenance, and unreadable compact designs.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Use small fonts and compact charts to fit more information on mobile screens
Why it's wrong here
Reducing font size and compacting charts makes the dashboard difficult to read and interact with on mobile devices. Touch targets become too small, and users may struggle to interpret the data. Instead, prioritize key metrics and use responsive design to display them clearly.
- ✗
Use a fixed-width layout with horizontal scrolling for mobile users
Why it's wrong here
A fixed-width layout forces mobile users to scroll horizontally, which is cumbersome and degrades the user experience. Important information may be off-screen, and interactivity becomes difficult on touch devices. Responsive design is preferred to adapt to different screen sizes.
- ✗
Create two separate dashboards: one for desktop and one for mobile
Why it's wrong here
While separate dashboards can be tailored to each device, they require double the maintenance and can lead to inconsistencies in data and design. It is more efficient to use a single responsive design that adapts to different screens, reducing development and upkeep efforts.
- ✓
Implement a responsive layout that rearranges and resizes elements based on screen size
Why this is correct
A responsive layout automatically adjusts the arrangement and size of dashboard elements to fit the screen, ensuring that charts and KPIs remain readable and accessible on any device. This approach eliminates horizontal scrolling and optimizes the viewing experience for both desktop and mobile users.
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Senior Network & Security Engineer · founder of Courseiva
Last reviewed September 2026 · checked against the official CompTIA exam blueprint
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.