DAC Data Tools and Visualization 5

Question 1

Which visualization is best suited to show a trend over continuous time?

Accepted Answer

Line chart

Answer

Pie chart

Answer

Treemap

Answer

Word cloud

Question 2

In Power BI, what does establishing a relationship between two tables enable?

Accepted Answer

Filtering and aggregating across related tables

Answer

Faster file download

Answer

Automatic chart color changes

Answer

Row-level encryption

Question 3

A heatmap is most effective for what purpose?

Accepted Answer

Showing intensity across a two-dimensional matrix

Answer

Comparing two exact values

Answer

Displaying a single KPI

Answer

Showing hierarchical flow

Question 4

Which practice reduces misleading interpretation in bar charts?

Accepted Answer

Starting the value axis at zero

Answer

Truncating the axis to exaggerate differences

Answer

Using 3D perspective

Answer

Removing axis labels

Question 5

In data storytelling, what is the role of annotations on a chart?

Accepted Answer

Highlight key insights and guide the viewer's attention

Answer

Increase file size

Answer

Replace the axis labels

Answer

Encrypt sensitive values

Question 6

Which tool feature allows a dashboard metric to update automatically when the underlying data source refreshes?

Accepted Answer

Scheduled data refresh

Answer

Static image export

Answer

Manual retyping

Answer

Screenshot embedding

Question 7

What does a dual-axis (combo) chart allow you to compare?

Accepted Answer

Two measures with different scales on the same chart

Answer

Only categorical data

Answer

Geographic regions

Answer

A single measure only