Power BI 778 Visualizations and Report Design

Question 1

Which Power BI visual type is best suited for showing trends over time?

Accepted Answer

Line chart

Answer

Line charts display data points connected across a continuous axis, making them ideal for showing trends or changes over time.

Question 2

What does a slicer do in Power BI?

Accepted Answer

Provides an on-canvas filter that lets report users interactively filter visuals

Answer

A slicer is a visual filter element that report users can interact with to filter all connected visuals on the page.

Question 3

Which visual is most appropriate for displaying part-to-whole relationships as percentages?

Accepted Answer

Pie or donut chart

Answer

Pie and donut charts show how individual parts contribute to a total whole, making them ideal for percentage breakdowns.

Question 4

What is a KPI visual in Power BI used for?

Accepted Answer

Showing a metric against a target or goal with a status indicator

Answer

A KPI visual displays a key metric compared to a defined target, with a trend indicator showing progress direction.

Question 5

What does the 'Drill Down' feature in Power BI visuals allow users to do?

Accepted Answer

Navigate from a higher level of a hierarchy to a more detailed level

Answer

Drill Down lets users click into a visual to explore deeper levels of a data hierarchy, such as going from Year to Quarter to Month.

Power BI 778 Practice Test