Core Tableau Concepts Flashcards

What is a Tableau 'set'?

Answer: A custom subset of data defined by conditions or manual selection

Sets are custom fields containing a subset of members based on conditions or selection.

Which Tableau feature combines related dimensions, such as Country, State, and City, into a drill-down structure?

Answer: Hierarchy

Hierarchies group related fields so users can drill up and down levels.

What does an LOD (Level of Detail) expression like FIXED allow you to do in Tableau?

Answer: Compute an aggregation at a specific dimensionality regardless of the view

FIXED LOD expressions aggregate at a defined granularity independent of view dimensions.

Which Tableau action lets clicking a mark in one sheet filter another sheet on a dashboard?

Answer: Filter action

A filter action uses selections in one sheet to filter the data shown in another.

What is the purpose of a dual-axis chart in Tableau?

Answer: Overlay two measures on the same chart using two synchronized or independent axes

Dual-axis charts plot two measures together, often combining chart types in one view.

Which Tableau component is best for showing geographic data using filled or point maps?

Answer: Geographic role assigned to a field

Assigning a geographic role to a field lets Tableau plot it on a map automatically.

What does 'aggregation' mean in the context of a Tableau measure?

Answer: Combining multiple data values into a single summarized value

Aggregation summarizes many underlying values into one, such as sum or average.