Tableau Geographic Data and Mapping 3

Question 1

Which Tableau feature creates a heatmap effect showing concentration of points without individual marks?

Accepted Answer

Density mark type

Answer

The Density mark type renders a heatmap showing where points cluster most densely.

Question 2

To overlay symbol marks on top of a filled map in Tableau, which technique is commonly used?

Accepted Answer

A dual-axis map using two Latitude/Longitude pairs

Answer

Adding a second generated Latitude to the Rows shelf and choosing Dual Axis layers two map layers.

Question 3

Which background map provider/styles are available natively in Tableau's Map menu?

Accepted Answer

Normal, Light, Dark, Streets, Outdoors, and Satellite styles

Answer

Tableau offers several built-in background map styles including Light, Dark, Streets, Outdoors, and Satellite.

Question 4

What is required to display custom polygons (e.g., custom sales territories) on a Tableau map?

Accepted Answer

Polygon data with point order (Path) and a Polygon mark type, or a spatial file

Answer

Custom shapes need polygon vertices ordered by a Path field with the Polygon mark type, or a spatial file like a shapefile.

Question 5

Which spatial file formats can Tableau connect to directly?

Accepted Answer

Shapefiles, KML, GeoJSON, MapInfo, and TopoJSON

Answer

Tableau can connect directly to common spatial formats including Shapefile, KML, GeoJSON, MapInfo, and TopoJSON.

Tableau Practice Test