Tableau Connecting & Preparing Data 5

Question 1

Which data role does Tableau assign to a field shown with a globe icon?

Accepted Answer

Geographic role

Answer

A globe icon indicates Tableau has assigned a geographic role to the field.

Question 2

How does Tableau distinguish dimensions from measures in the Data pane by default?

Accepted Answer

Dimensions are blue, measures are green

Answer

By default Tableau colors discrete dimensions blue and continuous measures green.

Question 3

What does changing a field's data type from string to date enable?

Accepted Answer

Date-based functions, hierarchies, and continuous axes

Answer

Setting a date type unlocks date hierarchies, date math, and time-based axes.

Question 4

What is the role of the primary key when joining tables to avoid duplicated rows?

Accepted Answer

It uniquely identifies each row to prevent unintended row multiplication

Answer

Joining on a unique key avoids fan-out duplication that occurs with many-to-many matches.

Question 5

Which approach lets you connect to data without writing custom SQL, using a visual canvas?

Accepted Answer

Drag tables onto the data source canvas

Answer

The data source canvas lets you drag tables to build joins and relationships visually.

Tableau Practice Test