Tableau Core Tableau Concepts 3

Question 1

What is the difference between a Tableau extract and a live connection?

Accepted Answer

An extract is a saved snapshot of data, while a live connection queries the source in real time

Answer

Extracts store a compressed snapshot locally, whereas live connections query the source directly.

Question 2

Which Tableau file type packages a workbook together with its data extract and resources?

Accepted Answer

.twbx

Answer

A .twbx (packaged workbook) bundles the workbook with data and supporting files.

Question 3

What does a 'context filter' do in Tableau?

Accepted Answer

Creates a temporary subset of data that other filters then operate on

Answer

A context filter first reduces the dataset, and remaining filters apply to that subset.

Question 4

In Tableau, what is a parameter?

Accepted Answer

A dynamic value users can input to control calculations or filters

Answer

Parameters are user-controllable values that can feed calculations, filters, or reference lines.

Question 5

Which aggregation does Tableau apply to a measure by default when you drag it to a view?

Accepted Answer

SUM

Answer

Tableau aggregates numeric measures using SUM by default.

Tableau Practice Test