True or False: It is possible to change the Geographic Role of a dimension

• A.True
• B.False

Correct Answer: A

A geographic role associates each value in a field with a latitude and longitude value.
Assigning a geographic role based on the type of location (such as state versus postcode) helps ensure that your data is plotted correctly on your map view. For example, you can assign the City geographic role to a field that contains a list of city names.
To assign a geographic role to a field:
In the Data pane, click the data type icon next to the field, select Geographic Role, and then select the geographic role you want to assign to the field.

When you assign a geographic role to a field, Tableau adds two fields to the Measures area of the Data pane: Latitude (generated) and Longitude (generated).
These fields contain latitude and longitude values and are assigned the Latitude and Longitude geographic roles. If you double-click each of these fields, Tableau adds them to the Columns and Rows shelves and creates a map view using the Tableau background map.

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Which two options can you use to change the device layout of a dashboard? Choose two.

• A.The Dashboard pane
• B.The Format menu
• C.The Dashboard menu
• D.The Layout pane

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Which of the following can you use to create a Histogram?

• A.2 measures
• B.1 measure
• C.2 dimensions
• D.1 dimension

Correct Answer: B

A histogram is a chart that displays the shape of a distribution. A histogram looks like a bar chart but groups values for a continuous measure into ranges, or bins.
The basic building blocks for a histogram are as follows:


Demo :

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Our use case states that we need to create a set showing the Bottom 10 products by Profit in each Region.
Which of the following filter types should you apply on Region?

• A.Measure Filters
• B.Context Filters
• C.Extract Filters
• D.Dimension Filters

Correct Answer: B

The beauty of context filters is that according to Tableau's Order of Operations, they are executed before Sets.
Diagram Description automatically generated

This means that based on what Region's you've selected - Tableau will first only preserve the rows for those Regions. THEN, after this it will compute the Set , i.e , Bottom 10 products in each Region.
1) First let's create a set to compute the Bottom 10 Products by Profit.

2) Next, take region on the Rows Shelf followed by the Set we just created. Drag Region and the Set to the Filters Shelf as well.

3) Now, try to only visualize the data for the South Region:

4) The problem right now is that Tableau is computing the Set first (Bottom 10 Products), and then applying the Dimension Filter - South Region and hence these values are incorrect. Note how these aren't even 10 products, but rather just 8. To fix this, simply add Region to Context:

Upon doing this, we get the correct answer as :

References: https://help.tableau.com/current/pro/desktop/en-us/order_of_operations.htm
https://help.tableau.com/current/pro/desktop/en-us/filtering_context.htm

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True or False: Context Filters are executed after Data Source filters

• A.True
• B.False

Correct Answer: A

Explanation
THIS IS A VERY IMPORTANT QUESTION
To answer this question, you need to understand Tableau's Order of Operations. See below and remember this always:

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