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

• A.True
• B.False

Correct Answer: A

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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_________________ is useful when you need to change how the data source is configured on a sheet-by-sheet basis, and when you want to combine databases that don't allow relationships or joins

• A.Union
• B.Data Joining
• C.Data segregation
• D.Data Blending

Correct Answer: D

Data blending is performed on a sheet-by-sheet basis and is established when a field from a second data source is used in the view. To create a blend in a workbook already connected to at least two data sources, bring a field from one data source to the sheet-it becomes the primary data source.
Switch to the other data source and use a field on the same sheet-it becomes a secondary data source. An orange linking icon will appear in the data pane, indicating which field(s) are being used to blend the data sources.

According to the official Tableau Documentation:

To read more about Data Blending, click on THIS link.

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You create a crosstab that shows a list of 100 hotel chains alongside their average nightly cost.
You also create two groups showing, respectively, the top 10 and bottom 10 hotel chains by cost, with subtotals.
What should you do to improve the crosstab and compare the two groups to all the remaining hotel chains?

• A.Include the Summary card.
• B.Color encode the hotel chain names.
• C.Create a new view.
• D.Include an Other group.

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When viewing quick table calculations, such as Percent Difference from, that use a value in the previous column, what will be the first data value in the visualization?

• A.The current value
• B.Zero (0)
• C.Null
• D.Duplicated from the nearest column

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A union of two tables usually results in an

• A.decrease in the number of rows
• B.increase in the number of rows
• C.decrease in the number of columns
• D.increase in the number of columns

Correct Answer: B

From the official Tableau documentation:
You can union your data to combine two or more tables by appending values (ROWS) from one table to another. To union your data in Tableau data source, the tables must come from the same connection.

Graphical user interface, text Description automatically generated

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