TABLEAU DESKTOP SPECIALIST
EXAM 2025 QUESTIONS AND
ANSWERS
Which of the following is the best reason to create a saved data source as a .TDS file?
a. Those who wish to use the data do not have access to the underlying data.
b. You want to save the default field properties such as number formats and sort order.
c. You want to save a snapshot of the data that will not update even when the underlying
data changes.
d. You need to apply an aggregation that takes too long when using a live connection. -
....ANSWER ...-B.
TDS files save the data source metadata, such as the connection information, default
field formatting, and sort order. They do not save the data source itself, and hence you
....FOR STUDY PURPOSES...©️2025 ALL RIGHTS RESERVED... 1
,should use this format if everyone who will use the data source has access to the
underlying file or database defined in the connection information.
When creating a union between tables, what will happen if the field names do not
match?
a. Tableau will return an error message, explaining that you must modify the tables so
that all tables used in the union have the same field names.
b. Tableau will automatically merge the fields, combining fields with similar field names.
c. Fields in the union that do not have matching field names will contain null values.
d. Fields with non-matching field names will be dropped, so that the union will contain
only those fields with matching field names - ....ANSWER ...-C.
If the field names do not match, the fields will be included in the UNION but will
contain null values for the rows from the table that is missing the field.
After setting up two data source connections, how can you create a blend?
a. Add at least one field from the primary data source to your view. Then, in the Data
pane, click the data source that you want to designate as the secondary data source and
click the broken link icon.
....FOR STUDY PURPOSES...©️2025 ALL RIGHTS RESERVED... 2
,b. On the data sources pane, drag tables from both connections onto the canvas. Then
click the venn diagram and select the blending fields.
c. On the data source page, double-click New Blend to set up the blend. Drag a table
from the left pane to the blend dialog box.
d. Select Data, then Edit Relationships, tthen Select the secondary data source in the
Secondary data source pane, select Custom in the relationships list, and then click the
Add button. - ....ANSWER ...-A.
Editing the relationships will not by itself establish a blend.
Which of the following uses a primary and secondary data source?
a. Cross-database joins
b. Unions
c. Aggregation
d. Blending - ....ANSWER ...-D.
Data blending involves a primary and secondary data source.
....FOR STUDY PURPOSES...©️2025 ALL RIGHTS RESERVED... 3
, Union the Stocks 2010-2013 and Stocks 2014 tables, and then create a chart showing
average Open by year and for each Company from 2010 to 2014. In which year was the
average open for Biogen Idec closest to Amazon's average open?
a. 2011
b. 2012
c. 2013
d. 2014 - ....ANSWER ...-d. 2014
Blend the Southern Region table from the South_Superstore file with the Subcategory
Profit Targets table from the Subcategory Profit Targets file. Add subcategory,
AVG(Profit) and Profit Target to the view. For which of the following subcategories was
average profit higher than the target?
a. Appliances
b. Art
c. Binders
d. Bookcases - ....ANSWER ...-a. Appliances
Inner join Southern_Region with Returns using Order ID. This will limit the data to only
those orders which were returned by the customer. Create a chart that shows sales by
year of order date. In which year was the sales value of the returned items the lowest?
....FOR STUDY PURPOSES...©️2025 ALL RIGHTS RESERVED... 4
EXAM 2025 QUESTIONS AND
ANSWERS
Which of the following is the best reason to create a saved data source as a .TDS file?
a. Those who wish to use the data do not have access to the underlying data.
b. You want to save the default field properties such as number formats and sort order.
c. You want to save a snapshot of the data that will not update even when the underlying
data changes.
d. You need to apply an aggregation that takes too long when using a live connection. -
....ANSWER ...-B.
TDS files save the data source metadata, such as the connection information, default
field formatting, and sort order. They do not save the data source itself, and hence you
....FOR STUDY PURPOSES...©️2025 ALL RIGHTS RESERVED... 1
,should use this format if everyone who will use the data source has access to the
underlying file or database defined in the connection information.
When creating a union between tables, what will happen if the field names do not
match?
a. Tableau will return an error message, explaining that you must modify the tables so
that all tables used in the union have the same field names.
b. Tableau will automatically merge the fields, combining fields with similar field names.
c. Fields in the union that do not have matching field names will contain null values.
d. Fields with non-matching field names will be dropped, so that the union will contain
only those fields with matching field names - ....ANSWER ...-C.
If the field names do not match, the fields will be included in the UNION but will
contain null values for the rows from the table that is missing the field.
After setting up two data source connections, how can you create a blend?
a. Add at least one field from the primary data source to your view. Then, in the Data
pane, click the data source that you want to designate as the secondary data source and
click the broken link icon.
....FOR STUDY PURPOSES...©️2025 ALL RIGHTS RESERVED... 2
,b. On the data sources pane, drag tables from both connections onto the canvas. Then
click the venn diagram and select the blending fields.
c. On the data source page, double-click New Blend to set up the blend. Drag a table
from the left pane to the blend dialog box.
d. Select Data, then Edit Relationships, tthen Select the secondary data source in the
Secondary data source pane, select Custom in the relationships list, and then click the
Add button. - ....ANSWER ...-A.
Editing the relationships will not by itself establish a blend.
Which of the following uses a primary and secondary data source?
a. Cross-database joins
b. Unions
c. Aggregation
d. Blending - ....ANSWER ...-D.
Data blending involves a primary and secondary data source.
....FOR STUDY PURPOSES...©️2025 ALL RIGHTS RESERVED... 3
, Union the Stocks 2010-2013 and Stocks 2014 tables, and then create a chart showing
average Open by year and for each Company from 2010 to 2014. In which year was the
average open for Biogen Idec closest to Amazon's average open?
a. 2011
b. 2012
c. 2013
d. 2014 - ....ANSWER ...-d. 2014
Blend the Southern Region table from the South_Superstore file with the Subcategory
Profit Targets table from the Subcategory Profit Targets file. Add subcategory,
AVG(Profit) and Profit Target to the view. For which of the following subcategories was
average profit higher than the target?
a. Appliances
b. Art
c. Binders
d. Bookcases - ....ANSWER ...-a. Appliances
Inner join Southern_Region with Returns using Order ID. This will limit the data to only
those orders which were returned by the customer. Create a chart that shows sales by
year of order date. In which year was the sales value of the returned items the lowest?
....FOR STUDY PURPOSES...©️2025 ALL RIGHTS RESERVED... 4
