Tableau Desktop Specialist Certification
Exam Questions and CORRECT 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. -
✔✔✔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 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 - ✔✔✔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.
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. - ✔✔✔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 - ✔✔✔D.
Data blending involves a primary and secondary data source.
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 - ✔✔✔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 - ✔✔✔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?
a. 2013
b. 2014
c. 2015
d. 2016 - ✔✔✔a. 2013
Open the Flights data and assign the geographic role for Airport Code as airport. Add the
airport code to the view and drag the Airport Name to the Label mark. Which airport shown
on the map is closest to HartsfieldJackson Atlanta (ATL)?
a. Chattanooga Metropolitan Airport (CHA)
b. Charlotte Douglas International (CTL)
c. Orlando International (MCO)
, d. George Bush Intercontinental (IAH) - ✔✔✔b. Charlotte Douglas International (CTL)
In the Southern Region Superstore data, the Product Category, Product Subcategory, and
Product Name might be combined using which of the following:
a. Set
b. Group
c. Hierarchy
d. Parameter - ✔✔✔C - Hierarchy. Hierarchies allow you combine similar fields while
Groups and Sets combine values within a field. Parameters allow the user to change a value,
which can then be used in calculations, filters, and reference lines
Which chart type will best visualize the relationship between two continuous measures?
a. Bar chart
b. Scatter Plot
c. Line Chart
d. Stacked Bar - ✔✔✔B - Scatter Plot. Scatter plots to visualize relationships between
numerical variables. Bar charts to compare data across categories. Line charts compare
numeric data over time. Stacked bar charts compare numeric data over two dimensions.
Which of the following is a table calculation?
a. SUM
b. TOTAL
c. AVG
d. STDEV - ✔✔✔B - Of these, only TOTAL is a table calculation
You would like a view that displays a filter allowing you to select the state, and use a Set to
display the top 5 products with the greatest total sales within the selected state. What type of
filter should you use to filter on the state?
Exam Questions and CORRECT 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. -
✔✔✔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 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 - ✔✔✔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.
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. - ✔✔✔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 - ✔✔✔D.
Data blending involves a primary and secondary data source.
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 - ✔✔✔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 - ✔✔✔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?
a. 2013
b. 2014
c. 2015
d. 2016 - ✔✔✔a. 2013
Open the Flights data and assign the geographic role for Airport Code as airport. Add the
airport code to the view and drag the Airport Name to the Label mark. Which airport shown
on the map is closest to HartsfieldJackson Atlanta (ATL)?
a. Chattanooga Metropolitan Airport (CHA)
b. Charlotte Douglas International (CTL)
c. Orlando International (MCO)
, d. George Bush Intercontinental (IAH) - ✔✔✔b. Charlotte Douglas International (CTL)
In the Southern Region Superstore data, the Product Category, Product Subcategory, and
Product Name might be combined using which of the following:
a. Set
b. Group
c. Hierarchy
d. Parameter - ✔✔✔C - Hierarchy. Hierarchies allow you combine similar fields while
Groups and Sets combine values within a field. Parameters allow the user to change a value,
which can then be used in calculations, filters, and reference lines
Which chart type will best visualize the relationship between two continuous measures?
a. Bar chart
b. Scatter Plot
c. Line Chart
d. Stacked Bar - ✔✔✔B - Scatter Plot. Scatter plots to visualize relationships between
numerical variables. Bar charts to compare data across categories. Line charts compare
numeric data over time. Stacked bar charts compare numeric data over two dimensions.
Which of the following is a table calculation?
a. SUM
b. TOTAL
c. AVG
d. STDEV - ✔✔✔B - Of these, only TOTAL is a table calculation
You would like a view that displays a filter allowing you to select the state, and use a Set to
display the top 5 products with the greatest total sales within the selected state. What type of
filter should you use to filter on the state?
