Tableau Desktop Specialist Exam UPDATED
ACTUAL Questions and CORRECT
Answers
Live vs. extracts data connection - CORRECT ANSWER - LIVE
- changes will be shown automatically
- creates slower performance for huge data
- Server availability could be a problem
- Best to use when numbers HAVE to be correct
EXTRACT
- creates a static snapshot of your data
- better performance and portability
- save and refresh the snapshot
- best to use when numbers aren't as important
How to save metadata properties in a .TDS - CORRECT ANSWER - 1. go to the sheet
2. right click on the data source
3. select 'Add to Saved Data Sources'
4. make sure the end of the file ends in .TDS
When is it best to use a blend? - CORRECT ANSWER - 1. Cross-database join is not
supported
2. Tables are at different LOD
3. Joins create duplicate data or data cleaning is required
4. If you have a lot of data and the join is time consuming
,How do you rename a data field? - CORRECT ANSWER - Right click on the data field
and select 'rename'
How to assign an alias to a data value? - CORRECT ANSWER - Right click a dimension
and select 'Aliases". In the edit aliases dialog box, under value, select a member and enter a new
name
How to assign a geographic role to a data field? - CORRECT ANSWER - click the data
type icon next to the field and select 'geographic role'.
then select the geographic role you want to assign to that field
Change data type for a data field (number, date, string, boolean, etc) - CORRECT
ANSWER - A. On the data source page, click on the icon associated with the field and
select the new data type
B. In the data pane, if you right click on the field and scroll down to 'change data type'
Change default properties for a data field (number format, aggregation, color, date, format, etc) -
CORRECT ANSWER - In the data pane, right click on the field, scroll down to 'default
properties' and change the desired value
How to create a visual group? - CORRECT ANSWER - Control click all of the fields you
want created in the group.
Right click on these values and select the group button
How to create a group using labels? - CORRECT ANSWER - Right click on the field you
would like to be grouped, click on 'create' and then 'group'. Be sure to select 'include other'
How to create a set? - CORRECT ANSWER - for a static set, select all fields you want
included in the set from the view, right click and select 'create set'
for a dynamic set, right click on the field you want to create a set for, scroll down to 'create' and
select 'set'
, How to add a context filter? - CORRECT ANSWER - They are executed before normal
filters.
Right click on the field you want to be a context filter and click 'add to context'
(ex: find top 5 for each sub-category)
How to add a reference line or a trend line? - CORRECT ANSWER - You can only add a
reference line to continuous fields. A. Go to the Analytics pane and drag the reference line to the
visualization
B. Right click the axis and select 'add reference line'
What is a table calculation and how do you create them? - CORRECT ANSWER -
calculations that we made on the output table. It is represented by a triangle in the pill.
If you right click on the field, and go to "quick table calculation", you can add a table calculation
to the view
How do you edit the bin size of a histogram? - CORRECT ANSWER - a bin is the bucket
size of each histogram bar. Right click the field you want to create a bin for, go to create and
select 'bin'
You can either input a number or you can create a parameter to edit the bin size.
How do you create a calculated field (ex. string, date, simple arithmetic)? - CORRECT
ANSWER - this is a new field from our existing data.
Right click the blank area in the data pane and select "create calculated field". You can then
select functions to help you create your calculated field
ACTUAL Questions and CORRECT
Answers
Live vs. extracts data connection - CORRECT ANSWER - LIVE
- changes will be shown automatically
- creates slower performance for huge data
- Server availability could be a problem
- Best to use when numbers HAVE to be correct
EXTRACT
- creates a static snapshot of your data
- better performance and portability
- save and refresh the snapshot
- best to use when numbers aren't as important
How to save metadata properties in a .TDS - CORRECT ANSWER - 1. go to the sheet
2. right click on the data source
3. select 'Add to Saved Data Sources'
4. make sure the end of the file ends in .TDS
When is it best to use a blend? - CORRECT ANSWER - 1. Cross-database join is not
supported
2. Tables are at different LOD
3. Joins create duplicate data or data cleaning is required
4. If you have a lot of data and the join is time consuming
,How do you rename a data field? - CORRECT ANSWER - Right click on the data field
and select 'rename'
How to assign an alias to a data value? - CORRECT ANSWER - Right click a dimension
and select 'Aliases". In the edit aliases dialog box, under value, select a member and enter a new
name
How to assign a geographic role to a data field? - CORRECT ANSWER - click the data
type icon next to the field and select 'geographic role'.
then select the geographic role you want to assign to that field
Change data type for a data field (number, date, string, boolean, etc) - CORRECT
ANSWER - A. On the data source page, click on the icon associated with the field and
select the new data type
B. In the data pane, if you right click on the field and scroll down to 'change data type'
Change default properties for a data field (number format, aggregation, color, date, format, etc) -
CORRECT ANSWER - In the data pane, right click on the field, scroll down to 'default
properties' and change the desired value
How to create a visual group? - CORRECT ANSWER - Control click all of the fields you
want created in the group.
Right click on these values and select the group button
How to create a group using labels? - CORRECT ANSWER - Right click on the field you
would like to be grouped, click on 'create' and then 'group'. Be sure to select 'include other'
How to create a set? - CORRECT ANSWER - for a static set, select all fields you want
included in the set from the view, right click and select 'create set'
for a dynamic set, right click on the field you want to create a set for, scroll down to 'create' and
select 'set'
, How to add a context filter? - CORRECT ANSWER - They are executed before normal
filters.
Right click on the field you want to be a context filter and click 'add to context'
(ex: find top 5 for each sub-category)
How to add a reference line or a trend line? - CORRECT ANSWER - You can only add a
reference line to continuous fields. A. Go to the Analytics pane and drag the reference line to the
visualization
B. Right click the axis and select 'add reference line'
What is a table calculation and how do you create them? - CORRECT ANSWER -
calculations that we made on the output table. It is represented by a triangle in the pill.
If you right click on the field, and go to "quick table calculation", you can add a table calculation
to the view
How do you edit the bin size of a histogram? - CORRECT ANSWER - a bin is the bucket
size of each histogram bar. Right click the field you want to create a bin for, go to create and
select 'bin'
You can either input a number or you can create a parameter to edit the bin size.
How do you create a calculated field (ex. string, date, simple arithmetic)? - CORRECT
ANSWER - this is a new field from our existing data.
Right click the blank area in the data pane and select "create calculated field". You can then
select functions to help you create your calculated field
