Tableau TDS-C01 Tableau Desktop Specialist Online Training
Tableau TDS-C01 Online Training
The questions for TDS-C01 were last updated at Nov 23,2024.
- Exam Code: TDS-C01
- Exam Name: Tableau Desktop Specialist
- Certification Provider: Tableau
- Latest update: Nov 23,2024
Suppose you have a bar chart. When we group by labels in a view, which of the following happens?
- A . Nothing changes in the view, but a group is created in the Dimensions shelf.
- B . The colours of the members selected are now the same, and different for the rest of the members.
- C . Trick question! It is not possible to group by labels.
- D . A new mark (bar) is created, which consolidates all members of the group.
D
Explanation:
*Very important question*
If we select the labels in the view and then group, a new consolidated mark is created – in our case bar since we are talking about a bar chart in the question. See below:
Then on grouping, a new bar is created, and the colour of all bars remain the same.
Had we grouped by choosing the marks instead of the labels, the following would be the result:
Reference: https://help.tableau.com/current/pro/desktop/en-us/sortgroup_groups_creating.htm
Which of the following are true about dimensions?
- A . They contain contain numeric, quantitative values
- B . They contain qualitative values (such as names, dates, or geographical data)
- C . They affect the level of detail in the view
- D . Dates are mostly placed in dimensions by default for relational data sources
B,C,D
Explanation:
Measures contain numeric quantitative values hence that option is incorrect.
Reference 1: https://help.tableau.com/current/pro/desktop/en-us/datafields_typesandroles.htm
Reference 2: https://help.tableau.com/current/pro/desktop/en-us/dates.htm
__________ is a technique in Tableau which will identify marks with similar characteristics
- A . Clustering
- B . Grouping
- C . Sets
- D . Union
A
Explanation:
Cluster analysis partitions marks in the view into clusters, where the marks within each cluster are more similar to one another than they are to marks in other clusters.
Reference: https://help.tableau.com/current/pro/desktop/en-us/clustering.htm
Which of these is NOT a type of Quick Filter available in Tableau?
- A . Wildcard Match
- B . Multiple Values (dropdown)
- C . Regex Match
- D . Single Value (slider)
C
Explanation:
Upon clicking on a filter, we see the following options:
Clearly, Regex Match is not one of these options!
For which of the following charts, does the Size option on the Marks card not work?
- A . Gantt Chart
- B . Bar Chart
- C . Tree Map
- D . Pie Chart
C
Explanation:
You can adjust the size for all charts except the Tree Map. You use dimensions to define the structure of the treemap, and measures to define the size or color of the individual rectangles. Treemaps are a relatively simple data visualization that can provide insight in a visually attractive format.
In a Tree Map, the measure itself defines the size and colour! The greater the sum of Measure for each category, the darker and larger its box.
Reference: https://help.tableau.com/current/pro/desktop/en-us/buildexamples_treemap.htm
Which of the following are valid reasons to use a Tableau Data Extract (.tde) over Live Connections?
- A . To support additional functionality such as count distinct
- B . Fast to create
- C . Help improve performance
- D . To have access to the freshest possible data at all times
A,B,C
Explanation:
From the official documentation, the following are the major advantages of using Tableau Data Extracts:
From Tableau 2020.2 onwards, .hyper is the recommended way since it is faster than .tde!
Reference: https://help.tableau.com/current/pro/desktop/en-us/extracting_data.htm
A ________________ is a single zip file that contains a workbook along with any
supporting local file data and background images. This format is the best way to package your work for sharing with others who don’t have access to the original data.
- A . .twbx file
- B . .tbm file
- C . .twb file
- D . .tde file
A
Explanation:
According to the official Tableau documentation:
Tableau packaged workbooks have the .twbx file extension. A packaged workbook is a single zip file that contains a workbook along with any supporting local file data and background images. This format is the best way to package your work for sharing with others who don’t have access to the original data. For more information, see Packaged Workbooks.
Reference: https://help.tableau.com/current/pro/desktop/en-us/environ_filesandfolders.htm
What does the following icon do in Tableau?
Larger image
- A . Create a Story
- B . Create a Story and Dashboard both
- C . Create a Worksheet
- D . Create a Dashboard
D
Explanation:
The icon shown is used to add a new Dashboard! From the official documentation:
Reference: https://help.tableau.com/current/pro/desktop/en-us/inspectdata_viewdata.htm
_____________ contains the visualisations, info needed to build the visualisations, and a
copy of the data source.
- A . Tableau Data Extract (.tde)
- B . Tableau Packaged Workbook (.twbx)
- C . Tableau Bookmark (.tbm)
- D . Tableau Workbook (.twb)
B
Explanation:
TWBX is all in one. It contains viz, info needed to build the viz, and a copy of the data source. It doesn’t contain extracts of the data but can contain both live and data extracts.
Best if want to eliminate the barrier of data access.
Create a .twbx with file-based data sources
1) Select File > Save As.
2) Specify a file name for the packaged workbook in the Save As dialog box.
3)Select Tableau Packaged Workbooks on the Save as type drop-down list.
4) Click Save.
5) The default location is the Workbooks folder of the Tableau repository. However, you can save packaged workbooks to any directory you choose.
The following files are included in packaged workbooks: –> Background images
–> Custom geocoding –> Custom shapes –> Local cube files
–> Microsoft Access files
–> Microsoft Excel files
–> Tableau extract files (.hyper or .tde)
–> Text files (.csv, .txt, etc.)
Reference: https://help.tableau.com/current/pro/desktop/en-us/environ_filesandfolders.htm
Which of the following is NOT a valid official data source in Tableau Desktop?
- A . PostgreSQL
- B . SAP HANA
- C . Google Firebase
- D . Amazon Redshift
C
Explanation:
Presently, there is no official way to connect your data in Firebase directly with Tableau Desktop.
A workaround however can be to export your Firebase data into Google BigQuery, and then connect it to Tableau Desktop.
But then again, it is a workaround and not an official out-of-the-box solution.
The following are the available Data sources available as of now:
1) Server
2) File
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