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Tableau TDS-C01 (Tableau Desktop Specialist) Certification Exam is a certification exam offered by Tableau, a leading data visualization company. TDS-C01 exam is designed to test an individual's proficiency in using Tableau Desktop to analyze and visualize data. TDS-C01 exam is intended for individuals who are new to Tableau or have a basic understanding of the software.
Tableau TDS-C01 exam consists of 36 multiple-choice questions that must be completed within 120 minutes. TDS-C01 exam covers a wide range of topics, including data connections, data preparation, visualization creation, analysis, and dashboard creation. TDS-C01 exam also tests the candidate's understanding of best practices for designing and developing effective visualizations, as well as their ability to communicate insights clearly and effectively. Passing the Tableau TDS-C01 certification exam demonstrates that the candidate has the skills and knowledge required to use Tableau Desktop to solve complex business problems and communicate insights effectively.
NEW QUESTION # 94
Suppose you have a bar chart. When we group by labels in a view, which of the following happens?
- A. Trick question! It is not possible to group by labels.
- B. A new mark (bar) is created, which consolidates all members of the group.
- C. Nothing changes in the view, but a group is created in the Dimensions shelf.
- D. The colours of the members selected are now the same, and different for the rest of the members.
Answer: B
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:
NEW QUESTION # 95
How can you format an axis as Bold in Tableau?
- A. By choosing the axis and selecting Command/Control + B on your keyboard
- B. By right clicking on the axis, choosing Edit Axis, and then setting its font to bold.
- C. By clicking on Format on the main menu bar, choosing field labels, and setting it to bold.
- D. By right clicking on the axis, choosing format, and then setting its font to bold.
Answer: D
Explanation:
To make an axis bold, simply right click it, select format, and then click on Font to choose Bold:
None of the other options are valid ways to make the axis bold.
Read more about editing axis: https://help.tableau.com/current/pro/desktop/en-us/formatting_editaxes.htm
NEW QUESTION # 96
What is a story point in Tableau?
- A. A collection of both worksheets and dashboards
- B. A single worksheet or dashboard
- C. A collection of dashboards
- D. A collection of worksheets
Answer: B
Explanation:
Explanation
In Tableau, a story is a sequence of visualizations that work together to convey information. You can create stories to tell a data narrative, provide context, demonstrate how decisions relate to outcomes, or to simply make a compelling case.
A story is a sheet, so the methods you use to create, name, and manage worksheets and dashboards also apply to stories (for more details, see Workbooks and Sheets). At the same time, a story is also a collection of sheets, arranged in a sequence. Each individual sheet (worksheet or dashboard) in a story is called a story point.
When you share a story -for example, by publishing a workbook to Tableau Public, Tableau Server, or Tableau Online-users can interact with the story to reveal new findings or ask new questions of the data.
NEW QUESTION # 97
When creating a histogram in Tableau, to what does bin size refer?
- A. The minimum number of axis ticks in the view.
- B. The maximum number of marks in the view.
- C. The count distinct (COUNTD) of items on either axis.
- D. The range of the continuous measure counted in each bin.
Answer: D
Explanation:
When creating a histogram in Tableau, bin size refers to the range of the continuous measure counted in each bin. A histogram is a chart that displays the shape of a distribution of a continuous measure. A histogram looks like a bar chart but groups values for a continuous measure into ranges, or bins. The basic building blocks for a histogram are as follows: Mark type: Automatic; Rows shelf: Continuous measure (aggregated by Count or Count Distinct); Columns shelf: Bin (continuous or discrete)4 To create bins from a continuous measure, you need to specify the size of bins, which determines how many bins are created and how wide they are. The size of bins is equal to the difference between consecutive values along the axis that represents the bins. For example, if you have bins with values 0-10, 10-20, 20-30, etc., then the size of bins is 10. You can either enter a value for the size of bins manually or have Tableau suggest an optimal bin size based on a formula that considers the number of distinct rows and the minimum and maximum values in the data5 The other options are not valid definitions of bin size when creating a histogram in Tableau. The minimum number of axis ticks in the view is determined by Tableau's automatic scaling and formatting of axes, which can be adjusted manually if needed. The count distinct (COUNTD) of items on either axis is an aggregation function that returns the number of unique values in a field, which can be used as a measure in a histogram but not as bin size. The maximum number of marks in the view is limited by the performance and readability of the visualization, which can be improved by filtering, sorting, or aggregating the data4
NEW QUESTION # 98
Which three elements are included in a packaged workbook (.twbx)? Choose three.
- A. Background images
- B. Extract files
- C. A PDF copy of the workbook
- D. Custom shapes
- E. Tableau Datasource Customization (TDC) files
Answer: A,B,D
Explanation:
According to the Tableau Desktop Specialist Exam Guide, a packaged workbook (.twbx) includes background images, extract files, and custom shapes. A PDF copy of the workbook and Tableau Datasource Customization (TDC) files are not included in a packaged workbook.
NEW QUESTION # 99
_____________ charts are typically used to represent accumulated totals over time and are the conventional way to display stacked lines.
- A. Bullet
- B. Gantt
- C. Area
- D. Line
Answer: C
Explanation:
According to the official Tableau documentation:
An example of an area chart is shown below:
NEW QUESTION # 100
Which of the following are true about Dashboards in Tableau?
- A. A bar chart can be used a floating item
- B. None of these
- C. Tiled items don't overlap
- D. Floating items can be layered over other objects
Answer: A,C,D
Explanation:
From the official Tableau documentation:
As we can see below, Bar charts can be used as a floating object.
NEW QUESTION # 101
__________ is a technique in Tableau which will identify marks with similar characteristics
- A. Union
- B. Clustering
- C. Grouping
- D. Sets
Answer: B
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.
NEW QUESTION # 102
What do the colours Blue and Green represent in Tableau?
- A. Dimensions and Measures
- B. Discrete and Continuous
- C. Continuous and Discrete
- D. Measures and Dimensions
Answer: B
Explanation:
Important question! If you selected Dimension and Measure, don't worry! It is a very common mistake. But we're here to learn aren't we?
When you connect to a new data source, Tableau assigns each field in the data source as dimension or measure in the Data pane, depending on the type of data the field contains. You use these fields to build views of your data.
NEW QUESTION # 103
Which of these is NOT a type of Quick Filter available in Tableau?
- A. Regex Match
- B. Multiple Values (dropdown)
- C. Wildcard Match
- D. Single Value (slider)
Answer: A
Explanation:
Upon clicking on a filter, we see the following options:
Clearly, Regex Match is not one of these options!
NEW QUESTION # 104
Which of the following are valid ways of Grouping Data?
- A. Using Marks in the view
- B. From the Analytics Pane
- C. Using Labels in the View
- D. From the Dimensions Shelf
Answer: A,C,D
Explanation:
Explanation
**IMPORTANT QUESTION AND EXPLANATION, PLEASE READ**
3 ways to group data -
1) Marks
2) Labels
3) Dimensions shelf.
*IMPORTANT*
If we Group the data by selecting the marks, then they remain separate marks in the view and then have the same colour. Also, a new group is created in the Dimensions shelf. Example - Using the sample superstore dataset, first plot a bar chart showing sales for each sub-category:
Here, if we Select Phones, Chairs and Storage by selecting the MARKS (Bars), and then group them:
They remain seperate marks (BARS) but are grouped by the same colour.
Now, if we didn't do this, and rather grouped by selecting their Labels (Names):
Then they no longer remain separate Marks (bars) but are rather consolidated into a single Bar:
Finally, we can group directly from the Dimensions shelf as follows:
Now choose Phones, Chairs and Storage and Click Group:
You will now automatically have a new Dimension as follows:
NEW QUESTION # 105
Which of the following would you use to edit the Shape, colour, and Text of your visualisations?
- A. Data Pane
- B. Marks Card
- C. Filter Shelf
- D. Analytics Pane
Answer: B
Explanation:
The Marks Card allows us not only to edit the Shape, Text and Colour, but also to modify the Tooltip and the level of detail of the visualisation!
The Marks card is a key element for visual analysis in Tableau. As you drag fields to different properties in the Marks card, you add context and detail to the marks in the view.
You use the Marks card to set the mark type (see Change the Type of Mark in the View), and to encode your data with color, size, shape, text, and detail. To change the mark settings, see Control the Appearance of Marks in the View.
In this example, three different fields have been dragged to different properties in the Marks card. Segment is on Color, Region is on Shape, and Quantity is on Size.
After you add a field to the Marks card, you can click the icon next to the field to change the property it is using. You can also click the property buttons in the Marks card to change those settings.
Many properties can have multiple fields. For example, you can add multiple fields to Label, Detail, Tooltip, and Color. Size and Shape can only have one field at a time. For more details, see Control the Appearance of Marks in the View.
NEW QUESTION # 106
Using the Time Series Table, create a Line chart showing the Monthly Year over Year Growth for the Sales, broken down by Assortment. For the Electronics assortment, which Month had the most NEGATIVE value of Year over Year Growth?
Using the Time Series Table, create a Line chart showing the Monthly Year over Year Growth for the Sales, broken down by Assortment. For the Electronics assortment, which Month had the most NEGATIVE value of Year over Year Growth?
- A. June
- B. July
- C. September
- D. October
Answer: D
Explanation:
Follow along:
1) Drag Assortment and Year ID (choose Discrete Month) to Columns shelf, and Sales to the Columns Shelf.
For sales, click on the pill -> choose Quick Table calculation -> Year over Year growth.
The view should now look like:
It is clear that October with -55.3% had the lowest Year on Year growth.
NEW QUESTION # 107
Which of the following are correct ways to define a join in Tableau version 2020.3 and above?
- A. Right-click a logical table and click on open to go to the Join/Union canvas in the physical layer and add joins or unions.
- B. Double-click a physical table to go to the Join/Union canvas in the logical layer and add joins or unions.
- C. Right-click a physical table and click on open to go to the Join/Union canvas in the logical layer and add joins or unions.
- D. Double-click a logical table to go to the Join/Union canvas in the physical layer and add joins or unions.
Answer: A,D
Explanation:
Remember that joins are defined in the physical layer and relationships in the logical layer.
You can still specify joins between tables in the physical layer of a data source. Double-click a logical table to go to the Join/Union canvas in the physical layer and add joins or unions.
Every top-level, logical table contains at least one physical table. Open a logical table to view, edit, or create joins between its physical tables. Right-click a logical table, and then click Open. Or, just double-click the table to open it.
When you create a data source, it has two layers. The top-level layer is the logical layer of the data source.
You combine data between tables in the logical layer using relationships.
The next layer is the physical layer of the data source. You combine data between tables at the physical layer using joins. For more information, see Logical and physical tables in the data model
NEW QUESTION # 108
Which of the following are valid use-cases for the 'Manage Metadata' functionality?
- A. To see the field name in the original data source
- B. To see the table a field belongs to
- C. To clean and automatically fix the data issues in our data source
- D. To view all hidden fields
Answer: A,B,D
Explanation:
To clean and automatically fix the data issues in our data source - This is the definition of Data Interpreter.
To rename the field in the original data source - We never modify the original data source when managing metadata. All changes are local to Tableau for our convenience only.
All other options can be modified using the Manage Metadata property.
NEW QUESTION # 109
Question 30: Skipped
Using the CoffeeChain table, create a scatter plot of Profit (x-axis) vs Sales (y-axis) broken down by State. Add a Linear trend line to the view. What is its R-squared value?
- A. 0.748472
- B. 0.783262
- C. 0.759329
- D. 0.739284
Answer: B
Explanation:
Trend lines have become popular questions in recent Tableau examinations. Follow along:
1) First drag Sales to the Rows shelf and Profit to the Columns shelf:
You will only see a single mark since the view is aggregated.
2) Now, break down this view by state. Drag State into Detail on the Marks shelf ( or directly to the view):
3) Finally, move to the Analytics pane, and drag Trend line to the view. When you drag it, select the Linear option!:
4) The following is our view. Hover over the trend line to see the R-squared value:
NEW QUESTION # 110
By definition, Tableau displays measures over time as a ____________
- A. Packed Bubble
- B. Stacked Bar
- C. Line
- D. Bar
Answer: C
Explanation:
Line charts connect individual data points in a view. They provide a simple way to visualize a sequence of values and are useful when you want to see trends over time, or to forecast future values.
Please refer to the images below:
NEW QUESTION # 111
If you use a percent difference Quick Table Calculation, what value will be the first data value?
- A. null
- B. 0
- C. 1
- D. 0000
Answer: A
Explanation:
When using a Percent difference, Tableau calculates what the percent change has occured as compared to the last data value. BUT, for the first data value, there is no previous value to compare it to. Hence, it appears as NULL.
NEW QUESTION # 112
Which of the following is the correct way to calculate Profit Ratio in Tableau?
- A. SUM(Profit) / SUM(Sales)
- B. Profit / Sales
- C. SUM(Sales)/SUM(Profit)
- D. Sales / Profit
Answer: A
Explanation:
THIS IS A VERY IMPORTANT QUESTION
Aggregation is an important concept to consider when creating calculated fields. A calculated field for SUM([Profit]) / SUM([Sales]) will give you a very different answer than [Profit] / [Sales], even though both formulas are valid.
If you do not provide the aggregation within the calculated field, Tableau will calculate the equation for every record ( row ) in your analysis, then aggregate the answers for all of the rows together when the calculated field is added to the view.
In simple terms, if specify the aggregation such as SUM, what Tableau will do is that it will first calculate the sum of the Profit column ( say x ), then calculate the sum of the Sales column ( say y ), and then simply apply x/y ---> This is what we expect! Perfect!
BUT, if you don't specify the aggregation, it will go to every single ROW, perform Profit / Sales, and then aggregate the answers calculated for each row. This is simply NOT what we wan't!
An example:
NEW QUESTION # 113
You have cleaned a data source properly, created some calculated fields and renamed some columns. You want to save these changes for future use cases. Which of the following would BEST satisfy this requirement?
- A. Save it as a .twm file
- B. Save it as a .twb file
- C. Save it as a .twbx file
- D. Save it as a .tds file
Answer: D
Explanation:
Explanation
After making changes to Data, we can save that new data source as a .tds file. To do so, go to data menu on top and then choose your current connected data source. Then next click on Add to Saved Data sources. This will save all calculated fields, changes to fields etc. It will be saved in My Tableau Repository -> Mydatasources. This will then also appear on Tableau Home Page under saved data sources like SampleSuperStore.
Note: Data source files do not contain the actual data but rather the information necessary to connect to the actual data as well as any modifications you've made on top of the actual data such as changing default properties, creating calculated fields, adding groups, and so on.
twb and .twbx are not the BEST solutions since the questions nowhere mentions that we need to store our workbooks as well.
twm is a bookmark which contains a single worksheet and are an easy way to quickly share your work.
NEW QUESTION # 114
The calculation [Ship Date] - [Order Date] will return _______________
- A. Number of orders shipped between these dates
- B. Number of unique orders placed between these dates
- C. Number of days between these dates
- D. Number of orders placed in that duration
Answer: C
Explanation:
As the names suggest, if we subtract the order date from the shipping date, we simply get the number of days between these 2 dates.
We can these use this calculated field in our charts, and can use COUNT, SUM, AVG etc with them according to our need.
NEW QUESTION # 115
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The benefits of passing the Tableau TDS-C01 exam are numerous. Individuals who pass the exam can add the Tableau Desktop Specialist certification to their resume, which can help them stand out in the job market. Additionally, the certification can demonstrate to employers that an individual has the knowledge and skills to use Tableau Desktop effectively, making them a valuable asset to any organization.
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