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Desktop-Specialist認證考試的題目與答案

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最新的 Tableau Desktop Specialist Desktop-Specialist 免費考試真題 (Q42-Q47):

問題 #42
______________ is a method for appending values (rows) to tables. You can use this method if both tables have the same columns. The result is a virtual table that has the same columns but extends vertically by adding rows of data.

  • A. Joining
  • B. Combining
  • C. Blending
  • D. Unioning

答案:D 解題說明:
Explanation
Unioning is the correct answer!
From the official documentation:

For example, suppose you have the following customer purchase information stored in three tables, separated by month. The table names are "May2016" , "June2016" and "July2016."

問題 #43
________________ can only create header. _______________ will create header and axis both.

  • A. Dimensions, Measures
  • B. Dates, Strings
  • C. Measures, Dimensions
  • D. Groups, Sets

答案:A 解題說明:
Explanation
Using the Sample superstore as a reference:
1) Let's plot a bar chart showing SUM(Quantity) for each Segment:
2) Right click on the x-axis (Segment):
Notice we don't have an option to edit the axis, only header. This is because only continous values form the AXIS.
3) Similarly, right click on the y-axis (Quantity):

Now we have the option to edit BOTH the axis and the header.
問題 #44
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. 0.759329
  • B. 0.783262
  • C. 0.739284
  • D. 0.748472

答案:B 解題說明:
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:

c
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:

問題 #45
Which of the following charts types always includes bars sorted in descending order?

  • A. Gantt Chart
  • B. Stacked Bar Chart
  • C. Pareto Chart
  • D. Pie Chart

答案:C 解題說明:
Explanation
A Pareto chart is a type of chart that contains both bars and a line graph, where individual values are represented in descending order by bars, and the ascending cumulative total is represented by the line.
On the primary axis, bars are used to show the raw quantities for each dimension member, sorted in descending order.
On the secondary axis, a line graph is used to show the cumulative total in percent format.

問題 #46
Download the Dataset from:
https://drive.google.com/file/d/12AYHfiPWkwBmvH0zbumOURgUX6Az00Rw/view?usp=sharing Using the Time Series Table, create a line chart to show Sales over time. Which Month and Year witnessed the lowest Sales?

  • A. January 2018
  • B. March 2018
  • C. December 2017
  • D. September 2017

答案:A 解題說明:
Explanation
Follow the steps to get the correct answer : January 2018

* We are talking about dates, so use the Time series sheet as follows:
* Next, the following should be your view and clearly, January 2018 is the lowest point:

Read more about dates:
https://interworks.com/blog/rcurtis/2017/01/30/tableau-deep-dive-dates-introduction-dates/
問題 #47
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