Desktop Specialist Exam Guide
DesktopSpecialist_ExamGuide
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Desktop Specialist Exam Guide Exam Details This document provides information on the structure of the exam, along with the knowledge and skills being measured. It will also guide you to resources to help you prepare for success. This document is not intended to build product knowledge. Awarded Credentials Upon successful completion of this exam, you will be awarded the title of Tableau Desktop Specialist. This title does not expire. Target Audience This exam is for those who have foundational skills and understanding of Tableau Desktop and at least three months of applying this understanding in the product. Prerequisites There are no prerequisites for this exam. System Preparation For a successful exam experience, ensure your computer, network, and the physical environment are properly configured. This includes running a system tech-check before the exam. Review our Required: Exam Setup document for complete details. Learning Resources The best preparation is experience and time with the product. To be successful, we strongly encourage you to complete the Desktop I: Fundamentals course. We also recommend exploring these additional resources: • Tableau Starter Kits • Free How-To Training Videos • Tableau Product Support • Tableau Product Help • Visual Analysis Best Practices Guidebook Exam Format Time Limit: 60 minutes Question Format: Multiple choice, multiple response, hands-on Number of Questions: 30 Scoring: Automatically scored; point value varies per question type with hands-on worth more Passing Score: 70% Language(s) Offered: English Delivery Platform: Windows Virtual Machine containing Tableau Desktop For questions, email certification@tableau.com or visit tableau.com/certification. Desktop Specialist Exam Guide October 2018 Skills Measured Connecting to & Preparing Data • Create and save data connections • Create a live connection to a data source • Explain the differences between using live • connections versus extracts • • • Create an extract • Save metadata properties in a . TDS Modify data connections • Add a join • Add a blend • Add a union Add a filter to the view • Add a context filter • Add a date filter Apply analytics to a worksheet • Add a manual or a computed sort • Add a reference line or trend line • Use a table calculation • Use bins and histograms • Create a calculated field (e.g. string, date, simple arithmetic) • Add a parameter Sharing Insights Manage data properties • Rename a data field • Assign an alias to a data value • Assign a geographic role to a data field • Change data type for a data field (number, • date, string, boolean, etc.) • • Change default properties for a data field (number format, aggregation, color, date format, etc.) • Format view for presentation • Use color • Use bolding • Use shapes • Change size of marks • Select fonts Create and modify a dashboard • Create a dashboard layout Exploring & Analyzing Data • Add interactive or explanatory elements • Create basic charts • Add dashboard actions • Create a bar chart • Modify existing dashboard layout for mobile • Create a line chart devices Desktop Specialist Exam Guide • Create a story using dashboards or views • Create a scatterplot • Create a map using geographic data • Share a twbx as a PDF • Create a combined axis chart • Share a twbx as an image • Create a dual axis chart • Create a stacked bar • Create a chart to show specific values (crosstab, highlight table) • Organize data and apply filters • Create a visual group • Create a group using labels • Create a set • Organize dimensions into a hierarchy Desktop Specialist Exam Guide Continued on next page. October 2018 Skills Measured Understanding Tableau Concepts • Dimensions and measures • Explain what kind of information dimensions usually contain • Explain what kind of information measures usually contain • Discrete and continuous fields • Explain how discrete fields are displayed in Tableau • Explain how continous fields are displayed in Tableau • parts and continous date values in Tableau • Aggregation • Explain why Tableau aggregates measures • Describe how an aggregated measure changes when dimensions are added to the view Timeliness Completing a task effectively and efficiently has become a standard that organizations expect from employees. This exam is timed because we view time as a critical competency needed to be successful. Explain the difference between discrete date Desktop Specialist Exam Guide October 2018 Sample Questions The questions below are examples intended to give you a sense of how questions will look on the exam. It is not a learning resource for the Desktop product, nor does it provide the experience needed to successfully pass the exam. You are encouraged to work through your own solutions first before looking at the solutions provided. 1. Which of the following is the best reason to use an extract instead of a live connection? a. Your data source only supports a live connection via ODBC. b. You need the freshest possible data at all times. c. You need to apply an aggregation that takes too long when using a live connection. d. You need to join tables that are in the data source. 2. You created a group by selecting field labels in a view. How can you remove members from the group? a. In the view, right-click the group members you want to remove and select Exclude. b. In the Data pane, right-click the group and select Edit Group. c. In the view, right-click the group members you want to remove and select Format. d. On a color legend, right-click a member you want to remove and select Format legends. 3. Which of the following can you use to create a calculated field that returns data independent of the data granularity in a view? a. An INCLUDE LOD calculation b. A table calculation c. A basic calculation d. A FIXED LOD calculation 4. Interactive elements that you can add to a dashboard for users include ______. (Select all that apply.) a. URL actions b. edit tooltip options c. filter actions d. hide and unhide all sheet options 5. A field that shows average home values for the United States in 2016 is most likely: a. A discrete date part dimension b. A continuous date value dimension c. A geographical dimension d. An aggregated measure Desktop Specialist Exam Guide October 2018 The following questions use the tables in the tds_sample_data_all.xlsx file, which can be downloaded here. If you are unable to download the file, try accessing it from another internet browser. 6. Using the Stocks 2010-2013 table, create a chart to see the monthly change in volumes of stocks, beginning of 2010 to the end of 2013. Which two consecutive months saw the least fluctuation in increase or decrease? a. December 2011 - January 2012 b. March 2012 - April 2012 c. November 2012 - December 2012 d. January 2012 - February 2012 7. Using the Stocks 2010-2013 table, create a crosstab showing the sum of Volume per Company per Year, then add grand totals to the view. What was the total volume for Apple in 2013 and the total volume for Apple for 2010 through 2013, respectively? a. 25,606,397,999 and 127,322,019,216 b. 25,606,397,999 and 26,695,067,569 c. 26,695,067,569 and 134,264,642,523 d. 365,212,953 and 134,264,642,523 8. Using the Stocks 2010-2013 table, create a chart that shows the percent difference in Volume for each company by year and quarter. How many quarters did Biogen Idec show a positive percent difference in volume? a. 1 b. 2 c. 5 d. 6 9. Union the Stocks 2010-2013 and Stocks 2014 tables, and then create a chart showing the average Close price by year and quarter for each Company from 2010 to 2014. How many quarters was Amazon’s average closing price over $300? a. 0 b. 4 c. 5 d. 6 10. Using the Flights table, create a bar chart showing the average of Minutes of Delay per Flight broken down by Carrier Name, and filtered by State to only show Minnesota (MN). What was the average minutes of delay per flight for United in Minnesota? a. 2,582 b. 61.74 c. 62.98 d. 53.69 Desktop Specialist Exam Guide October 2018 Solutions 1. Which of the following is the best reason to use an extract instead of a live connection? The correct answer is c. You need to apply an aggregation that takes too long when using a live connection. 2. You created a group by selecting field labels in a view. How can you remove members from the group? The correct answer is b. In the Data pane, right-click the group and select Edit Group. 3. Which of the following can you use to create a calculated field that returns data independent of the data granularity in a view? The correct answer is d. A FIXED LOD calculation. 4. Interactive elements that you can add to a dashboard for users include ______. (Select all that apply.) The correct answers are a. URL actions & c. filter actions. 5. A field that shows average home values for the United States in 2016 is most likely: The correct answer is d. An aggregated measure. Desktop Specialist Exam Guide October 2018 Below there is guidance on a suggested method of finding each answer. You may find there are other ways determine the correct answer. The focus for this exam is the destination (i.e. accuracy), rather than the journey. 6. Using the Stocks 2010-2013 table, create a chart to see the monthly change in volumes of stocks, beginning of 2010 to the end of 2013. Which two consecutive months saw the least fluctuation in increase or decrease? The correct answer is b. March 2012 - April 2012. The answer to this question can be found by placing the continuous month date value (May 2015) format on Columns, and placing SUM(Volume) on Rows. Desktop Specialist Exam Guide October 2018 7. Using the Stocks 2010-2013 table, create a crosstab showing the sum of Volume per Company per Year, then add grand totals to the view. What was the total volume for Apple in 2013 and the total volume for Apple for 2010 through 2013, respectively? The correct answer is a. 25,606,397,999 and 127,322,019,216. The answer to this question can be found by placing YEAR(Date) on columns and Company on rows. Drag SUM(Volume) to labels. Use the Analysis menu to add a grand total for rows. Desktop Specialist Exam Guide October 2018 8. Using the Stocks 2010-2013 table, create a chart that shows the percent difference in Volume for each company by year and quarter. How many quarters did Biogen Idec show a positive percent difference in volume? The correct answer is d. 6. The answer to this question can be found by placing Company and Volume on Rows, and Date on Columns. On Columns, click the plus sign on YEAR(Date) to add QUARTER(Date) to the view. On the Marks card, change the chart type to Bar. On Rows, right-click SUM(Volume), click Quick Table Calculation, and then select Percent Difference. Click Label on the Marks card, and then click Show mark labels. Desktop Specialist Exam Guide October 2018 9. Union the Stocks 2010-2013 and Stocks 2014 tables, and then create a chart showing the average Close price by year and quarter for each Company from 2010 to 2014. How many quarters was Amazon’s average closing price over $300? The correct answer is c. 5. The answer to this question can be found by first creating a union. On the Data Source tab, double-click New Union. Drag Stocks 2010-2013 into the dialog box. Then drag Stocks 2014 into the dialog box, click OK, and then click Sheet 1. In the view, place Company and Close on Rows, and Date on Columns. On Columns, click the plus sign on YEAR(Date) to add Quarter to the view. On the Marks card, change the chart type to Bar. On Rows, right-click SUM(Close), click Measure (Sum), and then select Average. Desktop Specialist Exam Guide October 2018 You can also add mark labels to the final view to easily identify the average close for each quarter. 10. Using the Flights table, create a bar chart showing the average of Minutes of Delay per Flight broken down by Carrier Name, and filtered by State to only show Minnesota (MN). What was the average minutes of delay per flight for United in Minnesota? The correct answer is c. 62.98. The answer to this question can be found by placing Carrier Name on Rows. Then place SUM(Minutes of Delay per Flight) on Columns and change the measure’s aggregation to Average. Desktop Specialist Exam Guide January 2018 Drag State to Filters and then select ‘MN’ to filter to only show values for Minnesota. Desktop Specialist Exam Guide October 2018
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