10 exam-style questions with answers and explanations, straight from our 1,030-question bank. Tap an answer to check yourself. When you're ready, take the scored version in the free practice test.
These 10 free TDS-C01 questions are organized by exam domain, so you can see how each part of the Salesforce Certified Tableau Desktop Foundations (formerly Tableau Desktop Specialist) blueprint is tested. Reveal the answer and explanation under each question.
A dashboard connects live to a large corporate database and users report that it loads slowly. The business confirms the data only needs to be current as of each morning. What is the MOST appropriate change?
Correct answer: A - Switch the data source to an extract
After joining an Orders table to a Returns table in the physical layer, an analyst notices that total Sales is now considerably higher than before the join. What is the MOST likely cause?
Correct answer: C - Returns has multiple rows per order, duplicating Sales
A data source uses an incremental extract refresh keyed on an auto-incrementing Order ID. Records that were edited after the last refresh still display their old values. Why?
Correct answer: A - Incremental refresh only appends rows with new key values
An analyst wants to use Show Me to build a histogram of order quantities, but the histogram option is greyed out. Which field selection will enable it?
Correct answer: A - One measure and no dimensions
An analyst needs every individual customer to appear as a separate mark in a scatter plot, but does not want customers distinguished by colour, size, or shape. Where should Customer Name be placed?
Correct answer: C - Detail, which adds granularity with no encoding
An analyst creates a parameter, defines its allowable values, and displays the parameter control on the worksheet. Changing the control has no effect on the view. What is missing?
Correct answer: B - Nothing in the workbook references the parameter yet
A view shows the Top 10 products by Sales. After adding a filter for the West region, the view still lists the top 10 products from the entire dataset rather than the top 10 within West. What should the analyst do?
Correct answer: A - Add the Region filter to context
An analyst adjusts a filter on a story point, moves to the next story point, then returns to find the filter has reverted to its original setting. What did the analyst fail to do?
Correct answer: D - The changes were not saved with the Update button
An analyst drags a field onto the Columns shelf and it appears as a green pill. What does this indicate about how the field will be displayed?
Correct answer: B - It will create a continuous axis
An analyst places a blue MONTH(Order Date) pill on the Columns shelf for a dataset spanning three years. How is the data displayed?
Correct answer: D - Twelve headers, each combining all years' data
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