#### Overview of this book

The Tableau Desktop Specialist certification is fundamental for any data visualization professional who works in the field with Tableau. This book gets you started by covering the exam format, Tableau basics, and best practices for preparing data for analysis and visualization. It also builds on your knowledge of advanced Tableau topics to get you up to speed with the essential domains and domain objectives. Although the guide provides an outline and starting point to key in on what needs to be understood before the examination, it also delivers in context to give you a strong understanding of each piece before taking the exam. Instructions on how to get hands on with examples, a common data source, and suggested elements are also included. Understanding the concepts will not only assist you in passing the examination, but will also help you work effectively with the tool in your workspace. By the end of this book, you'll be able to efficiently prepare for the certification exam with the help of mock tests, detailed explanations, and expert advice from the author.
Preface
Part 1: Introduction to Tableau
Free Chapter
Chapter 1: Tableau Desktop Specialist Certification Overview
Chapter 2: Data Ingestion
Chapter 3: How to Interpret Data in a Tableau Visualization
Chapter 4: Working with Dimensions, Measures, and Marks (Oh My)
Chapter 5: Calculations and Functions Syntax
Part 2: Mastering the Exam
Chapter 6: Connecting to and Preparing Data
Chapter 7: Understanding and Creating Fundamental Charts in Tableau
Chapter 8: Data Organization and Worksheet Analytics
Chapter 9: Sharing Insights
Part 3: The Final Prep
Chapter 10: Exam Preparation
Chapter 11: Mock Test
Index
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# Knowledge check

To check your knowledge of this chapter, here are a few questions that this chapter’s material will help you answer. The questions that have been selected aren’t intended to trick you but to provide you with a learning benchmark to give you a foundational understanding to help prepare you for the exam. The answers are marked in italics:

1. The `TRIM` function provides the combined capabilities of the `LTRIM` and `RTRIM` functions.
1. True
2. False
2. How can you verify the validity of a calculation in the calculation editor?
1. Tableau understands your entries in calculation and will automate a calculation if one cannot be found.
2. There is an indicator at the bottom of the calculation editor that informs a user whether a calculation is valid.
3. There is no way to test a calculation unless it is added to a visualization.
3. According to Tableau’s order of operations, which LOD calculation is the most powerful?
1. Parameters
2. Excluded
3. Fixed
4. Include
5. None of these
4. What...