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Tableau TDS-C01 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Exploring and Analyzing Data37%- Analyze Data
  • 1. Apply filters
  • 2. Create calculated fields
  • 3. Use trend lines and forecasting
  • 4. Use groups and hierarchies
- Build Visualizations
  • 1. Use dimensions and measures
  • 2. Create charts and views
  • 3. Work with discrete and continuous fields
Topic 2: Connecting to and Preparing Data23%- Connect to Data Sources
  • 1. Use extracts and live connections
  • 2. Identify connection types
  • 3. Connect to files and databases
- Prepare Data
  • 1. Data Interpreter
  • 2. Sort and organize data
  • 3. Data properties and metadata
Topic 3: Understanding Tableau Concepts15%- Core Tableau Concepts
  • 1. Data types
  • 2. Marks card functionality
  • 3. Aggregations
  • 4. Dimensions and measures
- Visualization Principles
  • 1. Choose appropriate chart types
  • 2. Interpret visual analytics
  • 3. Understand Tableau terminology
Topic 4: Sharing Insights25%- Share Content
  • 1. Export views and workbooks
  • 2. Use Tableau Reader and PDF exports
  • 3. Publish and share visualizations
- Dashboards and Stories
  • 1. Format and organize dashboard layouts
  • 2. Add dashboard actions
  • 3. Create dashboards

>> TDS-C01認定内容 <<

TDS-C01受験準備 & TDS-C01復習範囲

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Tableau Desktop Specialist 認定 TDS-C01 試験問題 (Q10-Q15):

質問 # 10
True or False: A LEFT JOIN or INNER JOIN creates a row each time the join criteria is satisfied, which can result in duplicate rows. One way to avoid this is to use data blending instead.

正解：B

解説：
Joins combine tables by adding more columns of data across similar row structures. This can cause data loss or duplication if tables are at different levels of detail, and joined data sources must be fixed before analysis can begin.

Inner join

Left Join
Blends, unlike relationships or joins, never truly combine the data. Instead, blends query each data source independently, the results are aggregated to the appropriate level, then the results are presented visually together in the view.


質問 # 11
Which two types of fields appear blue? Choose two.

正解：C、D

解説：
Discrete measures and discrete dimensions appear blue in Tableau. Discrete fields are those that have a finite number of distinct values, such as names, categories, or dates. Discrete fields are usually used to create headers or labels in the view. Blue fields indicate that the field is discrete. Continuous measures and continuous dimensions appear green in Tableau. Continuous fields are those that have an infinite range of possible values, such as numbers or ratios. Continuous fields are usually used to create axes or color gradients in the view. Green fields indicate that the field is continuous1


質問 # 12
The row and column shelves contain ___________________

正解：C

解説：
We can drag fields from the Data pane to create the structure for your visualizations.
The Columns shelf creates the columns of a table, while the Rows shelf creates the rows of a table. You can place any number of fields on these shelves.
These FIELDS are also referred to as PILLS. See below:


質問 # 13
If you use a percent difference Quick Table Calculation, what value will be the first data value?

正解：C

解説：
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.


質問 # 14
True or False: It is not possible to blend axes for multiple measures into a single axis

正解：B

解説：
We can very much blend multiple measures into a single axis. Such charts are called Combined-Axis / Blended-Axis charts. Follow along:
Measures can share a single axis so that all the marks are shown in a single pane. To blend multiple measures, drag one measure or axis and drop it onto an existing axis.

Instead of adding rows and columns to the view, when you blend measures there is a single row or column and all of the values for each measure is shown along one continuous axis. For example, the view below shows quarterly sales and profit on a shared axis.

Note: If you drag a measure on to the canvas and only see a single ruler indicator instead of the double ruler indicator shown below, Tableau creates dual axes instead of a blended axis. For more information about how to create dual axes, see Compare two measures using dual axes.


質問 # 15
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