What is the minimum amount of RAM recommended for any production use of Tableau Server?
Answer(s): B
The computer on which you are installing or upgrading Tableau Server must meet the minimum hardware requirements. If the Setup program determines that your computer does not meet the following requirements, you will not be able to install Tableau Server. These minimum requirements are appropriate for a computer that you use for prototyping and testing of Tableau Server. They apply to single-node installations and to each computer in a distributed installation.
https://help.tableau.com/current/server/en-us/server_hardware_min.htm
Which of the following chart type makes use of 'binned' data?
Answer(s): C
A histogram is a chart that displays the shape of a distribution. A histogram looks like a bar chart but groups values for a continuous measure into ranges, or bins.
https://help.tableau.com/current/pro/desktop/en-us/buildexamples_histogram.htm
True or False: Trend lines can only be used with numeric or date fields
Answer(s): A
You can show trend lines in a visualization to highlight trends in your data. To add trend lines to a view, both axes must contain a field that can be interpreted as a number. For example, you cannot add a trend line to a view that has the Product Category dimension, which contains strings, on the Columns shelf and the Profit measure on the Rows shelf. However, you can add a trend line to a view of sales over time because both sales and time can be interpreted as numeric values.
https://help.tableau.com/current/pro/desktop/en-us/trendlines_add.htm
True or False: All rows from both tables are returned in an INNER JOIN
The INNER JOIN keyword selects all rows from both tables as long as there is a match between the columns. Consider 2 tables "Orders" and "Customers".If there are records in the "Orders" table that do not have matches in "Customers", these orders will not be shown!
https://www.w3schools.com/sql/sql_join_inner.asp
Is SUM a table calculation?
SUM is an aggregate function, not a table calculation! A table calculation is a transformation you apply to the values in a visualization. Table calculations are a special type of calculated field that computes on the local data in Tableau. They are calculated based on what is currently in the visualization and do not consider any measures or dimensions that are filtered out of the visualization.The most common Table calculations are:Running TotalPercent DifferenceDifferencePercent of TotalRankPercentileThese can be calculated using : Table(across), Cell, or Specific dimensions!
https://help.tableau.com/current/pro/desktop/en- us/calculations_tablecalculations_definebasic_runningtotal.htm
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for question #118, the answer is option c. the screen shot is showing the drop down, but the answer is marked incorrectly please update . thanks for sharing such nice questions.
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