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Hello Everyone,
In this video I am sharing interview questions that I have personally attended in last few months. Please go through them and prepare well for your interview. I Hope you ll find this video helpful in your preparation

1.Brief about Tableau Components.(Tableau Desktop, Server, Reader, Public, Mobile,Prep)
2.What is Tableau reader?(use to see Tableau workbooks without
3.What is Tableau Online?(same as server, server has more security than online)
4.Explain the Tableau Desktop architecture.()
5.What is the main advantage of Tableau?(In line memory function,vizsql, visualization)
6.On which OS Tableau Desktop supports?(Mac and Windows)
7.Tell differences between the tableau current version to previous versions.
8.Why we prefer Tableau rather than any other BI tool?(In memory tool, Visual analytics and speed)
9.What you identify the tableau desktop window.
10.What are the data elements you identify?(Textual, Date, Date time, georgraphic, Boolean, )
11.List the default properties of Data Elements(Text ABC, Date, Date & Time, Geographic, Number)
12.Differences between Live and extract connection.( The way worbook is connected to source)
13.Explain how the extract file is created and what format it is?(tde)
14.Which connection you prefer to fetch the data and why?(live)
15.Limitations of Extract connection.
16.What is Tableau Data Engine?(The way data extraction is done)
17.What is Tableau Locale?
18.Explain Tableau data formats.
19.Explain the process of data connections.
20.Difference between packaged and unpackaged workbook(including source, excluding source data) .twbx and .twb
21.Difference between the reports and views. (Report is final presentation of data, while view is source)
22.What is cell, Table and Pane?(various components of Tableau worksheet)
23.What is Dual axis and what is blended axis?(Dual Axis is mainly used when two mesaures are used in dual lines graphs or charts. And Blended Axis: is mainly used when more than two mesaures are used in multi lines graphs or charts. 
24.Why we use Synchronies axis in Dual axis? How?(right click on the axis and select sync. It is used to sync both the axis)
25.Explain different axis.
26.Can we convert measure to dimension and vice-versa? If yes, how?(Yes we can, drag measures from measure pane to dimension and vise versa. Or right click on measure/dimension and convert to dimension or measure)
27.Why we use actions?(To interact with the Dashboard/data)
28.In how many ways we can apply action- Filter, Highlight and URL.
29.Is highlight function works on Dash board? yes
30.How many levels we can apply filters and explains its scope?(header level, cell level, pane level)
31.What is context filter?(Filtering on the filtered data)***
32.Difference between the Normal filter and context filter. (Normal:Filtering the data based on condition. Context filter: Filtering on the filtered data)
33.Why we use Quick filters?( To give user the privilege to select.)
34.Can we assign the filter data to all sheets or selected sheets? How?(yes we can. Select the filter field from filter shelf and Rt click on it and select to all the worksheets etc.,)
35.Performance wise which filter is better?(source Filter)
36.What is conditional Formatting? Whether Tableau supports? How?Yes. You can create a calculated field and drop it on measure to differentiate. Ex to populate profit and loss in different color.
37.How many charts are there in Tableau?(24 in show me )
38.What is a combinational chart?( working with 2 Axis or Measures)
39.What is cross tab report?(data in Tabular format)
40.When we use Line charts?(to know the trend over a period of time)
41.When we use bar charts?(to compare different values)
42.When we use pie charts?(to know the distribution)
43.If you want to use 2-4 measures which kind of charts we use?(Combinational Chart)
44.*Which chart shows the actual data and target data?( Bullet graph)
45.What is Gantt chart? Or what chart we used for to track an event or activity over a period of time? Line Chart.
46.What are Tree maps? How it can help us?
47.Over a time period, what type of charts we use to prefer? Line Chart
48.What is Data Blending?
49.Explain the Join for Data blending? Use to join dif db
50.Explain the rules of Data blending? Should have atleast one common field for blending.

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