Accenture Tableau Developer and Business Analyst Interview Questions and Answers

Q1. One round interview
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Q2. Good questions
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Q1. Good questions on Tableau
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Q2. Good questions on visualization
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Q1. What is the order of operations of the Tableau filters?
Ans. 
The order of operations of Tableau filters is context filters, extract filters, data source filters, and then dimension filters.
• Context filters are applied first, followed by extract filters, data source filters, and finally dimension filters.

• Context filters create a temporary table that only includes the data relevant to the filter.

• Extract filters are applied to the data extract before it is loaded into Tableau.

• Data s...read more
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Q2. What is a context filter?
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A context filter is a filter that is applied to a specific worksheet or dashboard, affecting only the data displayed in that context.
• Context filters are used to filter data at a more granular level within a worksheet or dashboard.

• They allow users to focus on specific data points without affecting the overall data set.

• Context filters can be created by right-clicking on a field in the Filters shelf and selecting 'Add to ...read more
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Q3. What do you mean by rolling 3,6,12 months? How it is different than YTD, MTD, QTD?
Ans. 
Rolling 3, 6, 12 months refers to analyzing data over the past 3, 6, or 12 months, while YTD, MTD, QTD refer to year-to-date, month-to-date, quarter-to-date.
• Rolling 3, 6, 12 months involves looking at data over the past 3, 6, or 12 months, providing a trend analysis over a specific time period.

• YTD (Year-to-Date) refers to data from the beginning of the current year up to the present date.

• MTD (Month-to-Date) refers to d...read more
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Q4. How will you calculate %YoY growth?
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To calculate %YoY growth, subtract the previous year's value from the current year's value, divide by the previous year's value, and multiply by 100.
• Calculate YoY growth = ((Current Year Value - Previous Year Value) / Previous Year Value) * 100

• For example, if sales were $100 in 2020 and $120 in 2021, YoY growth = (($120 - $100) / $100) * 100 = 20%
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Q1. Live and Extract
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Q2. Scenario Donut chart
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Q3. LOD Scenario use case
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Q4. Difference between rank and dense rank
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Rank assigns unique ranks to each row, while dense rank assigns consecutive ranks without gaps.
• Rank leaves gaps in rank numbers if there are ties, while dense rank does not

• Rank function is non-consecutive, while dense rank function is consecutive

• Rank function can skip numbers, while dense rank function does not
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Q5. 2nd highest salary
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Basic Level questions about Tableau

Q1. Types of LODs in Tableau
Ans. 
Types of LODs in Tableau include Fixed, Include, and Exclude.
• Fixed LOD: Computes a value using specified dimensions, regardless of the visualization level.

• Include LOD: Computes a value at a specified level of detail, including dimensions not in the visualization.

• Exclude LOD: Computes a value at a specified level of detail, excluding dimensions not in the visualization.
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Q1. Server components, upgradation,job fails
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Q1. How you handle if worker node fail
Ans. 
We ensure high availability by configuring multiple worker nodes and using load balancers.
• Configure multiple worker nodes to distribute the load and ensure redundancy.

• Use load balancers to distribute the traffic among the available worker nodes.

• Monitor the worker nodes for any failures and take appropriate actions to replace or repair them.

• Ensure that the Tableau Server is configured to automatically recover from worke...read more
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Q2. Restore with single dashboard
Ans. 
To restore a single dashboard, select the dashboard from the backup file and import it to the server.
• Locate the backup file containing the dashboard

• Open Tableau Server and go to the 'Import' tab

• Select the backup file and choose the dashboard to restore

• Click 'Import' to restore the dashboard to the server
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Q1. Tell me about Architecture of Tableau?
Ans. 
Tableau follows a client-server architecture with a three-tier structure.
• Tableau Desktop is the client application used for creating and publishing content.

• Tableau Server is the central server that manages user authentication, data sources, and content distribution.

• Tableau Online is a cloud-based version of Tableau Server.

• Tableau's three-tier structure includes the data source, the VizQL server, and the application ser...read more
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Q2. What are different filters in tableau?
Ans. 
Different filters in Tableau include dimension filters, measure filters, top N filters, wildcard filters, and context filters.
• Dimension filters allow users to filter data based on categorical variables.

• Measure filters allow users to filter data based on numerical variables.

• Top N filters allow users to filter data based on the top or bottom N values.

• Wildcard filters allow users to filter data based on patterns or partia...read more
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