Infosys Power BI Developer Interview Questions, Process, and Tips

Q1. What is the current Organisation
Ans. 
ABC Corporation is a multinational technology company specializing in software development and data analytics.
• ABC Corporation is known for its expertise in Power BI development.

• The company has a global presence with offices in multiple countries.

• ABC Corporation offers a wide range of software solutions for various industries.

• They have a strong focus on data analytics and provide advanced reporting and visualization too...read more
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Q2. What is the current CTC and Expected CTC
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The current CTC and expected CTC are personal financial details and should not be disclosed in an interview.
• It is not appropriate to discuss personal financial details in an interview.

• Salary negotiations should be done after receiving a job offer.

• Focus on discussing your skills, experience, and qualifications for the Power BI Developer role.
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Q1. What is Row Level Security ?
Ans. 
Row Level Security is a feature in Power BI that allows you to restrict data access at the row level based on user roles and filters.
• Row Level Security (RLS) is used to control data access in Power BI based on user roles and filters.

• It allows you to define rules that determine which rows of data a user can see.

• RLS can be applied to tables or views in the data model.

• It is commonly used to restrict access to sensitive or...read more
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Q2. What is difference between SUM and SUMX?
Ans. 
SUM calculates the sum of a column or expression, while SUMX calculates the sum of an expression over a table.
• SUM is used to calculate the sum of a column or expression in Power BI.

• SUMX is used to calculate the sum of an expression over a table in Power BI.

• SUM is typically used with a column reference, while SUMX is used with an expression.

• SUMX can be used to perform calculations on filtered or modified data.

• Example: S...read more
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Q3. What is difference between calculate column and measures?
Ans. 
Calculated columns are computed during data loading, while measures are computed on the fly during data visualization.
• Calculated columns are created in the data model and stored in the underlying table.

• Measures are created using DAX expressions and are calculated dynamically based on the context of the visualization.

• Calculated columns consume memory and can impact performance, while measures are more efficient.

• Calculat...read more
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Q1. Present company last working day
Ans. 
The last working day of the company is the day on which an employee's employment ends.
• The last working day is typically determined by the company's policies and the employee's contract.

• It may be different for each employee depending on their notice period or reason for leaving.

• The last working day is usually communicated to the employee through an official letter or email.

• On the last working day, the employee may be re...read more
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Power bi refresh, service, views, dashboards

Q1. How many refresh are allowed in premium account?
Ans. 
The number of refreshes allowed in a Power BI Premium account depends on the capacity size.
• The number of refreshes allowed varies based on the capacity size of the Power BI Premium account.

• For P1 capacity, up to 48 refreshes per day are allowed.

• For P2 capacity, up to 96 refreshes per day are allowed.

• For P3 capacity, up to 384 refreshes per day are allowed.

• Additional refreshes can be purchased if needed.
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