Cognizant Powerbuilder Programmer Interview Questions and Answers

1st round is Cognitive which consists of English, pseudocodes, Arthametic and reasoning.

2nd is coding consists of 2nd questions.

Q1. Introduce yourself? Tell me about your projects. Basics in python.
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Q2. Why do you choose engineering
Ans. 
I chose engineering because I have always been fascinated by problem-solving and creating innovative solutions.
• Passion for problem-solving and creating innovative solutions

• Interest in technology and how things work

• Opportunities for creativity and continuous learning

• Desire to make a positive impact on society through technological advancements
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Power bi desktop in power bi service

Q1. What is power bi
Ans. 
Power BI is a business analytics tool by Microsoft that provides interactive visualizations and business intelligence capabilities.
• Power BI allows users to connect to various data sources and create interactive reports and dashboards.

• Users can easily share and collaborate on reports with others within the organization.

• It offers features like data modeling, data visualization, and data transformation.

• Power BI can be use...read more
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Q2. How creative a dashboard in power query
Ans. 
A creative dashboard in Power Query involves using unique visuals and interactive elements to present data in an engaging way.
• Utilize custom visuals to display data in a visually appealing manner

• Incorporate interactive elements such as slicers and filters for user-friendly navigation

• Use color coding and formatting to highlight important insights

• Include dynamic elements like tooltips and drill-down capabilities

• Experimen...read more
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Q1. Power bi desktop
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Q2. Write the Dax query in data modeling
Ans. 
Write a DAX query in data modeling
• Use CALCULATE function to apply filters and context to calculations

• Use SUMX function to iterate over a table and perform calculations

• Use RELATED function to retrieve related values from other tables
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Q1. What is power pivot
Ans. 
Power Pivot is a data modeling tool in Excel that allows users to create relationships, calculations, and measures for analyzing large datasets.
• Power Pivot is an add-in for Excel that enables users to create data models and perform advanced data analysis.

• It allows users to import and combine data from multiple sources, create relationships between tables, and define calculations and measures.

• Users can create complex ca...read more
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Q2. Creation in dax
Ans. 
Creation in DAX refers to the process of generating new calculated columns or measures in Power BI using Data Analysis Expressions.
• Use DAX functions like CALCULATE, SUMX, AVERAGE, etc. to create new columns or measures

• Understand the data model and relationships to create accurate calculations

• Test the newly created calculations to ensure they are working correctly
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