The WNS Power BI Developer interview involved technical questions on data modeling, DAX, visualization best practices, and SQL. It also assessed problem-solving, business understanding, and communication skills through scenario-based tasks, ensuring both technical expertise and client-oriented mindset were evaluated.
Self Introduction and difficulties faced in the project
Generic business and STAR related questions.
I gave the initial assessment test. I felt it had gone well for me but there was no selection/rejection mail sent.
Why this position? Why this department,
Explain what waterfall methodolgy entails
Basic Power BI questions.
sum and sumx function in power bi
Design of Models
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