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WNS Power BI Developer Interview Questions, Process, and Tips

Updated 28 Oct 2024

Top WNS Power BI Developer Interview Questions and Answers

View all 6 questions

WNS Power BI Developer Interview Experiences

5 interviews found

Power BI Developer Interview Questions & Answers

user image Govind Prajapat

posted on 28 Oct 2024

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Time intelligence functions
  • Q2. Difference between Power BI Report and Power BI App
  • Ans. 

    Power BI Report is a single report page, while Power BI App is a collection of multiple reports and dashboards.

    • Power BI Report is a single page report with visualizations and data insights.

    • Power BI App is a collection of multiple reports, dashboards, and datasets organized together.

    • Power BI Report can be shared individually, while Power BI App is shared as a package of related content.

    • Power BI App allows for more inter...

  • Answered by AI

Skills evaluated in this interview

Interview experience
1
Bad
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. 1.whawhat are the challenges faced in your project? 2.what is difference between active & inactive relationship & explain detailed with 1 example? 3.what is star schama & snow flake schema & give example? ...
Round 2 - HR 

(2 Questions)

  • Q1. What is your expecting salary
  • Q2. Is it possible relocate

Interview Preparation Tips

Interview preparation tips for other job seekers - Randomly asked

Power BI Developer Interview Questions Asked at Other Companies

asked in KPMG India
Q1. Types of joins in power Bi & SQL and how it works?
asked in KPMG India
Q2. Difference between Sum and Sumx? And also Summerize vs Summerized ... read more
Q3. what are the difference between page level and report level filte ... read more
asked in Infosys
Q4. What is difference between calculate column and measures?
asked in KPMG India
Q5. Difference between calculate and calculate table ?
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(5 Questions)

  • Q1. Difference between sum and SUMX
  • Ans. 

    SUM calculates the sum of a column or expression, while SUMX calculates the sum of an expression evaluated for each row in 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 evaluated for each row in a table.

    • SUM is typically used with columns, while SUMX is used with tables or filtered tables.

    • SUMX can be used to perform more complex calculat

  • Answered by AI
  • Q2. Define ROS in power BI
  • Ans. 

    ROS stands for Return on Sales in Power BI.

    • ROS is a financial metric used to measure the profitability of a company.

    • It is calculated by dividing the net income by the total revenue.

    • ROS is expressed as a percentage and is used to evaluate a company's efficiency in generating profits.

    • For example, if a company has a net income of $100,000 and total revenue of $1,000,000, the ROS would be 10%.

  • Answered by AI
  • Q3. Define interaction mode in power bi
  • Ans. 

    Interaction mode in Power BI allows users to interact with visualizations and explore data in a more dynamic way.

    • Interaction mode can be accessed by clicking on the 'Focus mode' button in the top right corner of a visualization.

    • In interaction mode, users can hover over data points to see more information, filter data, and drill down into details.

    • Users can also use the 'Selection pane' to show or hide specific visualiza...

  • Answered by AI
  • Q4. Define different type of filters available in power bi
  • Ans. 

    Power BI has various types of filters such as visual, page, report, drill-through, and slicer filters.

    • Visual filters apply to a single visual or chart.

    • Page filters apply to all visuals on a single page.

    • Report filters apply to all visuals in a report.

    • Drill-through filters allow users to navigate to more detailed data.

    • Slicer filters allow users to filter data across multiple visuals.

  • Answered by AI
  • Q5. Define schema for n power bi
  • Ans. 

    Schema for n Power BI is the structure of the data model used to organize and connect data sources.

    • Schema defines the relationships between tables, columns, and measures.

    • It helps in creating a logical model of the data.

    • Schema can be created using Power BI Desktop or Power BI Service.

    • Example: A schema for sales data may include tables for customers, products, and sales transactions.

    • Schema can also include calculated col

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Learn about power bi and sql which will give you more chance to clear

Skills evaluated in this interview

I applied via Recruitment Consulltant and was interviewed in Jul 2022. There were 5 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - One-on-one 

(1 Question)

  • Q1. Situation based question and Dax function,and security level question
Round 3 - Technical 

(1 Question)

  • Q1. Similar question in 3rd round as well
Round 4 - Client Interview 

(1 Question)

  • Q1. Client ask for job change , tell you about the role and responsibilities
Round 5 - HR 

(1 Question)

  • Q1. Family related question and salary expectation

Interview Preparation Tips

Interview preparation tips for other job seekers - Focus on core concept of power bi, ready for situation based question and having good command over DAX

WNS interview questions for designations

 Developer

 (1)

 Software Developer

 (1)

 Backend Developer

 (1)

 VBA Developer

 (1)

 Web Developer

 (1)

 Data Engineer

 (5)

 Programmer Analyst

 (3)

 Senior Programmer Analyst

 (3)

I applied via Naukri.com and was interviewed before Oct 2021. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Aptitude Test 

English, maths, gk, reasoning

Round 3 - HR 

(2 Questions)

  • Q1. What is your current salary. What is your highest qualification.
  • Q2. When you join our company
  • Ans. 

    I will bring my expertise in Power BI development and contribute to the success of the company.

    • I have extensive experience in creating interactive dashboards and reports using Power BI.

    • I am proficient in data modeling, DAX calculations, and data visualization techniques.

    • I have a strong understanding of business requirements and can translate them into effective Power BI solutions.

    • I am familiar with connecting to variou...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - You doing only our knowledge,experience and key responsibilities.

Get interview-ready with Top WNS Interview Questions

Interview questions from similar companies

I applied via Campus Placement and was interviewed before Feb 2021. There were 4 interview rounds.

Round 1 - Aptitude Test 
Round 2 - Coding Test 
Round 3 - Technical 

(1 Question)

  • Q1. Sql and os related questions,Java based
Round 4 - HR 

(4 Questions)

  • Q1. What are your salary expectations?
  • Q2. What is your family background?
  • Q3. Where do you see yourself in 5 years?
  • Q4. Tell me about yourself.

Interview Preparation Tips

Interview preparation tips for other job seekers - Whoever seeing this.. you will acheive your goals

I applied via Naukri.com and was interviewed before Oct 2021. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(2 Questions)

  • Q1. Can you please explain previous experience?
  • Q2. Can you explain about import model ?
  • Ans. 

    Import model is a Power BI feature that allows you to import data from various sources and create a data model.

    • Import model is used to create a data model in Power BI.

    • It allows you to import data from various sources such as Excel, CSV, SQL Server, etc.

    • You can create relationships between tables, add calculated columns, and measures.

    • Import model is useful when you have large amounts of data that need to be transformed ...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - My advice is without techinical knowledge plz Don't attend the interview.
Interview experience
1
Bad
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(2 Questions)

  • Q1. ROW LEVEL SECURITY
  • Q2. SUM, SUMIF SUMIFS AND DELETE TRUNCATE
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed in Feb 2024. There were 2 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. Difference Between direct query mode and import mode
  • Ans. 

    Direct query mode connects to data source in real-time, while import mode loads data into Power BI for faster analysis.

    • Direct query mode connects to data source in real-time, providing up-to-date data

    • Import mode loads data into Power BI for faster analysis, but may not always reflect real-time changes

    • Direct query mode is suitable for large datasets that require real-time updates

    • Import mode is suitable for smaller datas

  • Answered by AI
  • Q2. Define powerBI in layman poin of view
  • Ans. 

    PowerBI is a data visualization tool that helps users analyze and visualize data to make informed business decisions.

    • PowerBI helps in creating interactive reports and dashboards

    • It allows users to connect to various data sources like Excel, SQL databases, and cloud services

    • Users can create custom visualizations and share insights with others

    • PowerBI can be used for data exploration, data modeling, and data storytelling

  • Answered by AI
Round 2 - Technical 

(1 Question)

  • Q1. How the end user access the report
  • Ans. 

    End users can access the report through Power BI Service, Power BI Mobile App, or embedded in other applications.

    • End users can access the report through Power BI Service by logging in with their credentials

    • End users can also access the report through Power BI Mobile App on their smartphones or tablets

    • Reports can be embedded in other applications using Power BI Embedded feature

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Basic questions

Interview Questionnaire 

1 Question

  • Q1. What is a power bi
  • Ans. 

    Power BI is a business analytics tool that provides interactive visualizations and business intelligence capabilities.

    • Power BI is a Microsoft product used for data analysis and visualization.

    • It allows users to connect to various data sources and create interactive reports and dashboards.

    • Power BI provides a wide range of visualizations, such as charts, maps, and tables, to represent data.

    • Users can create custom calculat...

  • Answered by AI

Skills evaluated in this interview

WNS Interview FAQs

How many rounds are there in WNS Power BI Developer interview?
WNS interview process usually has 2-3 rounds. The most common rounds in the WNS interview process are Resume Shortlist, Technical and HR.
How to prepare for WNS Power BI Developer interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at WNS. The most common topics and skills that interviewers at WNS expect are Power Bi, Data Analytics, Excel, Analytical Skills and Communication Skills.
What are the top questions asked in WNS Power BI Developer interview?

Some of the top questions asked at the WNS Power BI Developer interview -

  1. Define different type of filters available in power...read more
  2. Difference between sum and S...read more
  3. Define interaction mode in power...read more

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WNS Power BI Developer Interview Process

based on 2 interviews

1 Interview rounds

  • Resume Shortlist Round
View more
WNS Power BI Developer Salary
based on 43 salaries
₹3.5 L/yr - ₹14.9 L/yr
32% more than the average Power BI Developer Salary in India
View more details

WNS Power BI Developer Reviews and Ratings

based on 7 reviews

4.5/5

Rating in categories

3.9

Skill development

4.3

Work-life balance

4.4

Salary

4.4

Job security

4.3

Company culture

3.4

Promotions

4.3

Work satisfaction

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