Power BI Interview Questions for Intermediate
6. Mention the essential features of Power BI.
Power BI is a powerful tool with many features. Some notable features include:
- It enables users to visualize data and share that visualization with others.
- Users are able to browse and examine data from all sources (in a unified view).
- Users may scale across enterprises while benefiting from integrated governance and security.
- Users can see an output once it has been generated on any device that supports the Power BI application.
- Users can run queries on reports using basic English terms utilizing Power BI Q&A or Power BI Q&L processing.
7. What is the difference between Calculated Columns, Calculated Tables, and Measures?
|
Calculated Columns |
Calculated Tables |
Measures |
|---|---|---|
|
DAX formula is used to add data to tables from already existing data. |
DAX formula was used to define the values. |
To make complicated calculations, use other DAX functions |
|
Using DAX formulas instead of data sources to query defines values in additional columns. |
both Report and Data views were used to create |
both Report and Data views were used to create |
|
When data sources don’t include information presented in the correct format, it can be useful. |
Work well for storing user-requested data in the model and intermediate calculations |
used for sales forecasting, comparing sales, highlighting running totals, and other uses |
8. What are the differences between a Power BI dataset, a Report, and a Dashboard?
|
Power BI dataset |
Report |
Dashboard |
|---|---|---|
|
Data storage and modeling |
Data visualization and analysis |
Data presentation and navigation |
|
Stores and prepares data |
Displays visualizations |
Organizes visuals and reports |
|
Created in Power Query or Power BI Desktop |
Created and edited in Power BI Desktop |
Created by pinning visuals |
|
No export or print options |
Export visuals and reports |
Export dashboard visuals |
|
No user interactivity |
Interactive filters, slicers, and drill-through |
Limited interactivity (drill-through) |
9. What are the different Power BI formats?
The following are the various formats available in Power BI:
- Power BI Desktop – You can download and install Power BI Desktop. With the help of templates, you can connect it to a data source, manipulate the data, and then analyze and visualize it.
- Power BI Services – Power BI Services is a cloud-based or service-as-a-platform.
- Power BI Mobile App –The Power BI mobile app is accessible on iOS, Android, and Windows devices.
10. How can you refresh data in Power BI?
Data can be refreshed in Power BI in the following manner:
- To manually update data in Power BI Desktop, click the “Refresh” button on the Home tab to update your report with the latest information from your sources.
- You can choose frequency like daily or weekly when you schedule automatic data refresh for published reports in the Power BI Service.
- In the Power BI Service, dataflows can be scheduled for refresh to keep shared datasets current.
- Data is always real-time for DirectQuery and Live Connection and doesn’t need to be manually refreshed.
- To automate data refresh processes and guarantee data accuracy, use Power BI Gateway, Power Automate, APIs, or PowerShell.
Top Power BI Interview Questions and Answers (For Fresher & Experienced)
Power BI is a powerful business analytics tool developed by Microsoft, renowned for its interactive visualizations and business intelligence capabilities. It’s widely adopted across various industries, making it a valuable skill for professionals in data analysis and reporting. Top companies like Microsoft, Facebook, Accenture, EY, PwC, and many more leverage Power BI for their robust data modelling and reporting features.
- Most Asked Power BI Interview Questions
- Power BI Interview Questions for Freshers
- Power BI Interview Questions for Intermediate
- Advanced Power BI Interview Questions for Experienced
In this article, we will provide Top Power BI Interview Questions tailored for both freshers and experienced professionals with 3, 5, and 8 years of experience. With proper knowledge of the tools, you can easily get opportunities as a Power BI data analyst, Power BI developer, Power BI software engineer, Power BI project manager, SQL Server Power BI developer, or a Power BI consultant in top IT companies.
This article is useful for people who are looking for a career in Data Analysis and BI. Here, we have filtered top 30 most frequently asked Power BI interview questions with answers, from the basic to advanced level for Freshers, Intermediate and Experienced professionals.
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