Top Power BI Interview Questions and Answers for 2022

The emergence of business intelligence tools presented Microsoft with the problem of developing its own. Microsoft created Power BI to give existing Microsoft Excel users appealing analytical skills and to enhance it so that it can generate interactive results.
Microsoft Power BI is one of today's top business intelligence solutions, according to Gartner's Magic Quadrant, owing to the fact that most IT organisations utilise it for their business analytics. As a result, there is a huge demand for Power BI experts in the present IT sector.
 

Power BI Interview Questions For Freshers

1. What is Power BI and how does it work?

Microsoft's Power BI is a business analytics application that allows you to combine various unrelated data sources into useful and interactive insights. These data can be found in Excel spreadsheets or hybrid cloud/on-premises data warehouses. You can connect to all of your data sources with ease and share your findings with anyone.
 

2. What are the benefits of using Power BI?

Because Power BI makes it simple for anybody, including non-technical individuals, to connect, change, and visualise their raw business data from a variety of sources, transforming it into meaningful information that helps them make better business decisions.
 

3. What is the difference between Tableau and Power BI?

Tableau and Power BI are the data analytics and visualisation behemoths of today's IT sector. However, there are a few key distinctions between them. Now you'll look at the key distinctions between Tableau and Power BI.
 

4. What is Power BI Desktop?  

Microsoft's Power BI Desktop is an open-source programme that it designed and built. Users will be able to connect to, transform, and visualise data with ease using Power BI Desktop. Users using Power BI Desktop can create visualisations and collections of visuals that can be shared as reports with their colleagues or clients.
 

5. What exactly is a Power Pivot?
 

Since 2010, Microsoft has offered Power Pivot as an Excel add-on. Power Pivot was created to enhance Microsoft Excel's analytical skills and services.
 

6. What exactly is a Power Query?

Microsoft's Power Query is a business intelligence tool for Excel. Power Query allows you to import data from a variety of sources and clean, modify, and restructure it to meet your specific needs. You can construct your query once and then run it with a simple refresh in Power Query.
 

7. Where does Power BI store data?

When it comes to storing data, Power BI is frequently supported by the cloud. A desktop service can be used by Power BI. The data is stored on Microsoft Azure, which is the principal cloud service.

• SQL Database in Azure
• Azure Blob Storage is a storage service provided by Microsoft.

 

8. What is row-level security, and how does it work?

Row-level security uses filters to limit the data that a user may see and access. To configure row-level security, users can define rules and roles in Power BI Desktop and then publish them to Power BI Service.
 

9. What are the benefits of using general formatting on Power BI data?

Users can utilise standard formatting to help Power BI organise and identify data, making it easier to use.
 

10. What are the multiple Power BI Desktop views available?

In Power BI, there are three different views, each of which serves a particular purpose:
Users can add visualisations and additional report pages to this view, which they can then publish on the site.
Data View - Query Editor tools can be used to shape data in this view.
Users can handle relationships between complex datasets in the Model View.
 

11. Describe the components of Microsoft Power BI.

The following are the key components of Power BI:

• Visualization

The practice of creating charts and graphs to express insights into corporate data is known as visualization.

• Datasets

A dataset is a collection of data, such as a column of sales figures, that is used to generate a display. Built-in data plugins allow you to integrate and filter data from a variety of sources.

• Reports

The report stage is the final stage. On one or more pages, there is a collection of visualisations. Charts and maps, for example, are integrated to create a final report.

• Dashboards

To view your finished dashboard, you may use a Power BI dashboard to share a single visualisation with colleagues and clients.
 

12. What exactly do you mean when you say "content pack"?

A content pack is a pre-made collection of visualisations and Power BI reports that you may use with your preferred service. Instead of starting from scratch, you'd use a content pack when you need to get up and running quickly.
 

13. Define bi-directional cross-filtering.

Bidirectional cross-filtering allows data modellers to choose how their Power BI Desktop filters should flow for data based on table relationships. The filter context is passed on to a second related table on the opposite side of any table relationship. Data modellers can use this approach to tackle the many-to-many problem without needing to use sophisticated DAX calculations. To summarise, bidirectional cross-filtering facilitates the job.
   

What are the important topics in Power BI?

• Whatsapp Channel