Friday, 13 November 2020

POWER BI INTERVIEW QUESTIONS AND ANSWERS 2020

 


Most Commonly Asked Power BI Interview Questions and Answers

                                                                  

The Microsoft Power BI reporting certification course can help you develop important dashboards from reports, data, and other resources. Power BI Interview questions will help you make a good impression in your interview and get the best out of your knowledge.

The Power BI is a Microsoft Initiative that came into effect during 2013. Power BI can be considered as a completely separate tool that is powerful and more useful than the individual Microsoft Office tools. In fact, most of Microsoft’s growth and increase in customer base is only through Power BI. 

 

Moving to Power BI can greatly improve your performance at work and other areas. You can use Power BI to use Excel, data models, business reports and create a comprehensive dashboard that will help you quickly analyze, publish, and extract information. 

 

Top Power BI Interview questions are asked by recruiters to test your knowledge in that specific field. These top questions are frequently asked and are helpful for preparing for the interview. Going through these interview questions and answers, you will get a good idea about what to expect from your interview.

 

Best Interview Questions and Answers for Power BI

 

The top interview questions and answers for Power BI Will help you prepare better for your interview. These are very likely to be asked in your interview. Industry experts recommend going through these questions will help a candidate significantly in his or her interview. 

 

There are many categories of Power BI interview questions. These different categories will help you understand the questions and analyze them better. 

 

General Power BI Interview Questions

 

  1. What are the different components of Microsoft BI solutions?

There are two components of the Microsoft BI self-service. These two parts are Excel BI Toolkit and Power BI. The Excel BI toolkit uses Microsoft Excel tools to create reports by using data from various sources and using them to create various data models. On the other hand, Power BI is a completely online tool and takes help from queries that have been created using the previous toolkit, i.e., Excel BI Toolkit. 

 

  1. What do you mean by Self-service Business Intelligence or SSBI?

 

SSBI is a unique system of data analysis that will help businesses filter and analyze data without going in deep about the methods of statistical analysis or BI. As a result, users now find it easy to use and access data to create helpful models and get better insights. Thus, users don’t need a deeper understanding to carry out their data processing tasks. Any user with just the basic levels of understanding will be able to build interactive and responsive dashboards.

 

  1. Give a brief overview of Power BI.

 

Power BI is an advanced cloud-based data sharing platform by Microsoft that helps users to create a multi-dimensional dashboard using the reports developed through tools like Power View, Power Query, and Power Pivot. As a result, users will be able to share the dashboard data with their clients, colleagues, management, or any other group of people. With the help of Power BI, users can now upload their excel sheets to the cloud and make it easier to access by people with whom they want to share it. Power BI gives users the flexibility to choose a limited number of co-workers to share the data with. Apart from that, the chosen people can also apply their modifications to the shared excel workbooks and add their highlights or comments. Thus, Power BI is a simple form of sharing and analyzing data without going through multiple platforms. Microsoft Cloud helps to coalesce all the data at one place and access it later. 

 

There are many useful features in Power BI, such as sharing presentations with colleagues, co-workers, etc. Users can even update their excel sheets using the data present in the site itself or in the cloud. It also supports sharing from multiple devices like PCs, laptops, and smartphones. There is a Power BI application for mobiles that allows users to access Power BI from their mobile phones. Also, users can query their data using natural language processing.

 

  1. Give an idea about Power BI Desktop.

 

Power BI Desktop is a software made for computers. Users can install the software directly to their PCs and laptops. There are many functions that users can do with the help of the Power BI software like data exploration, modelling, etc. You can even create reports and publish them on the cloud system. That data can be accessed by anyone with the same software. There is also the option of saving the work on-site and sharing it with others.

 

  1. Which sources of data can you connect Power BI with?

 

There are mainly three types of data sources that you can connect with the Power BI. These are as following:

Files: Data formats in the form of excel, power BI files and CSV.

Content Packs: A content pack consists of files and data that are placed as a part of the same group. There are several service providers like Google Analytics and Marketo that will help the users to share and organize the work. 

Connectors: These are connecting software that connects with databases like Azure. With the help of connectors, users will be able to seamlessly transfer their data to different platforms. 

 

  1. What are the various forms of building blocks in Power BI?

 

There are five types of building blocks that form the main component of Power BI.

 

  1. Visualization: The representing of values and data in the form of pie charts, graphs, bars, maps, etc. is known as visualization. 
  2. Datasets: The collection of data that users can use to create various visualizations is known as a dataset. The major examples of datasets are Excel sheets, Oracle, and SQL Server tables.
  3. Reports: Data that can appear in one or more pages is known as a report. There can be several types of reports, such as sales reports, logistics reports, performance reports, etc.
  4. Dashboard: A dashboard is like a single layer of visualization or multiple layers of visualizations. Users have the option of integrating the various types of visualizations into one format. The example of a dashboard includes pie charts, geographical maps, and bar charts. 
  5. Tiles: Every report has one or more slide that displays some specific data in a specific dashboard that is a part of another report. Such slides are known as tiles. 

 

  1. Name the type of filters in Power BI reports.

 

There are various levels of filters in a Power BI report. These filters are visual filters, page filters, report filters, etc. The visual filters are used to reduce the amount of data that can be seen in the report. The visual filters can work for both data and calculations. Then there are the report level filters. These report level filters function for the whole report to filter its content and include only the relevant data in the final report. 

 

  1. What are the various components of the distinction in report publishing capacities between utilizing a live or direct question association, for example, to an Analysis Services model, comparative with working with an information model nearby to the Power BI Desktop record? 

 

 With an information model nearby to the PBIX document or Power Pivot exercise manual, the creator has full authority over the inquiries, the demonstrating or connections, the metadata and the measurements. 

With a live association with an Analysis Services information base, the client can't make new measurements, import new information, and change the organizing of the measurements.

 

  1. What are the alternatives for three Edit Interactions of a visual tile in Power BI Desktop? 

 

The three alter communication alternatives are Filter, Highlight, and None. 

  • Channel: 

It totally channels a visual dependent on the channel choice of another visual or tile. 

  • Feature: 

It features just the connected components on the visual, dim out the non-related things. 

  • None: 

It overlooks the channel choice from another visual.

 

  1. What are the contrasts or differences between Power BI, Report, and Dashboard? 

 

Dataset:

The source used to make reports and visuals: an information model (nearby to PBIX or XLSX) or model in an Analysis Services Server. Information could be within the model (imported) or a Direct Query association with a source. 

Report: 

An individual Power BI Desktop document (PBIX) containing at least one report pages. Worked for profound, intelligent examination experience for given dataset channels, arranging. Each Report is associated with at least one dataset. Each page is containing at least one visuals or tiles. 

Dashboard:

It is an assortment of visuals or infographics from published datasets. Worked to total essential visuals and measurements from different datasets, a dashboard displays all information at one place. 

 

  1. How is information security executed in Power BI?  Continue Reading

No comments:

Post a Comment