Power BI Interview Questions and Answers 2020

By Melissa

Last updated on Nov 13 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? 

 

Power BI can apply Row Level Security parts to models. A DAX articulation is applied on a table sifting its columns at question time. Dynamic security includes the utilization of USERNAME capacities in security job definitions. Normally a table is made in the model that relates clients to explicit measurements and a job. 

 

  1. What are many-to-numerous connections, and how might they be tended to in Power BI?

 

Many to Many connections include a scaffold or intersection table mirroring the blends of two measurements (for example specialists and patients). Either all potential blends or those mixes that have happened. Bi-Directional Crossfiltering connections can be utilized in PBIX. CROSSFILTER capacity can be utilized in Power Pivot for Excel. DAX can be utilized per metric to check and alternatively adjust the channel setting. 

 

 

  1. What is the Power BI Publisher for Excel? 

 

The Power BI publisher for Excel works smoothly with Microsoft Excel to help users prepare graphs, charts, and other datasets. After creating such datasets, users will be able to share their excel workbooks and files on the cloud. After sharing in the cloud, only people with the required permissions can access the stores' files. It uses software like Microsoft Azure to sync the information to various devices and make them accessible to different people. 

 

 

  1. What is Power BI Q&A? 

 

Power BI Q&A is a characteristic language apparatus which helps in questioning your information and get the outcomes you need from it. You do this by composing into an exchange box on your Dashboard, which the motor momentarily produces an answer like Power View. Questions and answers decipher your inquiries and show you a rehashed inquiry of what it is looking from your information. Questions and answers were created by Server and Tools, Microsoft Research and the Bing groups to give you a total sentiment of genuinely investigating your information. 

 

  1. What is the designer software for Power BI? 

 

It is an independent application where we can make Power BI reports and afterwards transfer it to Powerbi.com, and it doesn't need Excel. As a matter of fact, it is a mix of Power Query, Power Pivot, and Power View. 

 

  1. Can you retrieve your Power BI information after uploading it on the cloud services?

 

Yes, we can invigorate our reports through Data Management gateway, and Power BI Personal gateway.

 

  1. What are the various sorts of reviving information for our distributed reports? 

 

There are four primary kinds of reviving in Power BI. Bundle invigorate, model or information revive, tile revive, and visual compartment revive. 

  • Bundle invigorate 

This synchronizes your Power BI Desktop, or Excel, document between the Power BI administration and OneDrive, or SharePoint Online. Notwithstanding, this doesn't pull information from the first information source. The dataset in Power BI may be refreshed with what is in the document inside OneDrive, or SharePoint Online.

  • Model/information invigorate 

It refers to invigorating the dataset, inside the Power BI administration, with information from the first information source. This is finished by either utilizing planned revive, or invigorate now. This requires an entryway for on-premises information sources. 

  • Visual revive 

Visual invigorate refreshes the reserve for tile visuals, on the dashboard when information changes. This occurs about like clockwork. You can likewise drive a tile to revive by choosing the ellipsis in the upper right of a dashboard and choosing Refresh dashboard tiles. 

  • Visual compartment revive 

Invigorating the visual holder refreshes the reserved report visuals, inside a report, when the information changes. To find out about information revive and see how to actualize information invigorate, you can check the accompanying connection.

 

  1. Can users access Power BI on the premises itself? 

 

No, Power BI isn't accessible as a private, inward cloud administration. In any case, with Power BI and Power BI Desktop, you can safely associate with your own on-premises information sources. With the On-premises Data Gateway, you can associate live to your on-premises SQL Server Analysis Services and other information sources. You can likewise plan to revive with a unified door. In the event that a passage isn't accessible, you can invigorate information from on-premises information sources utilizing the Power BI Gateway Personal. 

 

  1. What are the information hotspots for Power Map? 

 

The information can either be available in Excel or could be available remotely. To set up your information, ensure the entirety of the information is in the Excel table arrangement, where each column speaks to a special record. Your section headings or line headings ought to contain text rather than real information so that Power Map will decipher it effectively when it plots the geographic directions. Utilizing important marks likewise makes worth and class fields accessible to you when you plan your visit in the Power Map Tour Editor sheet. To utilize a table structure which all the more precisely speaks to time and geology inside Power Map, remember the entirety of the information for the table lines and utilize illustrative content names in the section headings.

 

  1. Which language is utilized in Power Query? 

 

Another programming language is utilized in power inquiry called M-Code. It is anything but difficult to utilize and like different dialects. M-code is case touchy language. 

 

  1. For what reason do need Power Query in place of Power Pivot?

 

Power Query is a self-administration ETL that stands for Extract, Transform, Load instrument which runs as an Excel include. It permits clients to pull information from different sources; control said information into a structure that suits their requirements and burdens it into Excel. It is generally ideal to utilize Power Query over Power Pivot as it lets you load the information as well as control it according to the clients' needs while stacking. 

 

  1. What is the Power Map? 

 

Power Map is an Excel include that gives you a powerful arrangement of instruments to assist you with picturing and increase understanding into huge arrangements of information that have a geo-coded part. It can assist you with creating 3D representations by plotting up to 10,000,000 information focuses as section, warmth, and air pocket maps on the head of a Bing map. In the event that the information is time stepped, it can likewise create intelligent perspectives that show how the information changes over existence. 

 

  1. What is inquiry collapsing in Power Query? 

 

Query collapsing is when steps characterized in Power Query/Query Editor are converted into SQL and executed by the source information base instead of the customer machine. It's significant for preparing execution and versatility, given restricted assets on the customer machine. 

 

 

  1. Can SQL and Power Query and Query Editor be utilized together? 

 

Yes, a SQL proclamation can be characterized as the wellspring of a Power Query and M work for extra preparing and rationale. This would be a decent practice to guarantee that a proficient information base inquiry is passed to the source and evade superfluous preparing and unpredictability by the customer machine and M work. 

 

  1. Would we be able to have more than one dynamic connection between two tables in the information model of power rotate? 

 

No, we can't have more than one dynamic connection between two tables. Notwithstanding can have more than one connection between two tables; however, there will be just a single dynamic relationship and numerous dormant relationships. The dabbed lines are idle and consistent line are dynamic. 

 

  1. What is Power Pivot? 

 

Power Pivot is an include for Microsoft Excel 2010 that empowers you to import a great many columns of information from various information sources into a solitary Excel exercise manual. It lets you make connections between heterogeneous information, make determined segments and measures utilizing recipes, assemble PivotTables and PivotCharts. You would then be able to additionally dissect the information so you can settle on opportune business choices without requiring IT help. 

 

  1. What is Power Pivot Data Model? 

 

It is a model that is comprised of information types, tables, segments, and table relations. These information tables are normally developed for holding information for a business substance. 

 

  1. What is xVelocity in-memory investigation motor utilized in Power Pivot? 

 

The fundamental motor behind power turn is the xVelocity in-memory examination motor. It can deal with a huge measure of information since it stores information in columnar information bases, and in-memory investigation, which brings about quicker handling of information as it stacks all information to RAM memory.

 

  1. How can you use the different content packs in Power BI?

 

There are different Content packs that are pre-fabricated answers for well-known administrations as a feature of the Power BI experience. An endorser of an upheld administration can rapidly interface with their record from Power BI to see their information through live dashboards and intelligent reports that have been pre-worked for them. The company Microsoft has delivered content packs for famous administrations, for example, Marketo, Adobe Analytics, Azure Mobile Engagement, CircuitID, comScore Digital Analytix, Quickbooks Online, and tyGraph. These organizations take help from the Microsoft software and tweak it with their modifications to get the best out of technology. Apart from that, there are other packs like the authoritative substance packs. These Authoritative substance packs are highly beneficial for clients and organizations. Authoritative substance packs give clients, BI experts, and framework integrator the instruments to assemble their own substance packs to common software developed inside their association. 

 

 

Recommended Read:

 

Data Visualization – Benefits and Tools

 

Data Science Interview Questions and Answers

 

 

If you are aspiring to make a career in data handling, getting the Big Data Certification is a great option to gain knowledge and skills for the field. It is an industry-recognized certification with huge demand in the market. Another popular one is Big data hadoop and spark developer certification

 

To explore more career-making courses, you can visit the Sprintzeal - All Courses and for any course-related queries, you can chat with the course experts and find the training/certification that will benefit your career.

About the Author

Sprintzeal   Melissa

Technical Content Writer with Experience in Creating Content for Data Science and Other Popular Domains.

Recommended Courses

Recommended Resources

Six Sigma Black Belt Certification – Value and Career Benefits in 2020

Six Sigma Black Belt Certification – Value and Career Benefits in 2020

Article


CAPM Exam – Difficulty, Details and Preparation Tips

CAPM Exam – Difficulty, Details and Preparation Tips

Article


10 Reasons Why You Should Do PRINCE2 Certification in 2020

10 Reasons Why You Should Do PRINCE2 Certification in 2020

Article


TRENDING NOW