Power BI Interview Questions
What is Power BI?
A cloud-based information sharing tool, Power BI enables anybody to examine and visualize information with more noteworthy productivity, speed and comprehension. Additionally, it helps in associating clients to an extensive variety of information with the assistance of simple to-operate dashboards and interactive reports which brings data to life
What are content packs?
Content packs for administrations are pre-developed solutions for popular administrations as a feature of the Power BI experience. An endorser of a supported service can rapidly interface with their account from Power BI and see their data through live dashboards and reports that have been pre-developed for them
What are the types of Data Refresh in Power BI?
Mainly there are four different types of refresh that can happen in Power BI: Package refresh Model or data refresh Tile refresh Visual container refresh
What are the connectivity modes available in Power BI?
Mainly there are two types of connectivity modes Import DirectQuery
What are some of the filters used in Power BI reports?
Page Level Filters Visual Level Filters Drill Through Filters Report Level Filters
What is Power BI Desktop?
Power BI Desktop works well with Power BI service by giving the most advanced data visualization, modeling,and report creation with profoundly interactive visualizations. You can spare your work to a document, and distribute your information and reports ideal to your Power BI site to impart to others
What is the difference between Power BI Desktop and Power BI?
Power BI Desktop: It is a Windows application (Client) running on the PC. It is a client machine which can be connected with various data sources from your PC to the data in the local PC or the information in the server. Power BI: Power BI is a cloud solution. Can utilize internet browser to connect with Power BI. We can implement similar advancement work utilizing either Power BI OR Power BI Desktop.
What are the different components of Power BI?
Power BI Service Power Query Power Pivot Power View Power Map Data Management Gateway Power BI Q & A Data Catalog
What are the parts of Power BI?
Power BI: Power BI is a cloud-based business service. It enables the client to imagine and interpret information with higher rate, and execution. Excel BI Tool Kit: In the core of Microsoft's Power BI is the Excel BI Toolkit. This comprises of Excel and four add-ins that enable us to transfer, shape, create, and show our analyses. These components are as per the following: - Power Query: It easily investigates, access, and change public and internal information sources. - Power Pivot: It performs information modeling for in-memory analytics. - Power View: It analyzes and represents data as an interactive data visualization utilizing Power View. - Power Map: It helps in bringing information to existence with interactive visualization
What is Power Pivot?
Power Pivot helps in analyzing our data so as to settle on convenient business choices without needing IT support. It empowers us to import large scale of data from numerous data sources into a single Excel sheet. It gives us a chance to make connections between complex data. It helps us to create Pivot Tables and Pivot Charts
What is the default visual interaction in Power BI?
The default visual interaction is "Drill Mode" - When Drilling Mode is set to "on", if the aggregates are at yearly level, the drill mode allow the user to drill down to month to month, week by week, etc.
What is DAX?
The native formula and query language used to perform data analysis and for calculation in Power Pivot - Dax works on column values - Modify or insert data using DAX - The columns can be calculated but the same cannot be done for rows using DAX
What are benefits of using variables in DAX?
Variables can make more unconstrained DAX expressions which are more consistent to interpret. They can't be shared among queries or be characterized at the model level. When it is declared, the variables can be reused for various circumstances in a DAX expression, in this way staying away from extra queries of the reference or source database
