Introductory Power BI Interview Questions and Answers

Introduction

Power BI is a section of the whole SQL server classes course that has recently seen tremendous market growth. The people planning to ride the wave and make something out of it are going in the right direction. However, the journey can be challenging! We present the introductory Power BI interview questions and answers to prepare you for it. These shall help prepare and solidify your foundation for your Microsoft-power-BI-certification.

Q1. What is Power BI, and What Distinguishes it in The BI Market?

Ans: Microsoft’s evolving Power BI, a comprehensive business intelligence platform, has changed drastically since its start. Power BI combines both facets into a coherent and user-friendly environment, unlike other tools focusing on visualization or data analysis. It combines sophisticated analytics and robust data integration with interactive reporting, offering a perfect solution for companies using their data effectively.

Q2. How Did Power Pivot Influence the Growth of Power BI?

Ans: Power Pivot, a technology developed in 2010, was instrumental in developing Power BI. This was a milestone as it was Microsoft’s first step into complex data modeling in Excel, leading to the creation of Power BI later. Power Pivot’s capability of handling massive datasets and complicated computations formed a foundation for Power BI, allowing it to provide advanced analytics functionalities in an Excel-like environment.

Q3. What is Power BI Desktop, and How Does it Fit in the Power BI Picture?

Ans: The Power BI desktop becomes a central hub for data modeling, analysis, and report development under the Power BI environment. It works in harmony with other components, such as Power BI Service for publishing and sharing the reports and Power BI Mobile for accessing insights on the run. Such integration guarantees a seamless flow in the various phases of BI, encompassing data preparation, visualization, and information dissemination.

Q4. What are The Unique Characteristics of Power BI Service?

Ans: Power BI Service, a cloud-based platform, offers a range of features for sharing, collaboration, and consumption of BI content:

• It allows the users to publish reports and dashboards.
• Set up automatic data refreshes.
• Collaborate with team members.
• It also offers support for natural language query and mobility, enabling data insights for more people.
• It offers support for natural language query and mobility, enabling data insights for more people.

Q5. With Regards to Data Accessibility, How Does Power BI’s Mobile App Improve?

Ans: The Power BI Mobile app is an extension to the platform that allows users to use real-time reports and dashboards on their mobile devices. It enables users to work from anywhere, giving them immediate access to business-critical insights. Moreover, the app supports alerts and notifications, thus informing the user on crucial data changes or trends.

Q6. Explain The Importance of Power Query in Power BI?

Ans: With Power Query as a critical feature of Power BI, the data ingestion and transformation process becomes straightforward. It provides connections to different data sources and offers a user-friendly interface for cleansing and transforming data and integrating it into the Power BI models. This instrument democratizes data preparation by empowering people with different skills to develop robust data models without using advanced tools.

Q7. How Does Power BI’s Visualization Work?

Ans: Power BI is best at data visualization with multiple charts, graphs, and maps. The users can construct interactive reports and dashboards that transparently present the understanding of the findings. This helps the developers create user-specified and dynamic visuals with the option of streaming live data.

Q8. What is Done with Regard to Data Security and Governance in Power BI?

Ans: Power BI has robust security controls such as row-level security, data classification, and audit trails. The software comes together with Microsoft’s cloud security platform; therefore, one can be assured that data is safe during transit and while at rest. Control over data access and use can be achieved with governance tools such as usage monitoring and policy management.

Q9. What is DAX in Power BI?

Ans: Power BI employs a formula language called Data Analysis Expressions (DAX) for data modeling and analytics. It allows users to develop individual parameters and measures, giving them the ability to analyze Power BI data more effectively. DAX is essential for complex data manipulation since it enables intricate data analysis in the Power BI platform

Q10. How is AI Used in Power BI?

Ans: AI in Power BI is exemplified by functions such as automatically-generated insight, data-driven alerts, and natural language queries. In addition, through such AI capabilities as trend discovery and predictive notifications, users can deal with unknown patterns, get prompted beforehand, and work with data using natural language, greatly enhancing advanced analytics accessibility for ordinary users.

Q11. How Does Power BI Enhance Co-operation and Sharing?

Ans: Power BI encourages sharing workspaces, report publishing, and interactive dashboards for collaboration. They can write reports jointly, communicate with stakeholders, and embed BI information in-app/web. This collaborative environment facilitates the effective sharing of insights across the business.

Q12. Why is Power BI integrated with Other Microsoft Products?

Ans: The added power of Power BI is its connectivity with Microsoft products such as Excel, Azure, and Teams, which make it extremely useful in the current environment. Excel can be used for data preparation, advanced analytics with Azure, and collaboration using Teams. This smooth combination produces an interplay and a connected ecology, making workflows more accessible and increasing productivity.

Q13. Does Power BI Support Bespoke?

Ans: Power BI supports custom development with APIs and embedding. Power BI reports can easily be incorporated into the applications, and customized visuals could be created to suit developers' needs. This flexibility enables organizations to customize it according to their needs, which makes Power BI an effective BI tool.

Q14. How About Power BI’s Scalability and Performance?

Ans: The design of Power BI focuses on scalability, handling large volumes of data, and serving many users. It uses the highly performant, available Microsoft’s cloud infrastructure. Power BI allows organizations to scale their BI solutions to maintain performance even when their data and user bases are increasing.

Q15. What are The Coming Advances in Power BI?

Ans: Power BI of the future involves upgrades in AI, data integration, and better user interfaces. Microsoft's commitment to continuous improvement suggests ongoing enhancements in usability, performance, and advanced analytics features, keeping Power BI at the forefront of the BI technology landscape.

Conclusion

We hope the above 15 Microsoft-power-BI-certification interview questions and answers of the SQL course will help you confidently appear in the interview. If you are still unprepared, remember to check out our JanBask Training Microsoft-power-BI-certification course/program.