Power BI for Data Analytics
February 21, 2025 at 05:28 AM
I have compiled some Power BI Questions
based on my own experience and discussed with the hiring managers. Here is the break down:
𝐒𝐜𝐞𝐧𝐚𝐫𝐢𝐨-𝐁𝐚𝐬𝐞𝐝 𝐐𝐮𝐞𝐬𝐭𝐢𝐨𝐧𝐬:
𝐒𝐜𝐞𝐧𝐚𝐫𝐢𝐨 1: Data Modeling for Sales Analysis:
Design a Power BI report to analyze sales performance across regions with varying levels of granularity.
𝐒𝐜𝐞𝐧𝐚𝐫𝐢𝐨 2: Year-over-Year Growth Visualization:
Illustrate year-over-year growth in product sales effectively within Power BI.
𝐒𝐜𝐞𝐧𝐚𝐫𝐢𝐨 3: Data Cleaning and Transformation:
Detail your approach to cleaning and preparing data efficiently in Power BI.
𝐒𝐜𝐞𝐧𝐚𝐫𝐢𝐨 4: Real-time Data Integration:
Implement and manage live data connections for real-time insights in Power BI reports.
𝐒𝐜𝐞𝐧𝐚𝐫𝐢𝐨 5: Performance Optimization:
Diagnose and address performance issues to optimize Power BI report loading and refreshing times.
𝐁𝐚𝐬𝐢𝐜 𝐏𝐨𝐰𝐞𝐫 𝐁𝐈 𝐂𝐨𝐧𝐜𝐞𝐩𝐭𝐬:
1. Can you walk me through your experience with Power BI and how you've used it in your previous roles?
2. What are some key benefits of using Power BI for data analysis and visualization?
3. Can you explain the difference between Power BI Desktop and Power BI Service?
4. How do you handle large datasets in Power BI to ensure optimal performance?
5. Have you utilized Power BI's data modeling capabilities in your projects? If so, can you provide an example?
6. What strategies do you employ for data cleansing and manipulation in Power BI?
7. Can you discuss a challenging data visualization problem you've encountered in Power BI and how you solved it?
8. How do you approach creating interactive dashboards in Power BI to meet user requirements?
9. Have you worked with Power BI's integration with other Microsoft tools like Excel or SQL Server? If so, can you elaborate on your experience?
10. How do you stay updated with new features and updates in Power BI?
11. Can you provide an example of a complex calculation you've implemented using DAX in Power BI?
12. What are some common pitfalls to avoid when designing Power BI reports and dashboards?
13. How do you ensure data security and compliance when working with sensitive data in Power BI?
14. Have you worked on any projects involving real-time data streaming in Power BI? If so, how did you set it up?
15. Can you discuss a time when you had to troubleshoot and resolve a technical issue in Power BI?
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