PowerBI Certification Exam (2023) | Questions & Answers (Graded A+)

PowerBI Certification Exam (2023) | Questions & Answers (Graded A+) PowerBI Certification Exam (2023) | Questions & Answers (Graded A+) If you want your data to automatically refresh as you interact with visualizations, which option should you choose? A) Import B) DirectQuery - ANSWER - B) DirectQuery Explanation: When you use DirectQuery, no data is imported into Power BI Desktop. As you create or interact with a visualization, PowerBI Desktop queries the underlying data source, i.e. you're always viewing current data. How do you connect to Excel files that contain target figures? The solution should involve minimum manual work when new Excel files are created. A) Connect to the files with Folder connector and use the Combine Binaries functionality. B) Connect to a new file each month, perform transformations, and use Append function in Power Query Editor to combine all targets in the same table. - ANSWER - A) Connect to the files with Folder connector and use the Combine Binaries functionality. Explanation: Connecting to files separately will take time if there are lots of files in the folder. Its always better to connect to folder if files have same structure. If you copy new files in that folder with same structure, that file will be loaded automatically without doing any change to data sources. Imagine that you have created a query named "Customers" in a PowerBI Desktop to append the rowss from three external tables with customer data into a single output table named "Customers". What would be the best approach to add a new fabricated ID column to the Customers table to ensure that every row in the "Customers" table contains a unique ID value? A) Modify the Customer query by adding a counter column. B) Modify the data model by extending the Customers table with a Counter column. C) Modify the customers query by adding an index column. D) Modify the data model by extending the Customers table with an index column. - ANSWER - C) Modify the Customers query by adding an index column.