Power BI Fundamentals Quiz for Aspiring Analysts Quiz

Test your understanding of key Power BI concepts and terminology as you prepare for interviews in data analytics roles. This quiz is tailored for beginners and job seekers making a career switch.

1. Power BI Introduction

   Which of the following best describes Power BI?

   1. A web browser for surfing the Internet
   2. A tool for creating interactive data reports and dashboards
   3. A word processing program for editing text documents
   4. A database management system for storing big data
   5. A programming language used for web development

2. Power BI Components

   Which component is used to design and build reports on your computer before publishing them in Power BI?

   1. Power Deckstop
   2. Power BI Cloud
   3. Power BI Desktop
   4. Power BI Viewer
   5. Power Query Online

3. Connecting Data to Power BI

   What is the standard option you use in Power BI to connect to various data sources, such as files and databases?

   1. Fetch Table
   2. Collect Info
   3. Import Source
   4. Add Dataset
   5. Get Data

4. Dashboards vs Reports

   What is the difference between a dashboard and a report in Power BI?

   1. Dashboards are for editing data; reports are for deleting data
   2. A dashboard contains only raw data; a report has only charts
   3. Dashboards can only be created in Excel; reports only in Power BI
   4. A dashboard is a file; a report is a folder
   5. A dashboard shows key metrics on one page; a report can have multiple pages with visuals

5. Data Modeling Basics

   What is a 'relationship' in Power BI data models?

   1. A type of Power Query step
   2. A relationship is a report refresh setting
   3. A connection between tables based on related columns
   4. A backup of your Power BI files
   5. A group of formatted visuals

6. DAX in Power BI

   What does DAX stand for and why is it used in Power BI?

   1. Data Array Extraction, for importing data
   2. Data Analytics Export, for saving files
   3. Data Analysis Expressions, used for creating calculations and measures
   4. Direct Access XML, for data export
   5. Document Analytics Exchange, to share dashboards

7. Visualization Features

   Which of the following is an example of a visualization you can create in Power BI?

   1. A code editor for programming
   2. A password-protected folder
   3. A printed flyer for advertising
   4. A bar chart comparing monthly sales
   5. A login system for an application

8. Refreshing Data

   What does 'refreshing data' in Power BI mean?

   1. Updating reports with the latest information from connected data sources
   2. Restarting your computer
   3. Formatting all visuals to a new theme
   4. Exporting your dashboard to a spreadsheet
   5. Deleting previous datasets from storage

9. Power Query Purpose

   What is the main use of Power Query in Power BI?

   1. Presenting data in 3D virtual reality
   2. Printing dashboards as booklets
   3. Making phone calls from the dashboard
   4. Transforming and cleaning imported data before analysis
   5. Compiling programming code

10. Sharing and Collaboration

    How does Power BI allow users to share reports with others in their organization?

    1. By saving screenshots of their dashboards
    2. By publishing reports to the Power BI Service for online access
    3. By encrypting files with passwords
    4. By sharing private login credentials
    5. By sending physical copies in the mail