Power BI Quiz

What does a data model represent in Power BI?

• The physical storage of data

• The relationships between tables of data

• The process of data analysis

• The type of data visualizations used

Why should you use Power BI over Excel for data analysis?

• Power BI is free, while Excel requires a subscription

• Power BI offers more advanced data visualization and analysis capabilities

• Excel is faster and more efficient

• Power BI does not support data sharing

Which of the following is NOT a step in data processing?

• Data collection

• Data transformation

• Data governance

• Data analysis

What is the main difference between data analytics and data analysis?

• There is no difference; the terms are interchangeable

• Data analytics focuses on data modeling, while data analysis focuses on visualization

• Data analytics involves examining data to draw conclusions, while data analysis involves cleaning and transforming data

• Data analysis is only performed by machines, whereas data analytics is done by humans

What is the purpose of data visualization?

• To make data harder to understand

• To confuse users

• To represent data in graphical format for easier understanding

• To hide insights within the data

What is Power BI?

• An email platform

• A business analytics tool by Microsoft

• A programming language

• A social media platform

What type of analysis involves predicting future trends based on historical data?

• Descriptive analysis

• Diagnostic analysis

• Predictive analysis

• Prescriptive analysis

Which of the following is NOT a type of data visualization?

• Bar chart

• Line chart

• Data table

• Pie chart

What is the primary function of Power Query in Power BI?

• Data visualization

• Data transformation and preparation

• Data analysis

• Data modeling

How does Power BI enhance collaboration in data analysis?

• By limiting access to data

• By promoting siloed work

• By making it difficult to share insights

• By enabling easy sharing and collaboration on reports and dashboards