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PL-300 Exam Questions and Answers 100% Pass What is the primary purpose of Power BI Desktop? Power BI Desktop is used for data modeling, creating reports, and visualizations. It allows users to connect to data sources, transform data, and build interactive reports. How can you import dat...

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PL-300 Exam Questions and Answers
100% Pass
What is the primary purpose of Power BI Desktop?

✔✔Power BI Desktop is used for data modeling, creating reports, and visualizations. It allows

users to connect to data sources, transform data, and build interactive reports.

How can you import data into Power BI from Excel?

✔✔To import data from Excel, use the "Get Data" option in Power BI Desktop, select "Excel,"

and then choose the file and specific sheets or tables you want to import.

What is a DAX formula and its use in Power BI?

✔✔DAX (Data Analysis Expressions) is a formula language used in Power BI for creating

custom calculations, measures, and calculated columns to analyze data.

What is the difference between a calculated column and a measure in Power BI?

✔✔A calculated column is used to add new data to a table, with calculations done row by row. A

measure performs calculations on data aggregated across rows, typically used in visualizations.

1

,Explain the role of Power Query in Power BI.

✔✔Power Query is used for data extraction, transformation, and loading (ETL). It allows users

to connect to various data sources, clean and reshape data before loading it into Power BI.

What is a Power BI dataset?

✔✔A Power BI dataset is a collection of data that has been imported into Power BI, structured

for reporting and analysis, and used to create reports and dashboards.

How can you share a Power BI report with others?

✔✔You can share a Power BI report by publishing it to the Power BI Service and then sharing

the report via direct link, email, or by embedding it in an application or website.

What is the purpose of Power BI Service?

✔✔Power BI Service is an online platform for publishing, sharing, and collaborating on Power

BI reports and dashboards. It provides cloud-based data visualization and analysis capabilities.

How does a slicer enhance interactivity in Power BI reports?

✔✔A slicer is a visual filter that allows users to interactively select and filter data displayed in

reports, providing a way to drill down into specific subsets of data.

2

,What is the function of a Power BI dashboard?

✔✔A Power BI dashboard is a single-page, interactive view that consolidates key metrics and

visualizations from multiple reports and datasets, providing a high-level overview of important

data.

What are Power BI bookmarks used for?

✔✔Power BI bookmarks capture the current state of a report page, including filters, slicers, and

visuals. They are used to create interactive storytelling, save views, and navigate between

different report states.

How can you implement row-level security in Power BI?

✔✔Row-level security (RLS) is implemented by defining roles and filters within Power BI

Desktop. You create roles with specific DAX filters that restrict data visibility based on user

roles or attributes.

What is the function of a Power BI report page tooltip?

✔✔A report page tooltip provides additional context or details when users hover over a data

point in a report. It enhances user experience by offering more in-depth information without

cluttering the main report view.

3

, How do you create a relationship between two tables in Power BI?

✔✔To create a relationship between two tables, go to the "Model" view in Power BI Desktop,

drag a field from one table and drop it onto the corresponding field in the other table to establish

the relationship. Define the cardinality and cross-filter direction as needed.

What is the purpose of Power BI dataflows?

✔✔Dataflows in Power BI are used for data preparation and transformation at a more advanced

level than Power Query. They enable the reuse of data transformation processes across different

reports and datasets, centralizing data preparation tasks.

Describe how you can use the Power BI Q&A feature.

✔✔The Power BI Q&A feature allows users to ask natural language questions about their data.

Power BI interprets the query and generates visualizations or insights based on the data,

providing an interactive way to explore information.

What are custom visuals in Power BI and how can they be used?

✔✔Custom visuals are user-created or third-party visuals that extend Power BI’s standard

visualization options. They can be used to display data in unique ways not available in the

default visuals, enhancing report customization and effectiveness.

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