Question 1

What is the process of creating relationships between different data sources in Power BI called?

Accepted Answer

Data Modeling

Answer

Data Consolidation

Answer

Data Integration

Answer

Data Merging

Question 2

According to the video, what is the advantage of data modeling in Power BI over using VLOOKUP in Excel?

Accepted Answer

It allows creating relationships between different data sources without writing formulas.

Answer

It can handle data from more than two sources.

Answer

It works faster for small datasets.

Answer

It is easier to remember the functions involved.

Question 3

In the video, what was the name of the add-in that already existed in Excel for over 12 years before Power BI was introduced?

Accepted Answer

Power Pivot

Answer

Data Modeler

Answer

Power Query

Answer

Power BI Desktop

Question 4

Which of the following statements about creating relationships in Power BI is FALSE according to the video?

Accepted Answer

Relationships are automatically created between tables with identically named columns.

Answer

Data modeling can be used to combine data from Excel files, CSV files, and other data sources.

Answer

You can manually create relationships between tables with different column names.

Answer

Power BI treats all data sources as queries, regardless of their original format (Excel, CSV, etc.).

Question 5

In the scenario presented in the video, how many data sources were used to create the final report in Power BI?

Accepted Answer

3 (Products Excel file, Sales CSV file, Territories CSV file)

Answer

2 (An Excel file and a CSV file)

Answer

4 (More than 3 data sources were used)

Answer

1 (A single Excel file containing all the data)

Question 6

What is the main purpose of using the Data View in Power BI according to the video?

Accepted Answer

To see the structure of the data tables loaded into the model.

Answer

To manage the refresh settings for the data sources.

Answer

To create visualizations of the data.

Answer

To write DAX functions for data manipulation.

Question 7

Based on the video, which of the following is the BEST way to describe Power Pivot?

Accepted Answer

A tool within Excel and Power BI that allows creating data models by establishing relationships between tables.

Answer

A separate software program for data analysis completely unrelated to Excel or Power BI.

Answer

A function within Excel used for data validation and cleaning.

Answer

A cloud-based data storage solution offered by Microsoft.

Question 8

In the video, the speaker mentioned feeling afraid of data modeling when they first started learning. What was the main reason behind this feeling?

Accepted Answer

The complexity of the name "data modeling" and the lack of understanding of the concept.

Answer

The difficulty of using VLOOKUP functions for data manipulation.

Answer

The high cost of data modeling software.

Answer

The need to learn a new programming language.

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