Question 1

What is the purpose of creating a copy of the date table in this video?

Accepted Answer

To generate a range of dates based on slicer selection without affecting the original date table.

Answer

To filter the sales table based on the slicer selection.

Answer

To store the maximum date in the current context.

Answer

To create a new relationship with the sales table.

Question 2

How does the measure ensure that the previous date range is evaluated based on slicer selection?

Accepted Answer

By removing the existing filter on the original date table and keeping filters on the newly created date range.

Answer

By using the DATESBETWEEN function in DAX.

Answer

By creating an inactive relationship between the new and original date tables.

Answer

By using the EARLIER function in DAX.

Question 3

What is the benefit of using a numeric parameter instead of a hard-coded value in the measure?

Accepted Answer

It allows users to dynamically specify the number of previous months to be shown.

Answer

It reduces the size of the Power BI file.

Answer

It improves the performance of the DAX formula.

Answer

It makes the measure easier to understand.

Question 4

What is the function of the SELECTEDVALUE function in the context of this video?

Accepted Answer

It retrieves the value selected from the numeric parameter for previous months.

Answer

It filters the sales table based on the slicer selection.

Answer

It creates a variable to store the maximum date in the current context.

Answer

It activates the relationship between the new and original date tables.

Question 5

How does the field parameter allow users to dynamically change the measures on the visual?

Accepted Answer

By enabling users to select between sales, profit, and quantity measures to be displayed on the chart.

Answer

By changing the date range based on the slicer selection.

Answer

By activating the relationship between the new and original date tables.

Answer

By filtering the data based on specific criteria.

Question 6

What are two important things to consider when using this technique to show previous months' values based on slicer selection?

Accepted Answer

1. Deactivating the relationship between the new and original date tables initially. 2. Using the PERIOD function from the new date table in the X-axis of the visual.

Answer

1. Using a parameter to select the measures to be displayed. 2. Using EARLIER function in DAX.

Answer

1. Creating a copy of the date table. 2. Using a slicer to select the desired date range.

Answer

1. Using a static measure to define the number of previous months. 2. Activating the relationship between the new and original date tables directly.

Question 7

Which of the following DAX functions is used to create the previous date range in the measure?

Accepted Answer

DATESBETWEEN

Answer

PERIOD

Answer

DATESINPERIOD

Answer

EARLIER

Question 8

What type of relationship is created between the new and original date tables in this video?

Accepted Answer

Inactive one-to-many relationship

Answer

Active one-to-many relationship

Answer

Many-to-many relationship

Answer

Single relationship

Question 9

Why is it important to use a variable to store the maximum date in the current context when creating the measure?

Accepted Answer

It is not necessary to use a variable to store the maximum date in this context.

Answer

The variable is used to calculate the difference between the selected date and the previous date.

Answer

The variable is used to activate the relationship between the new and original date tables.

Answer

The variable is used to remove the existing filter on the original date table.

Question 10

What does the slicer in this video control?

Accepted Answer

The selection of dates for which previous months' values should be shown.

Answer

The activation of the relationship between the new and original date tables.

Answer

The filtering of data in the sales table.

Answer

The selection of measures to be displayed on the chart.

Related quizzes

Related quizzes