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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Prepare the data | 15-20% | - Clean, transform, and load data
|
| Topic 2: Deploy and maintain assets | 15-20% | - Manage workspaces and datasets
|
| Topic 3: Model the data | 30-40% | - Develop a data model
|
| Topic 4: Visualize and analyze data | 25-35% | - Create reports and dashboards
|
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NEW QUESTION # 187
You are preparing a financial report in Power BI.
You connect to the data stored in a Microsoft Excel spreadsheet by using Power Query Editor as shown in the following exhibit.
You need to prepare the data to support the following:
* Visualizations that include all measures in the data over time
* Year-over-year calculations for all the measures
Which four actions should you perform in sequence? To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.
Answer:
Explanation:
Explanation
1. Use first row as header
2. Unpivot all columns other than "Measure"
3. Rename "Attribute" to "Year"
4. Change data type of "Year" to date (Date > Year)
NEW QUESTION # 188
You have data in a Microsoft Excel worksheet as shown in the following table.
You need to use Power Query to clean and transform the dataset. The solution must meet the following requirements:
* If the discount column returns an error, a discount of 0.05 must be used.
* All the rows of data must be maintained.
* Administrative effort must be minimized.
What should you do in Power Query Editor?
Answer: D
NEW QUESTION # 189
You are profiling data by using Power Query Editor.
You have a table named Reports that contains a column named State. The distribution and quality data metrics for the data m State is shown in the following exhibit.
Use the drop-down menus to select the answer choice that completes each statement based on the information presented in the graphic.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
Explanation:
NEW QUESTION # 190
You have a Q & A visual that displays information from a table n amed Carriers as shown in the following exhibit.
You need to ensure that users can ask questions by using the term airline or carrier. The solution must minimize changes to the data model.
What should you do?
Answer: B
Explanation:
Add synonyms to tables and columns: This step applies specifically to Q & A (and not to Power BI reports in general). Users often have a variety of terms they use to refer to the same thing, such as total sales, net sales, total net sales. You can add these synonyms to tables and columns in the Power BI model.
This step can be importa nt. Even with straightforward table and column names, users of Q & A ask questions using the vocabulary that first comes to them. They ' re not choosing from a predefined list of columns. The more sensible synonyms you add, the better your users ' experience is with your report.
Reference:
https://docs.microsoft.com/en-us/power-bi/natural-language/q-and-a-best-practices
NEW QUESTION # 191
You have a Power BI report. The report contains visualizations that have interactions. You need to identify which visualizations take the longest to complete. What should you use?
Answer: A
Explanation:
Use Power BI Desktop Performance Analyzer to optimize reports.
In Power BI Desktop you can find out how each of your report elements, such as visuals and DAX formulas, are performing. Using the Performance Analyzer, you can see and record logs that measure how each of your report elements performs when users interact with them, and which aspects of their performance are most (or least) resource intensive.
Reference:
https://docs.microsoft.com/en-us/power-bi/create-reports/desktop-performance-analyzer
NEW QUESTION # 192
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