Microsoft DP-500 Designing and Implementing Enterprise-Scale Analytics Solutions Using Microsoft Azure and Microsoft Power BI Online Training

Topic 1, Litware, Inc.

Overview

Litware, Inc. is a retail company that sells outdoor recreational goods and accessories. The company sells goods both online and at its stores located in six countries.

Azure Resources

Litware has the following Azure resources:

• An Azure Synapse Analytics workspace named synapseworkspace1

• An Azure Data Lake Storage Gen2 account named datalake1 that is associated with synapseworkspace1

• A Synapse Analytics dedicated SQL pool named SQLDW

Dedicated SQL Pool

SQLDW contains a dimensional model that contains the following table.

SQLDW contains the following additional tables.

SQLDW contains a view named dbo.CustomerPurchases that creates a distinct list of values from dbo.Customer [customeriD], dbo.Customer

[CustomerEmail], dbo.ProductfProductID] and dbo.Product[ProductName].

The sales data in SQLDW is updated every 30 minutes. Records in dbo.SalesTransactions are updated in SQLDW up to three days after being created. The records do NOT change after three days.

Power BI

Litware has a new Power Bl tenant that contains an empty workspace named Sales Analytics.

All users have Power B1 Premium per user licenses.

IT data analysts are workspace administrators. The IT data analysts will create datasets and reports.

A single imported dataset will be created to support the company’s sales analytics goals. The dataset will be refreshed every 30 minutes.

Analytics Goals

Litware identifies the following analytics goals:

• Provide historical reporting of sales by product and channel over time.

• Allow sales managers to perform ad hoc sales reporting with minimal effort.

• Perform market basket analysis to understand which products are commonly purchased in the same transaction.

• Identify which customers should receive promotional emails based on their likelihood of purchasing promoted products.

Litware plans to monitor the adoption of Power Bl reports over time. The company wants custom Power Bl usage reporting that includes the percent change of users that view reports in the Sales Analytics workspace each month.

Security Requirements

Litware identifies the following security requirements for the analytics environment:

• All the users in the sales department and the marketing department must be able to see Power B1 reports that contain market basket analysis and data about which customers are likely to purchase a product.

• Customer contact data in SQLDW and the Power B1 dataset must be labeled as Sensitive. Records must be kept of any users that use the sensitive data.

• Sales associates must be prevented from seeing the CustomerEmail column in Power B1 reports.

• Sales managers must be prevented from modifying reports created by other users.

Development Process Requirements

Litware identifies the following development process requirements:

• SQLDW and datalake1 will act as the development environment. Once feature development is complete, all entities in synapseworkspace1 will be promoted to a test workspace, and then to a production workspace.

• Power Bl content must be deployed to test and production by using deployment pipelines.

• All SQL scripts must be stored in Azure Repos.

The IT data analysts prefer to build Power Bl reports in Synapse Studio.

DRAG DROP

You need to implement object-level security (OLS) in the Power Bl dataset for the sales associates.

Which three 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.

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Correct Answer:

What should you configure in the deployment pipeline?

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HOTSPOT

You need to populate the Customers With Product Score table.

How should you complete the stored procedure? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.

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Correct Answer:

Explanation:

Box 1: FLOAT

Identify which customers should receive promotional emails based on their likelihood of purchasing promoted products.

FLOT is used in the last statement of the code: WITH (score FLOAT) as p;

From syntax: MODEL

The MODEL parameter is used to specify the model used for scoring or prediction. The model is specified as a variable or a literal or a scalar expression.

Box 2: dbo.CustomerWithProductScore

Identify which customers should receive promotional emails based on their likelihood of purchasing promoted products.

Only table CustomerWithProductScore has the required filed score.

From the syntax:

DATA

The DATA parameter is used to specify the data used for scoring or prediction. Data is specified in the form of a table source in the query. Table source can be a table, table alias, CTE alias, view, or table-valued function.

Reference: https://docs.microsoft.com/en-us/sql/t-sql/queries/predict-transact-sql

DRAG DROP

You need to create the customized Power Bl usage reporting. The Usage Metrics Report dataset has already been created. The solution must minimize development and administrative effort.

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.

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Correct Answer:

Explanation:

Step 1: From powerbi.com, create a new report.

The company wants custom Power BI usage reporting that includes the percent change of users that view reports in the Sales Analytics workspace each month.

Step 2: Add a report measure

Measures are used in some of the most common data analyses. Simple summarizations such as sums, averages, minimum, maximum and counts can be set through the Fields well. The calculated results of measures are always changing in response to your interaction with your reports, allowing for fast and dynamic ad-hoc data exploration.

Step 3: Add visuals to the report

Step 4: Publish the report to the Sales Analytics workspace

Reference: https://docs.microsoft.com/en-us/power-bi/transform-model/desktop-measures

You need to configure the Sales Analytics workspace to meet the ad hoc reporting requirements.

What should you do?

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You need to recommend a solution to ensure that sensitivity labels are applied. The solution must minimize administrative effort.

Which three actions should you include in the recommendation? Each correct answer presents part of the solution. NOTE: Each correct selection is worth one point.

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How should you configure the Power BI dataset refresh for the dbo.SalesTransactions table?

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HOTSPOT

You need to create a measure to count orders for the market basket analysis.

How should you complete the DAX expression? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.

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Correct Answer:

Topic 2, Contoso, Ltd

Overview

Contoso, Ltd. is a company that sells enriched financial data to a variety of external customers.

Contoso has a main office in Los Angeles and two branch offices in New York and Seattle.

Data Infrastructure

Contoso has a 50-TB data warehouse that uses an instance of SQL Server on Azure Virtual Machines.

The data warehouse populates an Azure Synapse Analytics workspace that is accessed by the external customers. Currently, the customers can access alt the data.

Contoso has one Power Bl workspace named FinData that contains a single dataset. The dataset

contains financial data from around the world. The workspace is used by 10 internal users and one external customer. The dataset has the following two data sources: the data warehouse and the Synapse Analytics serverless SQL pool.

Users frequently query the Synapse Analytics workspace by using Transact-SQL.

User Problems

Contoso identifies the following user issues:

• Some users indicate that the visuals in Power Bl reports are slow to render when making filter selections.

• Users indicate that queries against the serverless SQL pool fail occasionally because the size of tempdb has been exceeded.

• Users indicate that the data in Power Bl reports is stale. You discover that the refresh process of the Power Bl model occasionally times out

Planned Changes

Contoso plans to implement the following changes:

• Into the existing Power Bl dataset, integrate an external data source that is accessible by using the REST API.

• Build a new dataset in the FinData workspace by using data from the Synapse Analytics dedicated SQL pool.

• Provide all the customers with their own Power Bl workspace to create their own reports. Each workspace will use the new dataset in the FinData workspace.

• Implement subscription levels for the customers. Each subscription level will provide access to specific rows of financial data.

• Deploy prebuilt datasets to Power Bl to simplify the query experience of the customers.

• Provide internal users with the ability to incorporate machine learning models loaded to the dedicated SQL pool.

You need to recommend a solution to add new fields to the financial data Power Bl dataset with data

from the Microsoft SQL Server data warehouse.

What should you include in the recommendation?

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You need to recommend a solution for the customer workspaces to support the planned changes.

Which two configurations should you include in the recommendation? Each correct answer presents part of the solution. NOTE: Each correct selection is worth one point.

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DRAG DROP

You need to integrate the external data source to support the planned changes.

Which three 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.

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Correct Answer:

DRAG DROP

You need to create Power BI reports that will display data based on the customers’ subscription level.

Which three 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.

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Correct Answer:

Explanation:

Step 1: Create row-level security (RLS) roles

Create roles

Note: Provide all the customers with their own Power BI workspace to create their own reports. Each workspace will use the new dataset in the FinData workspace. Implement subscription levels for the customers. Each subscription level will provide

access to specific rows of financial data.

Deploy prebuilt datasets to Power BI to simplify the query experience of the customers.

Step 2: Create a DAX expression

Consider a model with two roles: The first role, named Workers, restricts access to all

Payroll table rows by using the following rule expression:

FALSE()

Note: A rule will return no table rows when its expression evaluates to false.

Yet, a second role, named Managers, allows access to all Payroll table rows by using the following rule expression:

TRUE()

Take care: Should a report user map to both roles, they’ll see all Payroll table rows.

Step 3: Add members to row-level security (RLS) roles Configure role mappings

Once [the model is] published to Power BI, you must map members to dataset roles.

Reference: https://docs.microsoft.com/en-us/power-bi/guidance/rls-guidance

You need to identify the root cause of the data refresh issue.

What should you use?

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Which two possible tools can you use to identify what causes the report to render slowly? Each correct answer presents a complete solution. NOTE: Each correct selection is worth one point.

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You need to recommend a solution to resolve the query issue of the serverless SQL pool. The solution must minimize impact on the users.

What should you in the recommendation?

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HOTSPOT

You need to build a Transact-SQL query to implement the planned changes for the internal users.

How should you complete the Transact-SQL query? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.

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Correct Answer:

Explanation:

Box 1: PREDICT

Provide internal users with the ability to incorporate machine learning models loaded to the dedicated SQL pool.

The example below shows a sample query using prediction function. An additional column with name Score and data type float is created containing the prediction results. All the input data columns as well as output prediction columns are available to display with the select statement.

— Query for ML predictions SELECT d.*, p.Score

FROM PREDICT(MODEL = (SELECT Model FROM Models WHERE Id = 1), DATA = dbo.mytable AS d, RUNTIME = ONNX) WITH (Score float) AS p;

Box 2: WITH

Reference: https://docs.microsoft.com/en-us/azure/synapse-analytics/sql-data-warehouse/sql-data-warehouse-predict

Topic 3, Fabrikam, Inc.

Overview

Fabrikam, Inc. is a software company that develops educational software for higher education.

Fabrikam has the following business units:

• Finance and Accounting

• Sales and Marketing

• Operations

• Product

The Product business unit contains the following groups:

• User experience designers

• Software engineers

• Product managers

• Testers

The Operations business unit contains an information technology (IT) group. The IT group contains an enterprise analytics team and an information security team.

Fabrikam has three Azure Synapse Analytics workspaces named workspace! prod, workspace 1 test, and workspaceldev. Each workspace is connected to an Azure Data Lake Storage account and contains a lake database that is accessed by using the built-in serverless SQL pool. The data in the Data Lake Storage accounts is available in the lake databases for analysts from every business unit to query and analyze by using Power Bl.

The company imports the following files into the Data Lake Storage accounts:

• User experience data stored as JSON files

• Finance data stored as CSV files

• Sales data stored as CSV files

Fabrikam has a Power Bl tenant that contains 30 workspaces in Pro license mode. The data in the workspaces is a mix of Import and DirectQuery datasets. All reports are interactive.

Fabrikam has three frequently used workspaces as shown in the following table.

The Corporate Data Models workspace contains a dataset named Financial Model that is used by reports in the P&L workspace. Financial Model is maintained by the enterprise analytics team. The Corporate Data Models workspace and the User Experience workspace have corresponding development and test workspaces.

Administrators report an increase in the maintenance of Power Bl tenant assets due to analysts in the Finance and Accounting business unit who create new Power Bl datasets when the existing datasets already meet their needs.

Analysts in the Product business unit report the following issues:

• Datasets are published to the User Experience workspace, while the data sources reference workspace! test.

• The parsing of user experience data in Power Query is very slow.

The enterprise analytics team identifies two DAX measures in the Financial Model dataset that are consistently slow to execute. The team must identify all the reports that use the Financial Model dataset and notify the report owners of changes to the measures.

Members of the enterprise analytics team report that creating Power Bl reports and adjusting tables and views in Azure Synapse is tedious because they must switch between the Power Bl workspaces and the Azure Synapse workspaces.

The information security team identifies that the user experience data is being shared externally.

Fabrikam plans to implement the following changes:

• Power Bl will be registered as a data source in Microsoft Purview.

• The analysts in the Product business unit will create a more automated process for deploying Power Bl reports and datasets to the User Experience workspace.

The enterprise analytics team plans to perform the following tasks:

• Update the DAX calculations in the Financial Model dataset.

• Create views in the Azure Synapse workspaces to speed up the parsing of user experience data.

• Create and document the change management process for shared Power Bl datasets.

From Microsoft Purview, analysts in all the business units must be able to see all the assets in the Power Bl tenant and the Azure Synapse workspaces. Power Bl asset information must include lineage to identify the data sources used by each report.

The information security team must identify all the Power Bl reports and datasets that contain Personally Identifiable Information (Pll).

Fabrikam requires a security solution for the Power Bl tenant.

The solution must meet the following requirements:

• Access to the tenant by external users must be approved by a manager and granted by the IT group.

• The external users must be prevented from publishing or modifying content in the tenant

• Users must be prevented from sharing Power Bl reports publicly to the internet.

The new process for deploying Power Bl reports and datasets to the User Experience workspace must ensure that the datasets point to the lake database to which the relevant dataset is deployed. The views in each lake database must present the data in a tabular format.

The enterprise analytics team needs to notify the report owners of the planned changes. The solution must minimize administrative effort.

What should the team do?

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You need to recommend a solution for the analysts in the Finance and Accounting business unit to mitigate the increase in maintenance of their assets in the Power Bl tenant.

Which two actions should you recommend? Each correct answer presents part of the solution. NOTE: Each correct selection is worth one point.

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HOTSPOT

You need to recommend a security solution for the Power Bl tenant to control external data sharing.

The solution must meet the technical requirements.

What should you recommend? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.

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Correct Answer:

HOTSPOT

The enterprise analytics team needs to create a view for the survey response data. The solution must meet the technical requirements.

How should you complete the code? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.

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Correct Answer:

DRAG DROP

You need to ensure that the new process for deploying reports and datasets to the User Experience workspace meets the technical requirements.

Which three 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.

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Correct Answer:

The enterprise analytics team needs to resolve the DAX measure performance issues.

What should the team do first?

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You need to optimize the workflow for the creation of reports and the adjustment of tables by the enterprise analytics team.

What should you do?

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You need to meet the technical requirements for deploying reports and datasets to the User Experience workspace.

What should you do?

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You need to recommend changes to the Power Bl tenant to meet the technical requirements for external data sharing.

Which tenant setting should you recommend disabling?

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The group registers the Power Bl tenant as a data source1.

You need to ensure that all the analysts can view the assets in the Power Bl tenant The solution must meet the technical requirements for Microsoft Purview and Power BI.

What should you do?

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Topic 4, Misc. Questions

You develop a solution that uses a Power Bl Premium capacity. The capacity contains a dataset that is expected to consume 50 GB of memory.

Which two actions should you perform to ensure that you can publish the model successfully to the Power Bl service? Each correct answer presents part of the solution. NOTE: Each correct selection is worth one point.

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DRAG DROP

You have a Power Bl dataset that contains the following measures:

• Budget

• Actuals

• Forecast

You create a report that contains 10 visuals.

You need provide users with the ability to use a slicer to switch between the measures in two visuals only.

You create a dedicated measure named cg Measure switch.

How should you complete the DAX expression for the Actuals measure? To answer, drag the appropriate values to the targets. Each value may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content. NOTE: Each correct selection is worth one point.

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Correct Answer:

Explanation:

Box 1: SELECTEDMEASURENAME()

SELECTEDMEASURENAME is used by expressions for calculation items to determine the measure that is in context by name.

Syntax: SELECTEDMEASURENAME()

No parameters.

Example:

The following calculation item expression checks if the current measure is Expense Ratio and conditionally applies calculation logic. Since the check is based on a string comparison, it is not subject to formula fixup and will not benefit from object renaming being automatically reflected. For a similar comparison that would benefit from formula fixup, please see the ISSLECTEDMEASURE function instead.

IF (

SELECTEDMEASURENAME = "Expense Ratio",

SELECTEDMEASURE (),

DIVIDE ( SELECTEDMEASURE (), COUNTROWS ( DimDate ) )

)

Box 2: SELECTEDVALUE()

SELECTEDVALUE returns the value when the context for columnName has been filtered down to one distinct value only. Otherwise returns alternateResult.

Syntax:

SELECTEDVALUE(<columnName>[, <alternateResult>])

M1, M2, … – A list of measures.

Reference:

https://docs.microsoft.com/en-us/dax/selectedmeasurename-function-dax

https://docs.microsoft.com/en-us/dax/selectedvalue-function

You have a Power Bi workspace named Workspacel in a Premium capacity. Workspacel contains a dataset.

During a scheduled refresh, you receive the following error message: "Unable to save the changes since the new dataset size of 11,354 MB exceeds the limit of 10,240 MB."

You need to ensure that you can refresh the dataset.

What should you do?

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You have a dataset that contains a table named UserPermissions. UserPermissions contains the following data.

You plan to create a security role named User Security for the dataset. You need to filter the dataset based on the current users.

What should you include in the DAX expression?

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You have a Power Bl dataset that uses DirectQuery against an Azure SQL database.

Multiple reports use the dataset.

A database administrator reports that too many queries are being sent from Power Bl to the database.

You need to reduce the number of queries sent to the database.

The solution must meet the following requirements:

• DirectQuery must continue to be used.

• Visual interactions in all the reports must remain as they are configured currently.

• Consumers of the reports must only be allowed to apply filters from the Filter pane.

Which two settings should you select? Each correct answer presents part of the solution. NOTE: Each correct selection is worth one point.

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DRAG DROP

You have a Power Bl dataset that contains two tables named Table1 and Table2. The dataset is used by one report.

You need to prevent project managers from accessing the data in two columns in Table1 named Budget and Forecast.

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.

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Correct Answer:

Explanation:

Step 1: From Power BI Desktop, create a role named Project Managers.

Create roles

You can define roles within Power BI Desktop.

Step 2: Open Tabular Editor

Under Tables, select the table to which you want to apply a DAX rule.

In the Table filter DAX expression box, enter the DAX expressions. This expression returns a value of true or false. For example: [Entity ID] = “Value”.

Step 3: From Power BI Desktop, add a DAX filter to the Project Managers role.

Step 4: For Table1, the Budget and Forecast columns, set the permissions to None.

Reference: https://docs.microsoft.com/en-us/power-bi/guidance/rls-guidance

You have a Power Bl data model.

You need to refresh the data from the source every 15 minutes.

What should you do first?

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HOTSPOT

You are configuring an aggregation table as shown in the following exhibit.

The detail table is named FactSales and the aggregation table is named FactSales(Agg).

You need to aggregate SalesAmount for each store.

Which type of summarization should you use for SalesAmount and StoreKey? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.

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Correct Answer:

Explanation:

Box 1: Sum

The Manage aggregations dialog shows a row for each column in the table, where you can specify the aggregation behavior. In the following example, queries to the Sales detail table are internally redirected to the Sales Agg aggregation table.

Box 2: GroupBy

Reference: https://docs.microsoft.com/en-us/power-bi/transform-model/aggregations-advanced

DRAG DROP

You have a Power Bl dataset. The dataset contains data that is updated frequently.

You need to improve the performance of the dataset by using incremental refreshes.

Which four actions should you perform in sequence to enable the incremental refreshes? To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.

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Correct Answer:

Explanation:

Step 1: Create RangeStart and RangeEnd parameters.

Create parameters

In this task, use Power Query Editor to create RangeStart and RangeEnd parameters with default values. The default values apply only when filtering the data to be loaded into the model in Power BI Desktop. The values you enter should include only a small amount of the most recent data from your data source. When published to the service, these values are overridden by the incremental refresh policy.

Step 2: Apply a custom Date/Time filter to the data.

Filter data

With RangeStart and RangeEnd parameters defined, apply a filter based on conditions in the RangeStart and RangeEnd parameters.

Before continuing with this task, verify your source table has a date column of Date/Time data type.

Step 3: Define the incremental refresh policy for the table.

Define policy

After you’ve defined RangeStart and RangeEnd parameters, and filtered data based on those parameters, you define an incremental refresh policy. The policy is applied only after the model is published to the service and a manual or scheduled refresh operation is performed.

Step 4: Publish the model to the Power BI service.

Save and publish to the service

When your RangeStart and RangeEnd parameters, filtering, and refresh policy settings are complete, be sure to save your model, and then publish to the service.

Reference: https://docs.microsoft.com/en-us/power-bi/connect-data/incremental-refresh-configure

You are configuring a Power Bl report for accessibility as shown in the following table.

You need to change the default colors of all three visuals to make the report more accessible to users who have color vision deficiency.

Which two settings should you configure in the Customize theme window? Each correct answer presents part of the solution. NOTE: Each correct selection is worth one point.

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You are creating a Python visual in Power Bl Desktop.

You need to retrieve the value of a column named Unit Price from a DataFrame.

How should you reference the Unit Price column in the Python code?

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DRAG DROP

You are using DAX Studio to query an XMLA endpoint.

How should you complete the DAX expression? To answer, drag the appropriate values to the targets. Each value may be used once, more than once. may need to drag the split bar between panes or scroll to view content. NOTE: Each correct selection is worth one point.

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Correct Answer:

Explanation:

Box 1: CALCULATE

Box 2: CURRENTGROUP

CURRENTGROUP returns a set of rows from the table argument of a GROUPBY expression that belong to the current row of the GROUPBY result.

Remarks

This function can only be used within a GROUPBY expression.

This function takes no arguments and is only supported as the first argument to one of the following aggregation functions: AVERAGEX, COUNTAX, COUNTX, GEOMEANX, MAXX, MINX, PRODUCTX,

STDEVX.S, STDEVX.P, SUMX, VARX.S, VARX.P.

Note: COUNTX counts the number of rows that contain a non-blank value or an expression that evaluates to a non-blank value, when evaluating an expression over a table.

Reference: https://docs.microsoft.com/en-us/dax/currentgroup-function-dax

HOTSPOT

You have the following code in an Azure Synapse notebook.

Use the drop-down menus to select the answer choice that completes each statement based on the information presented in the code. NOTE: Each correct selection is worth one point.

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Correct Answer:

Explanation:

Box 1: three scatterplots

Compare Plots

Example, Draw two plots on the same figure:

import matplotlib.pyplot as plt

import numpy as np

#day one, the age and speed of 13 cars:

x = np.array([5,7,8,7,2,17,2,9,4,11,12,9,6])

y = np.array([99,86,87,88,111,86,103,87,94,78,77,85,86])

plt.scatter(x, y)

#day two, the age and speed of 15 cars:

x = np.array([2,2,8,1,15,8,12,9,7,3,11,4,7,14,12])

y = np.array([100,105,84,105,90,99,90,95,94,100,79,112,91,80,85])

plt.scatter(x, y)

plt.show()

Result:

Box 2: three marker symbols

One for each scatterplot. One default, and two defined.

Default is point.

v is triangle down.

^ is triangle up.

Reference:

https://www.w3schools.com/python/matplotlib_scatter.asp

https://matplotlib.org/stable/api/markers_api.html

HOTSPOT

You have the following code in an Azure Synapse notebook.

Use the drop-down menus to select the answer choice that completes each statement based on the information presented in the code. NOTE: Each correct selection is worth one point.

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Correct Answer:

Explanation:

Box 1: stacked bar chart

matplotlib.pyplot.bar makes a bar plot.

The bars are positioned at x with the given alignment. Their dimensions are given by height and width. The vertical baseline is bottom (default 0).

Many parameters can take either a single value applying to all bars or a sequence of values, one for each bar.

Stacked bars can be achieved by passing individual bottom values per bar.

Stacked bar chart

This is an example of creating a stacked bar plot with error bars using bar. Note the parameters yeer used for error bars, and bottom to stack the women’s bars on top of the men’s bars.

import matplotlib.pyplot as plt

labels = [‘G1’, ‘G2’, ‘G3’, ‘G4’, ‘G5’]

men_means = [20, 35, 30, 35, 27]

women_means = [25, 32, 34, 20, 25]

men_std = [2, 3, 4, 1, 2]

women_std = [3, 5, 2, 3, 3]

width = 0.35 # the width of the bars: can also be len(x) sequence

fig, ax = plt.subplots()

ax.bar(labels, men_means, width, yerr=men_std, label=’Men’)

ax.bar(labels, women_means, width, yerr=women_std, bottom=men_means, label=’Women’)

ax.set_ylabel(‘Scores’)

ax.set_title(‘Scores by group and gender’)

ax.legend()

plt.show()

Box 2: two items

Blue item and Green Item.

matplotlib.legend

The legend module defines the Legend class, which is responsible for drawing legends associated with axes and/or figures.

Note: A Diagram Legend is an element that you can add to your diagram to provide information about the colors and/or line thicknesses and styles that have been used in the current diagram, where those colors and other styles have some particular meaning.

https://matplotlib.org/stable/gallery/lines_bars_and_markers/bar_stacked.html

https://matplotlib.org/stable/api/legend_api.html

You have a Power Bl report that contains one visual.

You need to provide users with the ability to change the visual type without affecting the view for other users.

What should you do?

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You have a Power Bl report that contains the visual shown in the following exhibit.

You need to make the visual more accessible to users who have color vision deficiency.

What should you do?

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HOTSPOT

You are creating a Power Bl Desktop report.

You add a Python visual to the report page.

You plan to create a scatter chart to visualize the data.

You add Python code to the Python script editor.

You need to create the scatter chart.

How should you complete the Python code? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.

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Correct Answer:

Explanation:

Box 1: matplotlib.pyplot

Create a scatter plot

Let’s create a scatter plot to see if there’s a correlation between age and weight.

Under Paste or type your script code here, enter this code:

import matplotlib.pyplot as plt

dataset.plot(kind=’scatter’, x=’Age’, y=’Weight’, color=’red’)

plt.show()

Box 2: chart.show()

Reference: https://docs.microsoft.com/en-us/power-bi/connect-data/desktop-python-visuals#create-a-scatter-plot

You have the following Python code in an Apache Spark notebook.

Which type of chart will the code produce?

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You use Azure Synapse Analytics and Apache Spark notebooks to You need to use PySpark to gain access to the visual libraries.

Which Python libraries should you use?

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You are using a Python notebook in an Apache Spark pool in Azure Synapse Analytics. You need to present the data distribution statistics from a DataFrame in a tabular view.

Which method should you invoke on the DataFrame?

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You have a kiosk that displays a Power Bl report page. The report uses a dataset that uses Import storage mode. You need to ensure that the report page updates all the visuals every 30 minutes.

Which two actions should you perform? Each correct answer presents part of the solution. NOTE: Each correct selection is worth one point.

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You have an Azure Synapse Analytics dedicated SQL pool.

You need to ensure that the SQL pool is scanned by Azure Purview.

What should you do first?

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You have a Power Bl workspace that contains one dataset and four reports that connect to the dataset.

The dataset uses Import storage mode and contains the following data sources:

• A CSV file in an Azure Storage account

• An Azure Database for PostgreSQL database

You plan to use deployment pipelines to promote the content from development to test to production. There will be different data source locations for each stage.

What should you include in the deployment pipeline to ensure that the appropriate data source locations are used during each stage?

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HOTSPOT

You need to configure a source control solution for Azure Synapse Analytics.

The solution must meet the following requirements:

• Code must always be merged to the main branch before being published, and the main branch must be used for publishing resource

• The workspace templates must be stored in the publish branch.

• A branch named dev123 will be created to support the development of a new feature.

What should you do? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.

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Correct Answer:

Explanation:

Box 1: main

Code must always be merged to the main branch before being published, and the main branch must be used for publishing resources.

Collaboration branch – Your Azure Repos collaboration branch that is used for publishing. By default, its master. Change this setting in case you want to publish resources from another branch. You can select existing branches or create new.

Each Git repository that’s associated with a Synapse Studio has a collaboration branch. (main or master is the default collaboration branch).

Box 2: workspace_publish

A branch named dev123 will be created to support the development of a new feature.

The workspace templates must be stored in the publish branch.

Creating feature branches

Users can also create feature branches by clicking + New Branch in the branch dropdown.

By default, Synapse Studio generates the workspace templates and saves them into a branch called workspace_publish. To configure a custom publish branch, add a publish_config.json file to the root folder in the collaboration branch.

Reference: https://docs.microsoft.com/en-us/azure/synapse-analytics/cicd/source-control

You need to provide users with a reproducible method to connect to a data source and transform the data by using an Al function.

The solution must meet the following requirement

• Minimize development effort.

• Avoid including data in the file.

Which type of file should you create?

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You are planning a Power Bl solution for a customer.

The customer will have 200 Power Bl users.

The customer identifies the following requirements:

• Ensure that all the users can create paginated reports.

• Ensure that the users can create reports containing Al visuals.

• Provide autoscaling of the CPU resources during heavy usage spikes.

You need to recommend a Power Bl solution for the customer. The solution must minimize costs.

What should you recommend?

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HOTSPOT

You need to recommend an automated solution to monitor Power Bl user activity.

The solution must meet the following requirements:

• Security admins must identify when users export reports from Power Bl within five days of a new sensitivity label being applied to the artifacts in Power Bl.

• Power Bl admins must identify updates or changes to the Power Bl capacity.

• The principle of least privilege must be used.

Which log should you include in the recommendation for each group? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.

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Correct Answer:

Explanation:

Box 1: the unified audit log in Microsoft 365

Security admins must identify when users export reports from Power BI within five days of a new sensitivity label being applied to the artifacts in Power BI.

Use the audit log

If your task is to track user activities across Power BI and Microsoft 365, you work with auditing in Microsoft 365 compliance or use PowerShell. Auditing relies on functionality in Exchange Online, which automatically supports Power BI.

You can filter the audit data by date range, user, dashboard, report, dataset, and activity type. You can also download the activities in a csv (comma-separated value) file to analyze offline.

Box 2: Power BI activity log

Power BI admins must identify updates or changes to the Power BI capacity.

Use the activity log

Power BI administrators can analyze usage for all Power BI resources at the tenant level by using custom reports that are based on the Power BI activity log.

Reference: https://docs.microsoft.com/en-us/power-bi/admin/service-admin-auditing

You have a 2-GB Power Bl dataset.

You need to ensure that you can redeploy the dataset by using Tabular Editor. The solution must minimize how long it will take to apply changes to the dataset from powerbi.com.

Which two actions should you perform in powerbi.com? Each correct answer presents part of the solution. NOTE: Each correct selection is worth one point

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You have five Power Bl reports that contain R script data sources and R visuals.

You need to publish the reports to the Power Bl service and configure a daily refresh of datasets.

What should you include in the solution?

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You have new security and governance protocols for Power Bl reports and datasets.

The new protocols must meet the following requirements.

• New reports can be embedded only in locations that require authentication.

• Live connections are permitted only for workspaces that use Premium capacity datasets.

Which three actions should you recommend performing in the Power Bl Admin portal? Each correct answer presents part of the solution. NOTE: Each correct selection is worth one point.

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You have an Azure Synapse Analytics serverless SQL pool.

You need to catalog the serverless SQL pool by using Azure Purview.

Which three actions should you perform? Each correct answer presents part of the solution. NOTE: Each correct selection is worth one point.

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HOTSPOT

You have a Power Bl dataset that has the query dependencies 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.

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Correct Answer:

Explanation:

Box 1: 3

Power Query doesn’t start at the first query and work down, it starts at the bottom (last) query and works backwards, so 3 tables from 1 will cause it to process that first source table 3 times.

Box 2: Using Table.Buffer in the Orders query

Table.Buffer buffers a table in memory, isolating it from external changes during evaluation. Buffering is shallow. It forces the evaluation of any scalar cell values, but leaves non-scalar values (records, lists, tables, and so on) as-is.

Note that using this function might or might not make your queries run faster. In some cases, it can make your queries run more slowly due to the added cost of reading all the data and storing it in memory, as well as the fact that buffering prevents downstream folding.

Example 1

Load all the rows of a SQL table into memory, so that any downstream operations will no longer be able to query the SQL server.

Usage

let

Source = Sql.Database("SomeSQLServer", "MyDb"), MyTable = Source{[Item="MyTable"]}[Data], BufferMyTable = Table.Buffer(dbo_MyTable)

in

BufferMyTable

Output

table

Reference:

https://radacad.com/performance-tip-for-power-bi-enable-load-sucks-memory-up

https://docs.microsoft.com/en-us/powerquery-m/table-buffer

DRAG DROP

You are configuring Azure Synapse Analytics pools to support the Azure Active Directory groups shown in the following table.

Which type of pool should each group use? To answer, drag the appropriate pool types to the groups. Each pool type may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content. NOTE: Each correct selection is worth one point.

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Correct Answer:

Explanation:

Box 1: Apache Spark pool

An Apache Spark pool provides open-source big data compute capabilities. After you’ve created an Apache Spark pool in your Synapse workspace, data can be loaded, modeled, processed, and distributed for faster analytic insight.

Box 2: Dedicated SQL Pool

Dedicated SQL Pool – Data is stored in relational tables

Box 3: Serverless SQL pool

Serverless SQL pool – Cost is incurred for the data processed per query

Reference:

https://docs.microsoft.com/en-us/azure/synapse-analytics/quickstart-create-apache-spark-pool-portal

https://www.royalcyber.com/blog/data-services/dedicated-sql-pool-vs-serverless-sql/

You are running a diagnostic against a query as shown in the following exhibit.

What can you identify from the diagnostics query?

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