Free Microsoft PL-400 practice questions

Question 1

A company manages capital equipment for an electric utility company. The company has a SQL Server database that contains maintenance records for the equipment.

Technicians who service the equipment use the Dynamics 365 Field Service mobile app on tablet devices to view scheduled assignments.

Technicians use a canvas app to display the maintenance history for each piece of equipment and update the history.

Managers use a Power BI dashboard that displays Dynamics 365 Field Service and real- time maintenance data.

Due to increasing demand, managers must be able to work in the field as technicians.

You need to design a solution that allows the managers to work from one single screen.

What should you do?

1. Add the maintenance history app to the Field Service Mobile app.
2. Add the manager Power BI dashboard to the Field Service mobile app.
3. Create a new maintenance canvas app from within the Power BI management dashboard.
4. Add the maintenance history app to the Power BI dashboard.

Question 2

A company has an application that provides API access. You plan to connect to the API from a canvas app by using a custom connector.

You need to request information from the API developers so that you can create the custom connector.

Which two types of files can you use? Each correct answer presents a complete solution.

NOTE: Each correct selection is worth one point.

1. YAML
2. WSDL
3. OpenAPI definition
4. Postman collection

Question 3

You plan to create a canvas app to manage large sets of records. Users will filter and sort the data.

You must implement delegation in the canvas app to mitigate potential performance issues.

You need to recommend data sources for the app.

Which two data sources should you recommend? Each correct answer presents a complete solution.

NOTE: Each correct selection is worth one point.

1. SQL Server
2. Common Data Service
3. Azure Data Factory
4. Azure Table Storage

Question 4

A company plans to create an order processing app.

When orders are created, the app will perform complex business logic and integrate with several external systems.

Orders that have a large number of line items may take up to six minutes to complete. Processing for each order must be completed in one operation to avoid leaving records in an incomplete state.

You need to recommend a solution for the company.

What should you recommend?

1. an asynchronous workflow that uses a custom workflow activity
2. a real-time workflow that uses a custom action
3. a webhook that connects to an Azure Function
4. an asynchronous plug-in

Question 5

You are implementing custom business logic in a Power Apps portal.

You need to use Liquid templates to display dynamic content.

To which three entities can you include Liquid code? Each correct answer presents a complete solution.

NOTE: Each correct selection is worth one point.

1. Content snippet
2. Web page
3. Web template
4. Page template
5. Portal settings

Question 6

A company is migrating from an on-premises Dynamics 365 installation to a Power Platform solution. You are creating plug-ins for the new solution.

You need to register the plug-ins.

Which isolation mode should you use?

1. None
2. Global Assembly Cache (GAC)
3. Sandbox
4. Disk

Question 7

An organization uses a public-facing Power Apps portal.

You need to change the layout of a specific web page.

What are two possible ways to achieve the goal? Each correct answer presents a complete solution.

NOTE: Each correct selection is worth one point.

1. Select the Portal Management app and then select Edit.
2. Select the Portal Management app and then select Play.
3. Select the portal app and then select Manage.
4. Select the portal app and then select Edit.

Question 8

You are building a custom application in Azure to process resumes for the HR department.

The app will monitor submissions of resumes and parse the resumes.

You need to parse the resumes and save contact and skills information into the Common Data Service.

Which mechanism should you use?

1. Power Automate
2. Common Data Service plug-in
3. Web API
4. Custom workflow activity

Question 9

A Power Platform solution includes the following Web API call:

GET http://contoso.crm.dynamics.com/api/data/v9.1/RelationshipDefinitions? $select=SchemaName You need to explain what this line of code is doing.

What does the code do?

1. Retrieve the list of relationships between tables.
2. Retrieve a list of tables that are related to each other.
3. Retrieve a list of one-to-many relationships with other tables.
4. Retrieve a list of tables that have more than one relationship.
5. Retrieve a list of many-to-many relationships with other tables.

Question 10

You are creating a canvas app to retrieve user sign in information from Microsoft Azure Active Directory (Azure AD) when someone searches for information about an end user.

You create an Azure Function to retrieve the required information by using JSON.

You need to ensure that the application functions correctly.

Which two actions should you perform? Each correct answer presents part of the solution.

NOTE: Each correct selection is worth one point.

1. Create a Power Automate flow to import data.
2. Create a custom connector by using the Azure Function API.
3. Use app designer in the Power Platform admin center.
4. Use Azure Service Bus.
5. Create an API definition for the Azure Function.