Microsoft PL-400 시험

Question No : 1

HOTSPOT
A company must copy customer account data changes from a Common Data Service (CDS) instance into an external system.
Azure Storage Queues are used to pass the changes from CDS to the external system.
You have the following code. (Line numbers are included for reference only.)



For each of the following statements, select Yes if the statement is true. Otherwise, select No. NOTE: Each correct selection is worth one point.

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Explanation:
Box 1: Yes
Box 2: Yes
Box 3: No
Either new/updated or removed/deleted.
Box 4: Yes

Question No : 2

HOTSPOT
You work for a multinational company that has Azure and Common Data Service environment in the United States (UTC-7) and Japan (UTC+9).
You create Azure Functions for each location to update key data.
You need to configure the functions to run at 4:00 AM on weekdays at each location.
Which schedule formats should you use? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.

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Explanation:
Box 1: 0 0 4 * * 1-5
Azure Functions uses the NCronTab library to interpret NCRONTAB expressions.
An NCRONTAB expression is similar to a CRON expression except that it includes an additional sixth field at the beginning to use for time precision in seconds:
{second} {minute} {hour} {day} {month} {day-of-week}
NCRONTAB time zones
The numbers in a CRON expression refer to a time and date, not a time span. For example, a 5 in the hour field refers to 5:00 AM, not every 5 hours.
The default time zone used with the CRON expressions is Coordinated Universal Time (UTC).
To have your CRON expression based on another time zone, create an app setting for your function app named WEBSITE_TIME_ZONE.
1-5 is weekdays
Box 2: 0 0 4 * * 1-5
Reference: https://docs.microsoft.com/en-us/azure/azure-functions/functions-bindings-timer?

Question No : 3

You are creating an integration that uses an Azure function to create records in the Common Data Service when leads are submitted from your company website. You create and configure a Common Data Service application user.
You do not have administrator access to the Common Data Service environment you are using for access to Azure Active Directory. Company policy dictates that service accounts must be used for integrations, and integrations must not be granted privileges beyond what is needed.
You need to recommend actions that an administrator should perform to configure access for the Azure Function.
Which three actions should you perform? Each correct selection presents part of the solution. NOTE: Each correct selection is worth one point.

• A.Create an application registration in Azure Active Directory.
• B.Assign the system administrator security role to the application user.
• C.Assign the Power Platform administrator role to the application user in Azure Active Directory.
• D.Create a new security role with the minimum required permissions and assign to the application user.
• E.Grant the application delegated permissions to the Dynamics CRM API in Azure Active Directory.
• F.Deploy Azure B2B guest permissions to the application user.

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Explanation:
Reference: https://docs.microsoft.com/en-us/powerapps/developer/common-data-service/walkthrough-register-app-azureactive-directory

Question No : 4

HOTSPOT
A manufacturing company takes online orders.
The company requires automatic validation of order changes.
Requirements are as follows:
✑ If validation is successful, the order is submitted.
✑ If exceptions are encountered, a message must be shown to the customer.
You need to set up and deploy a plug-in that encapsulates the rules.
Which options should you use? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.

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Explanation:
Box 1: PreValidation
PreValidation: For the initial operation, this stage will occur before the main system operation.
This provides an opportunity to include logic to cancel the operation before the database transaction.
Box 2: Synchronous
Ideally, you should only cancel operations using synchronous plug-ins registered in the PreValidation stage.
Box 3: Pre Image
Box 4: throw ..
When you throw an InvalidPluginExecutionException exception within a synchronous plug-in an error dialog with your message will be displayed to the user.
Reference:
https://docs.microsoft.com/en-us/powerapps/developer/common-data-service/event-framework
https://docs.microsoft.com/en-us/powerapps/developer/common-data-service/handle-exceptions

Question No : 5

You are creating a Power Apps app that retrieves customer information from Azure Active Directory when you use the app to look up a customer record.
You create an Azure Function by using JSON code to retrieve the customer information.
You need to make the application work.
Which two actions should you perform? Each correct answer presents part of the solution. NOTE: Each correct selection is worth one point.

• A.Create a Power Automate flow to import data.
• B.Create a custom connector that uses the Azure Function AP
• C.Copy your JSON code to the app.
• D.Create a custom connector that uses the JSON code.
• E.Create an API definition for the Azure Function.

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Explanation:
E: Before exporting an API, you must describe the API using an OpenAPI definition.
B: This OpenAPI definition contains information about what operations are available in an API and how the request and response data for the API should be structured. PowerApps and Microsoft Flow can create custom connectors for any OpenAPI 2.0 definition.
Reference: https://github.com/MicrosoftDocs/azure-docs/blob/master/articles/azure-functions/app-service-export-api-topowerapps-and-flow.md

Question No : 6

A company uses five different shipping companies to deliver products to customers. Each shipping company has a separate service that quotes delivery fees for destination addresses.
You need to design a custom connector that retrieves the shipping fees from all the shipping companies by using their APIs.
Which three elements should you define for the custom connector? Each correct answer presents part of the solution. NOTE: Each correct selection is worth one point.

• A.Authentication model
• B.Address parameter
• C.OpenAPI definition
• D.Fee parameter
• E.Fee reference

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Explanation:
C: You can create a custom connector using a OpenAPI definition file or a URL to OpenAPI definition.
B: On the Security page you get to choose how to authenticate to the API.



A: If you were to create a Custom Connector from scratch, then you whould have to study the API you have chosen and type in the URL manually here.



Reference: https://carinaclaesson.com/2019/09/06/setting-up-a-custom-connector-from-an-openapi-file-and-utilizing-it-in-powerapps-and-flow/

Question No : 7

A company needs to illustrate the relationships of the entities in Dynamics 365 Sales.
You need to select the appropriate tool to show this graphic.
Which tool should you select?

• A.Metadata diagram
• B.Sales Insights
• C.Power Automate
• D.Security model

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Explanation:
Visual representation of metadata can be useful, especially when you are trying to describe the relationship between entities in the system. You can use the Metadata Diagram sample code provided for Dynamics 365 Customer Engagement (on-premises) to generate the entity relationship diagrams.
You can create a diagram that shows a relationship for just one entity, or a complex diagram that includes dozens of related entities, including custom and system entities.
Reference: https://docs.microsoft.com/en-us/dynamics365/customerengagement/on-premises/developer/use-metadata-generate-entity-diagrams

Question No : 8

DRAG DROP
A company uses Dynamics 365 Sales.
Sales commission must be calculated when an order is placed. You create an Azure Function to perform the calculation. The Azure Function has an HTTP trigger.
You need to configure the Plug-in Registration tool to send data to the Azure Function when an order is placed. You open the Plug-in Registration tool and connect to Dynamics 365 Sales.
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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Explanation:
Step 1: SelectRegister New Web Hook.
Configure Dynamics 365 Sales to Call Your Webhook in Azure Functions

Question No : 9

You are developing an app that uses Common Data Service.
You must integrate Common Data Service with a new web application. You must allow the new web application to display data from Common Data Service. You build a single-page web application using the Web API.
You need to authenticate your app using OAuth.
What should you use?

• A.Windows Communication Foundation (WCF)
• B.Cross-Origin Resource Sharing (CORS)
• C.Microsoft Authentication Library (MSAL)
• D.Kerberos authentication
• E.Active Directory Authentication Library (ADAL)

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Explanation:
OAuth requires an identity provider for authentication. For Dataverse, the identity provider is Azure Active Directory (AAD). To authenticate with AAD using a Microsoft work or school account, use the Azure Active Directory Authentication Libraries (ADAL) or Microsoft Authentication Library (MSAL). https://docs.microsoft.com/en-us/powerapps/developer/data-platform/authenticate-oauth

Question No : 10

HOTSPOT
You need to develop a set of Web API’s for a company.
What should you implement? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.

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Explanation:
Box 1: Functions
most functions and services that are stateless and do not have side effects.
Box 2: Actions
Actions can have side effects.
Box 3: Complex types
Reference: https://docs.microsoft.com/en-us/powerapps/developer/common-data-service/webapi/use-web-api-actions

Question No : 11

A company is creating a Power Apps portal to collaborate with vendors.
You need to implement custom functionality in the portal by using JavaScript code.
Which two portal entities can you use? Each correct answer presents a complete solution. NOTE: Each correct selection is worth one point.

• A.Web pages
• B.Web resources
• C.Webforms
• D.Entity lists

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Explanation:
C: The Web Form Step record contains a field named Custom JavaScript that can be used to store JavaScript code to allow you to extend or modify the form's visual display or function.
D: You can add custom Javascripts to Entity lists.
Reference:
https://docs.microsoft.com/en-us/powerapps/maker/portals/configure/add-custom-javascript
https://docs.microsoft.com/en-us/powerapps/maker/portals/configure/entity-lists#add-custom-javascript

Question No : 12

DRAG DROP
An organization has a Dynamics 365 Sales environment.
You need to create a Power Apps component.
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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Explanation:
Step 1: Run pac pcf init Cnamespace ..
This is the first command which creates basic folder structure of PCF control project.
Run the following command to create the control.
The format of the control is:
pac pcf init Cnamespace <specify your namespace here> Cname <put component name here> C template <component type>
Step 2: Run the npm install command
Install Dependencies
Once ‘init’ sets up the basic folder, as a next step install all the PCF control dependencies using ‘npm
install’ command.
Example:



Now at this point, there is nothing we have actually created. However, the solution created contains sample PCF control code.
Step 3: Run the following np run build command
Build PCF Component.
Once you implement the PCF component, build the code for any syntax errors.
Syntax:
npm run build



Reference:
https://rajeevpentyala.com/2020/03/21/power-apps-component-framework-pcf-demystify/
https://carldesouza.com/creating-a-custom-component-using-the-powerapps-component-framework/

Question No : 13

HOTSPOT
A company has a model-driven app that captures applications from prospective students.
You are asked to create a new re-usable custom component using the Power Apps component framework (PCF).
The custom component must allow entry of a date of birth and validate that the applicant is not a minor.
You create the class AuditDatePicker in the TypeScript file Index.ts and the style sheet DatePicker.css.
You need to define the component to be available only for relevant fields and its properties when used in a form.
How should you complete the manifest? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.

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Explanation:
Box 1: AuditDatePicker
Constructor: Constructor of the code component.
Box 2: DateandTime.DateOnly
Box 3: bound
usage: Has two properties, bound and input. Bound properties are bound only to the value of the field. Input properties are either bound to a field or allow a static value.
Reference:
https://docs.microsoft.com/en-us/powerapps/developer/component-framework/manifest-schema-reference/manifest
https://docs.microsoft.com/en-us/powerapps/developer/component-framework/implementing-controls-using-typescript

Question No : 14

HOTSPOT
A company has a model-driven app.
A custom button on a form calls a JavaScript function that validates form data fields and creates a web basket. The JavaScript function then displays a message to the user.
Users are located in the United States, which uses ISO Code 1033, and France, which uses ISO Code 1036.
Users in France report that the message displays in English.
You need to modify the RibbonDiffXml file to ensure that messages appear in the user’s language.
How should you complete the CommandDefinition node? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.

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Explanation:
Box 1: CrmParameter
In addition to data values, you can retrieve client context information by using <CrmParameter>. You can use the following options as the value for the CrmParameter element: OrgName, OrgLcid, and UserLcid.
Box 2: UserLcid
userLCID is the language code of the current user.
Note: A locale is a set of user preference information related to the user's language. The locale determines how dates, times, currencies, and numbers are formatted, how items are alphabetically sorted, and how strings are compared. The locale identifier (LCID) is a 32-bit value that uniquely defines a locale.
Reference: https://docs.microsoft.com/en-us/dynamics365/customerengagement/on-premises/developer/customize-dev/pass-dynamics-365-data-page-parameter-ribbon-actions

Question No : 15

A company implements Dynamics 365 Sales.
An email notification must be sent automatically to the sales manager when a business process completes.
You need to ensure that emails are sent.
What should you create on the process completed trigger?

• A.a workflow
• B.an action step
• C.a data step
• D.a Power Automate flow step

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Explanation:
When you include a workflow that you want to trigger on Stage Exit of a stage in your business process flow, and that stage is the last stage in the flow, the designer gives the impression that the workflow will be triggered when that stage is completed.
Reference: https://docs.microsoft.com/en-us/dynamics365/customerengagement/on-premises/customize/businessprocess-flows-overview