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Microsoft PL-400 Exam
Microsoft Power Platform Developer (Page 5 )

Updated On: 1-Feb-2026
Page 5 of 80
PDF with 429 Questions

Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.

After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.

A company requires custom validation when users save form records that use a synchronous plug-in.

If validation fails, a message that explains how to resolve the issue must be displayed on the form to the user.

You need to implement the custom validation.

Solution: Throw an InvalidPluginExecutionException with the message.

Does the solution meet the goal?

  1. Yes
  2. No

Answer(s): A



HOTSPOT (Drag and Drop is not supported)
You develop the following code as part of a plug-in that handles the Create message of the Account table.



For each of the following statements, select Yes if the statement is true. Otherwise, select No.

NOTE: Each correct selection is worth one point.

  1. See Explanation section for answer.

Answer(s): A

Explanation:



The communication department for a company plans to add a publicly accessible survey page to the company’s public website.

You must add the new survey page to the company’s public website and capture data from the page to a Microsoft Dataverse environment.

Explicit user credentials must not be required to write survey data to Dataverse.

You need to implement authentication.

Which authentication mechanism should you implement?

  1. Azure AD Conditional Access
  2. Azure guest account
  3. X.509 certificate
  4. OAuth 2.0 Most Voted

Answer(s): D



A company has a model-driven app that uses Microsoft Dataverse.

The company requires a web application that retrieves information from the model-driven app. The requirements for the web application include:

•Must be a single-page web application that uses the Web API.
•Must display the correct company information.
•Must authenticate using OAuth without additional verification.

You need to configure the web application.
Which two methods should you use?

Each correct answer presents a complete solution.
NOTE: Each correct selection is worth one point.

  1. NTLM authentication
  2. Kerberos Authentication
  3. Microsoft Azure Active Directory Authentication Libraries (ADAL)
  4. Microsoft Authentication Library (MSAL)
  5. multifactor authentication

Answer(s): C,D



The communication department for a company plans to add a publicly accessible survey page to the company’s public website.

You must add the new survey page to the company’s public website and capture data from the page to a Microsoft Dataverse environment.

Explicit user credentials must not be required to write survey data to Dataverse.

You need to implement authentication.
Which authentication mechanism should you implement?

  1. Claims based
  2. Microsoft 365
  3. Azure guest account
  4. Client secret

Answer(s): D



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