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Microsoft PL-400 Exam - Topic 1 Question 121 Discussion

Actual exam question for Microsoft's PL-400 exam
Question #: 121
Topic #: 1
[All PL-400 Questions]

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

"he 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.

Show Suggested Answer Hide Answer
Suggested Answer: D, E

by Lashanda at Jul 04, 2025, 05:57 AM

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Tamra
3 months ago
NTLM won't work for OAuth, just saying.
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Galen
3 months ago
Totally agree, MSAL is the best choice here!
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Janessa
3 months ago
Wait, can you really use Kerberos for this? Sounds off.
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Lashaunda
4 months ago
I think ADAL is outdated now, right?
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Lavonne
4 months ago
MSAL is definitely the way to go for OAuth!
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Nana
4 months ago
I remember that we focused on OAuth for our projects, so I think MSAL is a solid answer, but I’m not entirely sure about the second option.
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Lawrence
4 months ago
I feel like Kerberos was mentioned in a similar practice question, but I’m uncertain if it fits the requirements for this web app.
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Jeanice
5 months ago
I think MSAL is definitely one of the options we should consider for authentication, but I can't recall if NTLM is compatible with single-page apps.
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Stephanie
5 months ago
I remember we discussed OAuth in class, but I'm not sure if ADAL is the right choice here since it might require additional verification.
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Bok
5 months ago
Okay, I've got this. The web app needs to be a single-page app that uses the Web API, and it has to authenticate with OAuth without additional verification. That means I should choose either the Microsoft Authentication Library (MSAL) or the Azure Active Directory Authentication Libraries (ADAL). I'll go with MSAL since it's the newer and more recommended option.
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Marya
5 months ago
After thinking it through, I think the answer is D and E - the Microsoft Authentication Library (MSAL) and the Azure Active Directory Authentication Libraries (ADAL). Those both support OAuth authentication, which is what the question is asking for. The other options like NTLM and Kerberos don't seem to fit the requirements.
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Ngoc
5 months ago
I'm feeling pretty confident about this one now. The key is that the web app needs to authenticate using OAuth without additional verification, so the correct answers are definitely D and E - MSAL and ADAL. Those libraries will handle the OAuth flow and give the app the access it needs to the Dataverse API.
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Wilburn
7 months ago
That makes sense, MSAL could be a good option for authentication as well.
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My
7 months ago
Wait, I thought we were building a web app, not hacking the Pentagon. Keep it simple, people!
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Galen
7 months ago
ADAL? Isn't that, like, so 2015? Move over, grandpa, MSAL is the new kid on the block.
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Julene
7 months ago
I'm not sure, but I think we should also consider using Microsoft Authentication Library (MSAL).
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Sue
7 months ago
MSAL all the way! It's the Microsoft-recommended solution for authenticating with Azure AD. Easy peasy.
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Benedict
6 months ago
I agree, MSAL is the way to go for authenticating with Azure AD.
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Tawna
8 months ago
I agree, OAuth is the way to go for this web application.
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Aja
8 months ago
Kerberos? Really? I thought we were living in the 21st century. Let's keep it modern with OAuth, shall we?
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Kattie
6 months ago
Definitely, OAuth provides a more secure and efficient way to authenticate users.
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Nada
6 months ago
Agreed, Kerberos is outdated. OAuth is the way to go for modern web applications.
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Ling
8 months ago
Multifactor authentication? That's a bit overkill for a simple web app, don't you think? We need something more streamlined.
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Pa
7 months ago
B: E) Microsoft Azure Active Directory Authentication Libraries (ADAL)
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Sue
7 months ago
A: D) Microsoft Authentication Library (MSAL)
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Jacquelyne
8 months ago
Hmm, NTLM? In this day and age? I think not, my friend. This is a single-page web app, not a legacy Windows server.
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Karrie
7 months ago
C: Let's go with MSAL and Azure AD Authentication Libraries.
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Sharika
7 months ago
B: I agree, we should go for modern authentication methods.
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Laura
7 months ago
A: Definitely not NTLM, that's outdated.
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Wilburn
8 months ago
I think we should use OAuth for authentication.
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