Microsoft SC-100 Exam - Topic 4 Question 75 Discussion

Actual exam question for Microsoft's SC-100 exam

Question #: 75
Topic #: 4

You have an on-premises network that has several legacy applications. The applications perform LDAP queries against an existing directory service.

You are migrating the on-premises infrastructure to a cloud-only infrastructure.

You need to recommend an identity solution for the infrastructure that supports the legacy applications. The solution must minimize the administrative effort to maintain the infrastructure.

Which identity service should you include in the recommendation?

CMicrosoft Entra Domain Services

AActive Directory Domain Services (AD DS)

BMicrosoft Entra ID

DMicrosoft Entra External ID

Show Suggested Answer

Suggested Answer: B

by Emerson at Jan 27, 2026, 11:25 AM

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Shasta

3 days ago

Azure AD is the obvious choice here. It's like a cloud-based directory service on steroids.

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Mari

9 days ago

Azure AD is the way to go. It's like a one-stop-shop for identity management in the cloud.

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Elvis

14 days ago

I agree, Azure AD would be the most seamless solution for the cloud migration and legacy app requirements.

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Cristal

19 days ago

Azure Active Directory seems like the best option to support the legacy applications and minimize administrative effort.

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Nenita

24 days ago

I vaguely recall something about using a hybrid solution, but that seems more complex. I hope it’s just about choosing a straightforward cloud service.

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Phyliss

29 days ago

I feel like we practiced a question similar to this in our last session. I think minimizing admin effort points towards a managed service like Azure AD DS.

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Ernestine

2 months ago

I’m not entirely sure, but I think we might have covered AWS Directory Service as an option too. It could work for legacy apps, but I’m not confident.

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Hannah

2 months ago

I remember we discussed Azure Active Directory Domain Services for scenarios like this. It supports LDAP queries, right?

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Elfriede

2 months ago

This seems straightforward. I'd recommend Azure AD. It has built-in LDAP support and can integrate with on-premises AD, which should help minimize the migration effort.

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Lucy

2 months ago

I'd start by looking at the major cloud identity providers like AWS, Azure, and GCP. See which one has the best LDAP integration and management capabilities for our needs.

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Luisa

2 months ago

Okay, let's think this through. Since we're moving to the cloud, Azure Active Directory could be a good option to consider. It has LDAP support and can help reduce the admin overhead.

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Dorothy

3 months ago

I'm a bit confused on the requirements here. We need to minimize admin effort, but also support the legacy LDAP apps. Not sure which identity service would be the best fit.

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Gabriele

3 months ago

Hmm, this seems like a tricky one. I'd need to research the different cloud identity services and their capabilities to support legacy LDAP apps.

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