SC-100 Certification Practice Question #219

Question

You have a Microsoft 365 tenant. Your company uses a third-party software as a service (SaaS) app named App1. App1 supports authenticating users by using Azure AD credentials.

You need to recommend a solution to enable users to authenticate to App1 by using their Azure AD credentials.

What should you include in the recommendation?

Accepted Answer

A third-party SaaS app that already supports Azure AD credentials is integrated by adding it as a Microsoft Entra enterprise application (often from the gallery) and enabling SSO — MS Learn states that after configuring SSO for an enterprise application, "your users can sign in by using their Microsoft Entra credentials," exactly the stated goal. Application Proxy (A) is for publishing on-premises web apps for remote access, Azure AD B2C (B) is for external consumer identities, and an AD FS relying party trust (D) is the legacy on-premises federation route rather than the cloud-native recommendation. The Suggested Answer, a unanimous 20-vote community consensus, and a 13-👍 explanation all align with the documentation.

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