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Describe the capabilities of Microsoft EntraeasyMultiple ChoiceObjective-mapped

SC-900 Describe the capabilities of Microsoft Entra Practice Question

Your company uses Microsoft Entra ID to manage user identities. You need to ensure that users can sign in using their existing social media accounts. Which Microsoft Entra feature should you configure?

⚠ Common exam trap

Candidates often confuse Microsoft Entra B2B collaboration (for business partners) with Microsoft Entra External ID (for customers/consumers), mistakenly thinking B2B can also handle social identity providers, but B2B only supports organizational accounts (e.g., work/school) and not social logins.

Answer choices

Why each option matters

Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.

Correct answer & explanation

Microsoft Entra External ID

Microsoft Entra External ID (formerly Azure AD B2C) is the correct feature because it is specifically designed to enable external identities, including social identity providers like Google, Facebook, and Microsoft accounts, for customer-facing applications. It supports standards such as OAuth 2.0 and OpenID Connect to allow users to sign in with their existing social media accounts without needing a separate Microsoft Entra ID account.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

  • Microsoft Entra External ID

    Why this is correct

    Microsoft Entra External ID is the comprehensive solution for managing all external identities, including customers, partners, and citizens, across various applications. It specifically supports integrating social identity providers like Google, Facebook, and Microsoft accounts, as well as enterprise identity providers, allowing users to sign in to your applications using their existing credentials. This capability is crucial for consumer-facing applications that require flexible and convenient sign-up and sign-in experiences without creating new accounts.

  • Microsoft Entra B2B collaboration

    Why it's wrong here

    Microsoft Entra B2B collaboration is primarily designed for inviting external business partners to access your organization's resources, such as applications and documents, using their existing corporate or Microsoft accounts. While it facilitates external access, its core function is to enable secure collaboration with other organizations, not to integrate social identity providers like Facebook or Google for consumer-facing applications. It focuses on partner identities, not general public social identities.

  • Conditional Access policies

    Why it's wrong here

    Conditional Access policies in Microsoft Entra ID are security tools used to enforce specific access requirements after a user has attempted to authenticate. These policies evaluate various conditions, such as user location, device compliance, or sign-in risk, to determine whether access should be granted, blocked, or require additional authentication steps like multi-factor authentication. They do not, however, provide the mechanism for integrating or managing external identity providers like social accounts; their function is solely to control how authenticated users access resources.

  • Privileged Identity Management

    Why it's wrong here

    Microsoft Entra Privileged Identity Management (PIM) is a service focused on managing, controlling, and monitoring access to important resources within an organization by providing just-in-time and time-bound access to privileged roles. It helps mitigate the risks associated with excessive, unnecessary, or misused access permissions by requiring activation for elevated roles. PIM is specifically designed for internal administrative roles and does not facilitate the integration of external social identity providers for user authentication in applications.

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Written by Johnson Ajibi, MSc IT Security

Senior Network & Security Engineer · founder of Courseiva

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