- A
Microsoft Entra External ID (B2C)
B2C is designed for customer-facing applications, supports social identity providers, and allows configuration of terms of use and revocation of user access, meeting all requirements.
- B
Microsoft Entra B2B collaboration
Why wrong: B2B collaboration is for inviting external business partners to access corporate resources; it does not support social identity providers like LinkedIn or Google for sign-in.
- C
Microsoft Entra Identity Protection
Why wrong: Identity Protection provides risk detection and remediation for Microsoft Entra ID identities, but it is not a CIAM solution and does not manage external customer identities or social IdPs.
- D
Microsoft Entra Conditional Access
Why wrong: Conditional Access policies enforce access controls for enterprise users, but they are not designed to manage authentication via social identity providers or to provide a customer-facing identity store.
SC-900 Describe the capabilities of Microsoft Entra Practice Question
This SC-900 practice question tests your understanding of describe the capabilities of microsoft entra. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A multinational organization uses Microsoft Entra ID and wants to allow employees to sign in to a custom customer-facing application using their existing social identities (e.g., LinkedIn, Google). They also need to enforce a specific terms of use agreement and be able to revoke a user's access if their social account is compromised. Which Microsoft Entra capability should they configure?
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 (B2C)
Microsoft Entra External ID (B2C) is the correct choice because it is specifically designed for customer-facing applications that need to support social identity providers (like LinkedIn and Google) via OAuth 2.0 and OpenID Connect. It allows you to enforce a custom terms of use agreement during sign-up and provides the ability to revoke a user's access by disabling their account in the B2C directory or removing the social identity mapping, which directly addresses the requirement to respond to a compromised social account.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
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 (B2C)
Why this is correct
B2C is designed for customer-facing applications, supports social identity providers, and allows configuration of terms of use and revocation of user access, meeting all requirements.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Microsoft Entra B2B collaboration
Why it's wrong here
B2B collaboration is for inviting external business partners to access corporate resources; it does not support social identity providers like LinkedIn or Google for sign-in.
- ✗
Microsoft Entra Identity Protection
Why it's wrong here
Identity Protection provides risk detection and remediation for Microsoft Entra ID identities, but it is not a CIAM solution and does not manage external customer identities or social IdPs.
- ✗
Microsoft Entra Conditional Access
Why it's wrong here
Conditional Access policies enforce access controls for enterprise users, but they are not designed to manage authentication via social identity providers or to provide a customer-facing identity store.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse Microsoft Entra B2B collaboration (designed for external business partners accessing internal apps) with Microsoft Entra External ID (B2C) (designed for customer-facing apps with social identity providers), because both involve external users, but their use cases and capabilities are fundamentally different.
Detailed technical explanation
How to think about this question
Under the hood, Microsoft Entra External ID (B2C) uses a tenant-level identity experience framework that defines custom policies (via XML-based TrustFrameworkPolicy) to orchestrate OAuth 2.0 authorization flows with social IdPs. The terms of use enforcement is implemented as a self-asserted technical profile that displays the agreement and requires user consent before token issuance. Revocation is achieved by disabling the local B2C account or removing the linked social identity claim, which immediately invalidates any issued tokens and prevents future sign-ins.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
What to study next
Got this wrong? Here's your next step.
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FAQ
Questions learners often ask
What does this SC-900 question test?
Describe the capabilities of Microsoft Entra — This question tests Describe the capabilities of Microsoft Entra — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Microsoft Entra External ID (B2C) — Microsoft Entra External ID (B2C) is the correct choice because it is specifically designed for customer-facing applications that need to support social identity providers (like LinkedIn and Google) via OAuth 2.0 and OpenID Connect. It allows you to enforce a custom terms of use agreement during sign-up and provides the ability to revoke a user's access by disabling their account in the B2C directory or removing the social identity mapping, which directly addresses the requirement to respond to a compromised social account.
What should I do if I get this SC-900 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 11, 2026
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