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.
Your organization uses Microsoft Entra ID for identity management. You need to ensure that users can sign in using their existing Facebook accounts without creating a separate Microsoft Entra ID account. What should you configure?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Create a Microsoft Entra External ID tenant and add Facebook as an identity provider
Option B is correct because Microsoft Entra External ID (formerly Azure AD B2C) is designed to allow external identities, such as social identity providers like Facebook, to authenticate users without requiring a separate Microsoft Entra ID account. By creating an External ID tenant and adding Facebook as an identity provider, you enable users to sign in using their existing Facebook credentials via OAuth 2.0 or OpenID Connect protocols.
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.
✗
Configure Microsoft Entra ID Protection
Why it's wrong here
Microsoft Entra ID Protection detects risks but does not enable social login.
✓
Create a Microsoft Entra External ID tenant and add Facebook as an identity provider
Why this is correct
Microsoft Entra External ID (B2C) allows adding social identity providers for customer-facing apps.
Related concept
Read the scenario before looking for a memorised answer.
✗
Enable Microsoft Entra ID Domain Services
Why it's wrong here
Microsoft Entra ID Domain Services provides managed domain services, not social authentication.
✗
Configure Microsoft Entra ID Governance
Why it's wrong here
Microsoft Entra ID Governance manages access reviews and entitlement management, not social identity providers.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse Microsoft Entra External ID (B2C) with Microsoft Entra ID (Azure AD) itself, assuming social identity providers can be added directly to a standard tenant, but only an External ID tenant supports social identity federation without requiring a separate Microsoft Entra ID account.
Detailed technical explanation
How to think about this question
Under the hood, Microsoft Entra External ID uses a policy-based framework (user flows) to orchestrate authentication with social identity providers. When Facebook is configured, the tenant redirects users to Facebook's OAuth 2.0 authorization endpoint, and upon successful authentication, Facebook returns an ID token that External ID maps to a local user object. This allows the organization to avoid creating separate Microsoft Entra ID accounts while still enforcing conditional access policies and token issuance.
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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this SC-900 question in full detail.
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: Create a Microsoft Entra External ID tenant and add Facebook as an identity provider — Option B is correct because Microsoft Entra External ID (formerly Azure AD B2C) is designed to allow external identities, such as social identity providers like Facebook, to authenticate users without requiring a separate Microsoft Entra ID account. By creating an External ID tenant and adding Facebook as an identity provider, you enable users to sign in using their existing Facebook credentials via OAuth 2.0 or OpenID Connect protocols.
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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Question Discussion
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