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 company uses Microsoft Entra ID for identity management. They want to allow employees to sign in using their existing Facebook credentials. Which feature should they configure?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
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Microsoft Entra External Identities
Microsoft Entra External Identities (B) is the correct feature because it allows organizations to configure identity providers for external users, including social identity providers like Facebook. By enabling Facebook as an identity provider in the External Identities settings, employees can sign in using their existing Facebook credentials, which are federated via OAuth 2.0 and 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.
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Microsoft Entra Privileged Identity Management
Why it's wrong here
PIM manages privileged roles, not external identity sources.
✓
Microsoft Entra External Identities
Why this is correct
External Identities allows federation with social identity providers like Facebook.
Related concept
Read the scenario before looking for a memorised answer.
✗
Microsoft Entra Conditional Access
Why it's wrong here
Conditional Access evaluates signals to enforce access policies.
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Microsoft Entra Identity Protection
Why it's wrong here
Identity Protection detects and remediates identity-based risks.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse External Identities (which handles external and social identity providers) with Conditional Access or Identity Protection, mistakenly thinking those features can directly enable social login, when in fact they only enforce policies or detect risks after authentication is configured.
Detailed technical explanation
How to think about this question
Under the hood, Microsoft Entra External Identities uses the B2B collaboration feature to support federation with social identity providers. When Facebook is configured, Microsoft Entra ID redirects users to Facebook's OAuth 2.0 authorization endpoint; after successful authentication, Facebook returns an ID token containing claims (e.g., email, name) that Microsoft Entra ID maps to a guest user object. This integration relies on the OpenID Connect discovery endpoint and requires registering an application in the Facebook Developer Console to obtain a client ID and client secret.
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: Microsoft Entra External Identities — Microsoft Entra External Identities (B) is the correct feature because it allows organizations to configure identity providers for external users, including social identity providers like Facebook. By enabling Facebook as an identity provider in the External Identities settings, employees can sign in using their existing Facebook credentials, which are federated via OAuth 2.0 and 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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