- A
Privileged Identity Management
Why wrong: Privileged Identity Management manages Azure AD roles and access.
- B
Identity Protection
Why wrong: Identity Protection detects and mitigates identity-based risks.
- C
External ID
External ID allows configuration of social identity providers for customer-facing apps.
- D
Conditional Access
Why wrong: Conditional Access is used for enforcing policies based on conditions, not for enabling social identity providers.
Question 224 of 1,411
SC-900 Practice Question: Describe the concepts of security, compliance, and identity
This SC-900 practice question tests your understanding of describe the concepts of security, compliance, and identity. 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 social media accounts, such as Google or Facebook. Which feature should you 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
✓
External ID
External ID (now known as Microsoft Entra External ID) allows you to configure identity providers for social accounts like Google and Facebook. This enables users to sign in with their existing social credentials by establishing federation via OAuth 2.0 or OpenID Connect protocols, rather than requiring a separate Microsoft Entra ID 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.
- ✗
Privileged Identity Management
Why it's wrong here
Privileged Identity Management manages Azure AD roles and access.
- ✗
Identity Protection
Why it's wrong here
Identity Protection detects and mitigates identity-based risks.
- ✓
External ID
Why this is correct
External ID allows configuration of social identity providers for customer-facing apps.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Conditional Access
Why it's wrong here
Conditional Access is used for enforcing policies based on conditions, not for enabling social identity providers.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse External ID (which handles identity source configuration) with Conditional Access (which only enforces policies after authentication), leading them to pick D thinking it 'controls' sign-in methods.
Detailed technical explanation
How to think about this question
Under the hood, External ID creates a tenant-level identity provider configuration that maps the social provider's token claims (e.g., sub, email) to Microsoft Entra ID's user attributes. This federation uses the OAuth 2.0 authorization code flow with PKCE for security. In a real-world scenario, a B2C application can allow users to sign in with Google, and the resulting token includes the 'iss' claim set to 'accounts.google.com', which Entra ID validates against the configured provider.
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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Describe the concepts of security, compliance, and identity — study guide chapter
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FAQ
Questions learners often ask
What does this SC-900 question test?
Describe the concepts of security, compliance, and identity — This question tests Describe the concepts of security, compliance, and identity — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: External ID — External ID (now known as Microsoft Entra External ID) allows you to configure identity providers for social accounts like Google and Facebook. This enables users to sign in with their existing social credentials by establishing federation via OAuth 2.0 or OpenID Connect protocols, rather than requiring a separate Microsoft Entra ID 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.
About these practice questions
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Last reviewed: Jul 4, 2026
This SC-900 practice question is part of Courseiva's free Microsoft certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the SC-900 exam.
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