The answer is Microsoft Entra B2B collaboration with cross-tenant access settings. This solution is correct because it enables external partners to authenticate using their own corporate credentials via SAML/WS-Fed, while the cross-tenant access settings include inbound trust policies that honor the partner tenant’s user lifecycle. When a partner account is disabled or deleted in their home tenant, Microsoft Entra ID automatically invalidates the access token, achieving automatic revocation without manual intervention. On the AZ-500 exam, this scenario tests your understanding of how to configure inbound trust for B2B collaboration to enforce external identity lifecycle, often appearing as a trap where candidates mistakenly choose Azure AD External Identities or direct federation. The key distinction is that cross-tenant access settings specifically allow you to trust the partner’s user status, enabling automatic revocation. Memory tip: think “cross-tenant trust = cross-tenant cut-off” — if the partner’s account is disabled, the trust ensures access is revoked.
AZ-500 Secure identity and access Practice Question
This AZ-500 practice question tests your understanding of secure identity and access. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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 and wants to provide external partners with access to a specific SharePoint Online site. You need to ensure that partners authenticate using their own corporate credentials (SAML/WS-Fed) and that access is automatically revoked when the partner's account is disabled. Which solution should you use?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Microsoft Entra B2B collaboration with cross-tenant access settings
Microsoft Entra B2B collaboration with cross-tenant access settings is the correct solution because it allows external partners to authenticate using their own corporate identity provider via SAML/WS-Fed, and it automatically revokes access when the partner's account is disabled in their home tenant. This is achieved through inbound trust settings that honor the partner tenant's user lifecycle, ensuring that access tokens are invalidated when the external user account is disabled or deleted.
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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Azure AD B2C
Why it's wrong here
B2C is for customer identities, not partner organizations.
✓
Microsoft Entra B2B collaboration with cross-tenant access settings
Why this is correct
B2B with cross-tenant access settings enables partners to use their own credentials and automatic revocation.
Related concept
Read the scenario before looking for a memorised answer.
✗
Direct federation
Why it's wrong here
Direct federation is for partners whose IdP is not Azure AD, but does not guarantee automatic revocation.
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SharePoint external sharing
Why it's wrong here
External sharing does not integrate with partner identity lifecycle.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse Azure AD B2C with B2B collaboration, assuming B2C is for any external user, but B2C is specifically for customer identities, not partner federation with automatic lifecycle revocation.
Detailed technical explanation
How to think about this question
Under the hood, Microsoft Entra B2B collaboration with cross-tenant access settings uses inbound trust policies to evaluate the partner tenant's user object state during token issuance. When a partner user is disabled in their home tenant, the next token refresh request fails, and any cached tokens are invalidated, effectively revoking access. This relies on the SAML/WS-Fed metadata exchange between tenants, where the partner's IdP asserts the user's active status.
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 AZ-500 question in full detail.
Secure identity and access — This question tests Secure identity and access — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Microsoft Entra B2B collaboration with cross-tenant access settings — Microsoft Entra B2B collaboration with cross-tenant access settings is the correct solution because it allows external partners to authenticate using their own corporate identity provider via SAML/WS-Fed, and it automatically revokes access when the partner's account is disabled in their home tenant. This is achieved through inbound trust settings that honor the partner tenant's user lifecycle, ensuring that access tokens are invalidated when the external user account is disabled or deleted.
What should I do if I get this AZ-500 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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