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. 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.
Which two scenarios are examples of using Microsoft Entra business-to-business (B2B) collaboration? (Choose two.)
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
A user from a partner organization is invited to access a SharePoint Online site.
Option A is correct because Microsoft Entra B2B collaboration allows you to invite external users from partner organizations to access your company's resources, such as a SharePoint Online site. The invited user authenticates using their own home tenant credentials, and a B2B guest user object is created in your directory to represent them.
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.
✓
A user from a partner organization is invited to access a SharePoint Online site.
Why this is correct
B2B collaboration allows inviting external users from partner organizations.
Related concept
Read the scenario before looking for a memorised answer.
✗
An employee uses their Microsoft Entra ID to sign in to a third-party SaaS application.
Why it's wrong here
This is federated SSO, not B2B collaboration.
✗
Two internal departments share resources within the same tenant.
Why it's wrong here
Internal resource sharing does not involve external identities.
✓
A vendor employee uses their own work email to access a Power BI dashboard shared by your company.
Why this is correct
Sharing with external users via their work email is B2B.
Related concept
Read the scenario before looking for a memorised answer.
✗
Customers use their Facebook accounts to sign in to a company's web application.
Why it's wrong here
This is an example of B2C, not B2B.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is confusing B2B collaboration (inviting external business partners with work/school accounts) with B2C collaboration (allowing consumers to sign in with social identities like Facebook or Google), leading candidates to incorrectly select Option E.
Detailed technical explanation
How to think about this question
Under the hood, Microsoft Entra B2B collaboration uses the SAML 2.0 or OpenID Connect protocols to enable cross-tenant authentication without requiring the external user to maintain a separate credential in the resource tenant. The invited user's home tenant issues a token that is validated by the resource tenant, and the user appears as a guest (UserType = Guest) in the resource tenant's directory. This allows fine-grained access control via conditional access policies that can target guest users specifically.
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 media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
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: A user from a partner organization is invited to access a SharePoint Online site. — Option A is correct because Microsoft Entra B2B collaboration allows you to invite external users from partner organizations to access your company's resources, such as a SharePoint Online site. The invited user authenticates using their own home tenant credentials, and a B2B guest user object is created in your directory to represent them.
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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