The answer is Microsoft Entra External ID (formerly Azure AD B2B) combined with Conditional Access. This is correct because B2B collaboration allows external partner users to sign in with their own organization credentials—whether from another Azure AD tenant or a Microsoft account—while the company retains full control over application access through Conditional Access policies, such as enforcing MFA or device compliance without managing the guest’s identity or password. On the AZ-305 exam, this scenario tests your understanding of identity governance for external collaboration, often appearing as a trap where candidates mistakenly choose federation or direct guest user management. The key distinction is that B2B collaboration delegates authentication to the partner’s identity provider, while Conditional Access enforces the company’s security requirements. A helpful memory tip: think of B2B as “bring your own identity” and Conditional Access as “your rules, their login.”
AZ-305 Practice Question: Design identity, governance, and monitoring solutions
This AZ-305 practice question tests your understanding of design identity, governance, and monitoring solutions. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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 SaaS application must allow external partner users to sign in with their own organization credentials while the company controls application access. What should be used?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Microsoft Entra External ID/B2B collaboration with Conditional Access
Microsoft Entra External ID (formerly Azure AD B2B) enables external partner users to sign in using their own organization's credentials (their existing Azure AD or Microsoft account) while the company retains control over application access. By combining B2B collaboration with Conditional Access policies, the company can enforce MFA, device compliance, or location-based controls on guest users without managing their identities or passwords.
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.
✗
Create local cloud-only accounts for every partner user
Why it's wrong here
Local accounts increase lifecycle management overhead.
✗
Share one account per partner company
Why it's wrong here
Shared accounts remove user-level accountability.
✗
Use Azure DNS private zones
Why it's wrong here
Private DNS zones do not manage external user authentication.
✓
Microsoft Entra External ID/B2B collaboration with Conditional Access
Why this is correct
External identities allow partner users to authenticate with their own identity provider while the resource tenant enforces access policies.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse Azure DNS private zones (a networking feature) with identity federation, or assume that creating local accounts or sharing accounts is acceptable for external collaboration, ignoring the security and manageability requirements of the scenario.
Detailed technical explanation
How to think about this question
B2B collaboration uses SAML 2.0 or OpenID Connect to establish trust between the partner's identity provider and Microsoft Entra ID, allowing token exchange without synchronizing user objects. Conditional Access policies for guest users can be scoped using the 'Guest or external users' identity type, enabling granular controls like requiring MFA from the partner's IdP or blocking access from untrusted locations. Under the hood, B2B creates a lightweight user object in the resource tenant with a UserType of 'Guest', which can be assigned to apps and groups without consuming a license if the free tier limits are respected.
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-305 question in full detail.
Design identity, governance, and monitoring solutions — This question tests Design identity, governance, and monitoring solutions — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Microsoft Entra External ID/B2B collaboration with Conditional Access — Microsoft Entra External ID (formerly Azure AD B2B) enables external partner users to sign in using their own organization's credentials (their existing Azure AD or Microsoft account) while the company retains control over application access. By combining B2B collaboration with Conditional Access policies, the company can enforce MFA, device compliance, or location-based controls on guest users without managing their identities or passwords.
What should I do if I get this AZ-305 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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