The correct answer is Conditional Access authentication strength. This feature allows administrators to define and enforce specific authentication methods, such as FIDO2 security keys or Windows Hello for Business, which are inherently phishing-resistant. By creating a policy that targets admin roles and requires an authentication strength policy mandating these methods, the organization ensures that only phishing-resistant credentials are accepted when accessing Microsoft 365 admin portals, offering granular control beyond simple MFA enforcement. On the MS-102 exam, this concept tests your understanding of how to move from broad MFA requirements to method-specific enforcement, often appearing as a distractor against general “MFA” or “Azure AD P2” options. A common trap is confusing authentication strength with conditional access policies that only require MFA without specifying the method. Memory tip: think “Strength = Specificity”—if the question demands a particular method like FIDO2, you need authentication strength, not just MFA.
MS-102 Practice Question: Implement and manage identity and access in Microsoft Entra ID
This MS-102 practice question tests your understanding of implement and manage identity and access in microsoft entra id. 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.
An organization wants to enforce that all administrators use a phishing-resistant authentication method (e.g., FIDO2 security keys or Windows Hello for Business) when accessing Microsoft 365 admin portals. Which Microsoft Entra ID feature should be used?
Authentication strength policies let you require specific MFA methods; configuring a policy for admins with a phishing-resistant strength ensures compliance.
B
Security defaults
Why wrong: Security defaults enforce MFA but allow any MFA method, including less secure ones like SMS or OTP.
C
Per-user MFA
Why wrong: Per-user MFA does not allow granular control over which authentication methods are used.
D
Identity Protection
Why wrong: Identity Protection evaluates risk and triggers MFA based on risk; it does not enforce a specific method type.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Conditional Access authentication strength
Option A is correct because Conditional Access authentication strength allows administrators to define and enforce specific authentication methods, such as FIDO2 security keys or Windows Hello for Business, which are phishing-resistant. By creating a policy that targets admin roles and requires an authentication strength policy that mandates these methods, the organization can ensure that only phishing-resistant credentials are accepted when accessing Microsoft 365 admin portals. This granular control goes beyond simple MFA enforcement by specifying the exact authentication method required.
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.
✓
Conditional Access authentication strength
Why this is correct
Authentication strength policies let you require specific MFA methods; configuring a policy for admins with a phishing-resistant strength ensures compliance.
Related concept
Read the scenario before looking for a memorised answer.
✗
Security defaults
Why it's wrong here
Security defaults enforce MFA but allow any MFA method, including less secure ones like SMS or OTP.
✗
Per-user MFA
Why it's wrong here
Per-user MFA does not allow granular control over which authentication methods are used.
✗
Identity Protection
Why it's wrong here
Identity Protection evaluates risk and triggers MFA based on risk; it does not enforce a specific method type.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse the generic MFA enforcement of Security defaults or Per-user MFA with the ability to specify a particular authentication method, not realizing that only Conditional Access authentication strength provides the granularity to mandate phishing-resistant methods like FIDO2.
Detailed technical explanation
How to think about this question
Authentication strength in Conditional Access leverages the 'Require authentication strength' control, which maps to a pre-defined or custom policy that specifies allowed authentication methods based on their phishing resistance level (e.g., FIDO2, certificate-based authentication). Under the hood, this uses the 'AuthenticationMethodsPolicy' Graph API to define which methods are considered 'phishing-resistant' according to the Windows Hello for Business and FIDO2 Alliance specifications. In a real-world scenario, an organization might combine this with a 'Location' condition to require phishing-resistant MFA only when accessing admin portals from untrusted networks, while allowing less strict methods for internal access.
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 MS-102 question in full detail.
Implement and manage identity and access in Microsoft Entra ID — This question tests Implement and manage identity and access in Microsoft Entra ID — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Conditional Access authentication strength — Option A is correct because Conditional Access authentication strength allows administrators to define and enforce specific authentication methods, such as FIDO2 security keys or Windows Hello for Business, which are phishing-resistant. By creating a policy that targets admin roles and requires an authentication strength policy that mandates these methods, the organization can ensure that only phishing-resistant credentials are accepted when accessing Microsoft 365 admin portals. This granular control goes beyond simple MFA enforcement by specifying the exact authentication method required.
What should I do if I get this MS-102 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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