Question 821 of 975

Implement and manage identity and access in Microsoft Entra ID →hardMultiple ChoiceObjective-mapped

Quick Answer

The correct answer is to configure an authentication strength policy that requires FIDO2 and assign it to a Conditional Access policy. This works because authentication strengths in Microsoft Entra ID let you create a custom, granular policy that specifies exactly which authentication methods are acceptable—in this case, only FIDO2 security keys—and then enforce that requirement by linking it to a Conditional Access policy targeting the Azure portal. On the MS-102 exam, this scenario tests your understanding that authentication strengths are the precise tool for restricting MFA methods, not just enabling MFA broadly; a common trap is choosing a general Conditional Access policy that requires MFA without specifying the method, which would still allow other factors like phone calls or app notifications. Remember the key distinction: authentication strengths control *which* methods are allowed, while Conditional Access controls *when* they are required. A useful memory tip is “Strength first, then access”—define the method strength, then assign it to the Conditional Access policy.

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. 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.

An organization with Microsoft Entra ID P2 licenses needs to enforce that all users accessing the Azure portal must use FIDO2 security keys for multi-factor authentication. Which configuration should be implemented?

Question 1hardmultiple choice

Full question →

A
Create a Conditional Access policy that requires MFA and select FIDO2 as the authentication strength in the grant controls
Why wrong: You cannot select an individual authentication method directly in Conditional Access; you must first create an authentication strength and then reference it.
B
Create a Conditional Access policy that requires MFA and set the grant control to require a specific device platform
Why wrong: Setting a device platform condition does not enforce a specific authentication method; it only limits which devices can be used.
C
Configure an authentication strength policy that requires FIDO2 and assign it to a Conditional Access policy
Authentication strengths define acceptable methods; they are then referenced in Conditional Access grant controls to enforce the required method.
D
Configure an authentication methods policy that allows only FIDO2 security keys
Why wrong: The authentication methods policy controls registration but does not enforce MFA requirements; it must be combined with Conditional Access using an authentication strength.

Full breakdown with real-world context →

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

✓

Configure an authentication strength policy that requires FIDO2 and assign it to a Conditional Access policy

Option C is correct because in Microsoft Entra ID, authentication strengths allow you to define a specific set of authentication methods (e.g., FIDO2 security keys) and then assign that strength to a Conditional Access policy. This ensures that only FIDO2 security keys are accepted for MFA when accessing the Azure portal, meeting the requirement precisely.

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 a Conditional Access policy that requires MFA and select FIDO2 as the authentication strength in the grant controls
Why it's wrong here
You cannot select an individual authentication method directly in Conditional Access; you must first create an authentication strength and then reference it.
✗
Create a Conditional Access policy that requires MFA and set the grant control to require a specific device platform
Why it's wrong here
Setting a device platform condition does not enforce a specific authentication method; it only limits which devices can be used.
✓
Configure an authentication strength policy that requires FIDO2 and assign it to a Conditional Access policy
Why this is correct
Authentication strengths define acceptable methods; they are then referenced in Conditional Access grant controls to enforce the required method.
Related concept
Read the scenario before looking for a memorised answer.
✗
Configure an authentication methods policy that allows only FIDO2 security keys
Why it's wrong here
The authentication methods policy controls registration but does not enforce MFA requirements; it must be combined with Conditional Access using an authentication strength.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates often confuse the direct selection of an authentication method in Conditional Access grant controls with the correct two-step process of first defining an authentication strength policy and then assigning it to a Conditional Access policy.

Detailed technical explanation

How to think about this question

Authentication strengths in Microsoft Entra ID are defined as a collection of authentication methods (e.g., FIDO2, certificate-based authentication) and can be assigned a custom name. When a Conditional Access policy references an authentication strength, it overrides the default MFA methods and enforces only those methods for the specified conditions. This allows granular control, such as requiring FIDO2 only for high-risk apps like the Azure portal, while other apps can use different MFA methods.

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.

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

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FAQ

Questions learners often ask

What does this MS-102 question test?

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: Configure an authentication strength policy that requires FIDO2 and assign it to a Conditional Access policy — Option C is correct because in Microsoft Entra ID, authentication strengths allow you to define a specific set of authentication methods (e.g., FIDO2 security keys) and then assign that strength to a Conditional Access policy. This ensures that only FIDO2 security keys are accepted for MFA when accessing the Azure portal, meeting the requirement precisely.

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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