The correct interpretation is that this Conditional Access policy JSON requires MFA for all users except Admin@contoso.com when accessing any app from mobile apps or desktop clients. This is determined by the JSON structure: the "users" object includes "allUsers" under "includeUsers" and excludes a specific group containing Admin@contoso.com, while "clientAppTypes" lists both "browser" and "mobileAppsAndDesktopClients" to enforce MFA across those platforms. On the MS-102 exam, this tests your ability to read JSON policy syntax and map it to real-world access controls—a common trap is overlooking that "browser" is included alongside mobile clients, which means web access also triggers MFA unless explicitly excluded. Remember the mnemonic "Exclude the admin, include all apps, require MFA for both browser and mobile" to quickly decode any policy JSON.
MS-102 Practice Question: Implement and manage Microsoft Entra identity and access
This MS-102 practice question tests your understanding of implement and manage microsoft entra identity and access. 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.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Requires MFA for all users except Admin@contoso.com when accessing any app from mobile apps or desktop clients
Option C is correct because the Conditional Access policy JSON targets all users except a specific group containing Admin@contoso.com, applies to all cloud apps, and requires MFA for the 'Browser' and 'Mobile apps and desktop clients' client app types. This effectively enforces MFA for all users except the excluded admin when accessing any app from either web browsers or native/mobile clients, as defined by the 'clientAppTypes' condition.
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.
✗
Requires MFA for all users accessing all apps from any client type
Why it's wrong here
Only mobile apps and desktop clients are included.
✗
Blocks access for all users except Admin@contoso.com when accessing from mobile apps
Requires MFA for all users except Admin@contoso.com when accessing any app from mobile apps or desktop clients
Why this is correct
Matches the policy conditions and grant controls.
Related concept
Read the scenario before looking for a memorised answer.
✗
Requires MFA for all users accessing all apps from any device
Why it's wrong here
Excludes Admin and only applies to mobile apps and desktop clients.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often overlook the 'ExcludeUsers' array and assume the policy applies to all users, or they misinterpret 'clientAppTypes' as applying to all devices rather than specific client application types like browser and mobile/desktop apps.
Detailed technical explanation
How to think about this question
Under the hood, the 'clientAppTypes' property in Conditional Access policy JSON distinguishes between 'Browser', 'Mobile apps and desktop clients', and 'Exchange ActiveSync' etc., allowing granular control over authentication flows. The 'grantControls' block with 'builtInControls': ['mfa'] triggers Azure MFA during token issuance, and the 'conditions' > 'users' > 'excludeUsers' array removes the specified user from policy evaluation entirely, meaning they bypass MFA without any additional prompts. In a real-world scenario, this policy is commonly used to protect against credential theft for all users except break-glass accounts or service accounts that cannot perform MFA.
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 Microsoft Entra identity and access — This question tests Implement and manage Microsoft Entra identity and access — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Requires MFA for all users except Admin@contoso.com when accessing any app from mobile apps or desktop clients — Option C is correct because the Conditional Access policy JSON targets all users except a specific group containing Admin@contoso.com, applies to all cloud apps, and requires MFA for the 'Browser' and 'Mobile apps and desktop clients' client app types. This effectively enforces MFA for all users except the excluded admin when accessing any app from either web browsers or native/mobile clients, as defined by the 'clientAppTypes' condition.
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.
About these practice questions
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Why B: To manage Conditional Access policies in Microsoft Entra ID, a custom role requires both the read and update permissions. The 'read' permission (option B) is necessary to view existing policies, while the 'update' permission (option D) is required to modify or configure policy settings. Without both, the role cannot effectively manage policies, as management implies the ability to change them.
Variation 2. Refer to the exhibit. You are reviewing a Conditional Access policy JSON. The policy is intended to block legacy authentication. However, users are still able to connect using Exchange ActiveSync. What is the most likely reason?
hard
✓ A.The policy is missing the 'browser' and 'mobileAppsAndDesktopClient' client app types
B.The grant control operator 'OR' should be 'AND'
C.The policy is configured in 'report-only' mode instead of 'enforce'
D.The policy is missing a condition for 'device platforms' to target iOS and Android
Why A: The policy is missing the 'browser' and 'mobileAppsAndDesktopClient' client app types. Conditional Access policies that block legacy authentication must explicitly include these client app types because Exchange ActiveSync (EAS) uses the 'mobileAppsAndDesktopClient' type for modern authentication clients and falls back to legacy protocols if not properly targeted. Without these types, the policy does not apply to EAS traffic, allowing legacy connections to succeed.
Variation 3. Refer to the exhibit. You need to ensure that users accessing Exchange Online from unmanaged devices are blocked. What should you modify in the policy?
medium
A.Remove the MFA control
B.Add the 'approvedClientApp' grant control with OR
C.Add a session control for app protection policies
✓ D.Change the operator from OR to AND
Why D: The exhibit shows a conditional access policy with two grant controls: 'Require multi-factor authentication' and 'Require device to be marked as compliant', connected by OR. With OR, users can satisfy either control, so unmanaged devices can still authenticate via MFA alone. Changing the operator to AND forces both MFA and device compliance, blocking access from unmanaged devices that cannot be compliant.
Last reviewed: Jun 24, 2026
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This MS-102 practice question is part of Courseiva's free Microsoft certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the MS-102 exam.
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