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Deploy and manage a Microsoft 365 tenant →hardMultiple ChoiceObjective-mapped

Quick Answer

The answer is that the Conditional Access policy is not blocking modern authentication because the client app type for modern authentication clients was not specified. This is correct because the policy only targets the default 'Browser' and 'Mobile apps and desktop clients' categories, but without enabling the specific 'Modern authentication clients' toggle, the policy does not apply to protocols like OAuth 2.0, which Outlook with modern authentication relies on. On the MS-102 exam, this scenario tests your understanding of how Conditional Access granularly controls client app types—a common trap is assuming that selecting 'Mobile apps and desktop clients' automatically covers modern auth, but it does not. Remember that modern authentication is a distinct toggle, not a subset of the other categories. A useful memory tip: "Modern auth is its own toggle, not a default mingle."

MS-102 Deploy and manage a Microsoft 365 tenant Practice Question

This MS-102 practice question tests your understanding of deploy and manage a microsoft 365 tenant. 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.

Exhibit

Refer to the exhibit.
```json
{
  "displayName": "Block Legacy Auth",
  "state": "enabled",
  "conditions": {
    "clientAppTypes": ["exchangeActiveSync", "otherClients"]
  },
  "grantControls": {
    "builtInControls": ["block"]
  }
}
```

An administrator creates a Conditional Access policy as shown in the exhibit. A user reports that they can still access Exchange Online using Outlook (modern authentication). Why does the policy not block the user?

Question 1hardmultiple choice
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Exhibit

Refer to the exhibit.
```json
{
  "displayName": "Block Legacy Auth",
  "state": "enabled",
  "conditions": {
    "clientAppTypes": ["exchangeActiveSync", "otherClients"]
  },
  "grantControls": {
    "builtInControls": ["block"]
  }
}
```

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

✓

The client app type for modern authentication is not specified in the policy.

Option C is correct because the Conditional Access policy does not include the 'Modern authentication clients' client app type. Without this selection, the policy does not apply to modern authentication protocols like OAuth 2.0, which Outlook (modern authentication) uses. The policy only targets the default 'Browser' and 'Mobile apps and desktop clients' categories, but the specific 'Modern authentication clients' toggle must be enabled to enforce controls on apps using modern auth.

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.

  • ✗

    The policy is not assigned to any users or groups.

    Why it's wrong here

    The exhibit does not show assignments, but the user is affected if assigned; the question states user is not blocked, so likely assignment is correct.

  • ✗

    The grant control is set to 'Require multi-factor authentication' instead of 'Block'.

    Why it's wrong here

    The grant control is set to 'block' as shown.

  • ✓

    The client app type for modern authentication is not specified in the policy.

    Why this is correct

    Modern authentication client app type (e.g., 'browser' or 'mobileAppsAndDesktopClients') is not included; only legacy protocols are blocked.

    Related concept

    Read the scenario before looking for a memorised answer.

  • ✗

    Exchange ActiveSync is not included in the policy.

    Why it's wrong here

    Exchange ActiveSync is included in the clientAppTypes.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates assume selecting 'Mobile apps and desktop clients' automatically covers all non-browser apps, including those using modern authentication, but Microsoft requires the explicit 'Modern authentication clients' toggle to enforce policies on OAuth 2.0-based traffic.

Trap categories for this question

  • Command / output trap

    The exhibit does not show assignments, but the user is affected if assigned; the question states user is not blocked, so likely assignment is correct.

Detailed technical explanation

How to think about this question

Under the hood, Conditional Access policies evaluate client app types based on the authentication flow. Modern authentication clients (e.g., Outlook using OAuth 2.0) are only blocked if the 'Modern authentication clients' option is selected in the policy's client apps configuration. If this option is omitted, the policy ignores all modern auth traffic, even if other client app types like 'Browser' or 'Mobile apps and desktop clients' are included. This is a common misconfiguration where administrators assume 'Mobile apps and desktop clients' covers all non-browser apps, but it does not apply to apps using modern authentication protocols.

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?

Deploy and manage a Microsoft 365 tenant — This question tests Deploy and manage a Microsoft 365 tenant — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: The client app type for modern authentication is not specified in the policy. — Option C is correct because the Conditional Access policy does not include the 'Modern authentication clients' client app type. Without this selection, the policy does not apply to modern authentication protocols like OAuth 2.0, which Outlook (modern authentication) uses. The policy only targets the default 'Browser' and 'Mobile apps and desktop clients' categories, but the specific 'Modern authentication clients' toggle must be enabled to enforce controls on apps using modern auth.

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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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.