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Describe the capabilities of Microsoft Entra →hardMultiple ChoiceObjective-mapped

SC-900 Describe the capabilities of Microsoft Entra Practice Question

This SC-900 practice question tests your understanding of describe the capabilities of microsoft entra. 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
{
  "policy": {
    "displayName": "Block legacy authentication",
    "conditions": {
      "clientAppTypes": ["exchangeActiveSync", "other"],
      "applications": {
        "includeApplications": ["Office365"]
      }
    },
    "grantControls": {
      "builtInControls": ["block"]
    }
  }
}
```

Refer to the exhibit. You are evaluating a Conditional Access policy in JSON format. The policy is assigned to a test user group. A user in that group tries to access Outlook Web App (OWA) from a browser. What is the effect of this policy?

Question 1hardmultiple choice
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Exhibit

Refer to the exhibit.

```json
{
  "policy": {
    "displayName": "Block legacy authentication",
    "conditions": {
      "clientAppTypes": ["exchangeActiveSync", "other"],
      "applications": {
        "includeApplications": ["Office365"]
      }
    },
    "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

✓

Access is allowed because the policy only blocks legacy authentication protocols.

The policy in the exhibit targets 'Office 365 Exchange Online' and includes a condition for 'Client apps: Exchange ActiveSync, Other clients'. However, the user is accessing Outlook Web App (OWA) from a browser, which uses modern authentication (HTTPS). The policy explicitly blocks legacy authentication protocols (Exchange ActiveSync and other clients that do not support modern auth). Since OWA uses modern authentication, it is not affected by this policy, so access is allowed. Option D correctly identifies that the policy only blocks legacy authentication protocols, not modern browser-based access.

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.

  • ✗

    Access is blocked because Exchange ActiveSync is included.

    Why it's wrong here

    Exchange ActiveSync is a legacy protocol, but OWA via browser is not Exchange ActiveSync.

  • ✗

    Access is blocked because the policy targets Office 365.

    Why it's wrong here

    The policy blocks legacy auth, not modern auth like OWA via browser.

  • ✗

    Access is allowed but MFA is required.

    Why it's wrong here

    The grant control is block, not require MFA.

  • ✓

    Access is allowed because the policy only blocks legacy authentication protocols.

    Why this is correct

    Browser access to OWA uses modern authentication (HTTPS), not legacy, so it is not blocked.

    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 mistakenly think any policy including 'Exchange ActiveSync' or 'Office 365' will block all access to Exchange Online, ignoring that the policy's effect depends on the client app type (legacy vs. modern) and the specific access method (browser vs. mobile app).

Detailed technical explanation

How to think about this question

This policy leverages the 'Client apps' condition in Conditional Access to differentiate between modern authentication (e.g., browser-based OWA using OAuth 2.0) and legacy protocols (e.g., Exchange ActiveSync, POP3, IMAP). The 'Other clients' category includes any client that does not support modern authentication, such as older Office apps or basic auth clients. In practice, this policy is commonly used to enforce a 'block legacy authentication' strategy, which is critical for security because legacy protocols do not support MFA or conditional access controls, making them a common attack vector.

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 SC-900 question test?

Describe the capabilities of Microsoft Entra — This question tests Describe the capabilities of Microsoft Entra — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Access is allowed because the policy only blocks legacy authentication protocols. — The policy in the exhibit targets 'Office 365 Exchange Online' and includes a condition for 'Client apps: Exchange ActiveSync, Other clients'. However, the user is accessing Outlook Web App (OWA) from a browser, which uses modern authentication (HTTPS). The policy explicitly blocks legacy authentication protocols (Exchange ActiveSync and other clients that do not support modern auth). Since OWA uses modern authentication, it is not affected by this policy, so access is allowed. Option D correctly identifies that the policy only blocks legacy authentication protocols, not modern browser-based access.

What should I do if I get this SC-900 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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