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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. 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.

Exhibit

Refer to the exhibit.

```json
{
  "name": "Block legacy authentication",
  "conditions": {
    "clientAppTypes": ["exchangeActiveSync", "otherClients"]
  },
  "grantControls": {
    "builtInControls": ["block"]
  }
}
```

Refer to the exhibit. A Conditional Access policy is defined as shown. Which client applications will be blocked?

Question 1hardmultiple choice
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Exhibit

Refer to the exhibit.

```json
{
  "name": "Block legacy authentication",
  "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

✓

Legacy authentication clients such as IMAP, POP, and SMTP.

The policy targets 'Legacy authentication clients' such as IMAP, POP, and SMTP, which do not support modern authentication protocols like OAuth 2.0. These protocols rely on basic authentication and are blocked by Conditional Access policies configured to require modern authentication. Option C is correct because the policy explicitly blocks these legacy protocols.

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.

  • ✗

    Browser-based applications accessing Office 365.

    Why it's wrong here

    Browser apps are not targeted.

  • ✗

    Exchange ActiveSync clients only.

    Why it's wrong here

    The policy also includes 'otherClients', not just ActiveSync.

  • ✓

    Legacy authentication clients such as IMAP, POP, and SMTP.

    Why this is correct

    These are included in 'otherClients' and 'exchangeActiveSync'.

    Related concept

    Read the scenario before looking for a memorised answer.

  • ✗

    Applications using modern authentication (e.g., Outlook for Windows with OAuth).

    Why it's wrong here

    Modern authentication is not targeted by this policy.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates may confuse 'Exchange ActiveSync clients' (which can use modern authentication) with legacy protocols like IMAP/POP/SMTP, or assume that all browser-based apps are blocked, when the policy specifically targets legacy authentication clients only.

Detailed technical explanation

How to think about this question

Legacy authentication protocols like IMAP, POP, and SMTP use basic authentication, sending credentials in plaintext or via simple hashing, making them vulnerable to password spray and replay attacks. Conditional Access policies block these by evaluating the 'Client app' condition, which includes 'Exchange ActiveSync clients' and 'Other clients' (legacy). In real-world scenarios, organizations often block legacy authentication to enforce MFA and reduce attack surface, as these protocols cannot enforce device compliance or risk-based policies.

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: Legacy authentication clients such as IMAP, POP, and SMTP. — The policy targets 'Legacy authentication clients' such as IMAP, POP, and SMTP, which do not support modern authentication protocols like OAuth 2.0. These protocols rely on basic authentication and are blocked by Conditional Access policies configured to require modern authentication. Option C is correct because the policy explicitly blocks these legacy protocols.

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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