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Secure identity and access →mediumMultiple ChoiceObjective-mapped

AZ-500 Secure identity and access Practice Question

This AZ-500 practice question tests your understanding of secure identity and access. 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.

{
  "ConditionalAccessPolicy": {
    "displayName": "Block Legacy Auth",
    "state": "enabled",
    "conditions": {
      "clientAppTypes": ["exchangeActiveSync", "other"],
      "applications": {
        "includeApplications": ["Office365"]
      },
      "users": {
        "includeUsers": ["All"]
      }
    },
    "grantControls": {
      "builtInControls": ["block"]
    }
  }
}

Refer to the exhibit. A Conditional Access policy is configured to block legacy authentication for Office 365. However, users are still able to access Exchange Online using Outlook (modern authentication). What is the most likely reason?

Clue words in this question

Noticing these words before you look at the options changes how you read each choice.

  • Clue: "most likely"

    Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.

Question 1mediummultiple choice
Full question →

Exhibit

Refer to the exhibit.

{
  "ConditionalAccessPolicy": {
    "displayName": "Block Legacy Auth",
    "state": "enabled",
    "conditions": {
      "clientAppTypes": ["exchangeActiveSync", "other"],
      "applications": {
        "includeApplications": ["Office365"]
      },
      "users": {
        "includeUsers": ["All"]
      }
    },
    "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 policy only blocks legacy protocols, not modern authentication

The Conditional Access policy is configured to block legacy authentication, which targets protocols like POP3, IMAP, SMTP, and Exchange ActiveSync that do not support modern authentication. Modern authentication (used by Outlook with OAuth 2.0) is not affected by this policy, so users can still access Exchange Online via Outlook. The policy explicitly allows modern authentication flows, making option A correct.

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 only blocks legacy protocols, not modern authentication

    Why this is correct

    Modern authentication is not classified as 'other'.

    Clue confirmation

    The clue word "most likely" in the question point toward this answer.

    Related concept

    Read the scenario before looking for a memorised answer.

  • ✗

    The policy does not include Exchange Online

    Why it's wrong here

    Exchange Online is part of Office 365.

  • ✗

    The policy does not apply to all users

    Why it's wrong here

    It includes all users.

  • ✗

    The policy is not enabled

    Why it's wrong here

    The state is 'enabled'.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates assume 'block legacy authentication' means blocking all older clients, but it specifically targets authentication protocols, not client applications, so modern authentication clients like Outlook (with OAuth) are still allowed.

Detailed technical explanation

How to think about this question

Legacy authentication protocols (e.g., POP3, IMAP, SMTP, Exchange ActiveSync) use basic authentication or older tokenless methods, while modern authentication relies on OAuth 2.0 and OpenID Connect, which support multi-factor authentication and Conditional Access evaluation. The 'Block legacy authentication' policy in Azure AD Conditional Access specifically targets authentication requests that do not use modern authentication, leaving modern clients (like Outlook with OAuth) unaffected. This distinction is critical because administrators often mistakenly believe blocking legacy authentication will block all non-compliant access, but it only blocks protocols that cannot be evaluated by Conditional Access.

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 AZ-500 question test?

Secure identity and access — This question tests Secure identity and access — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: The policy only blocks legacy protocols, not modern authentication — The Conditional Access policy is configured to block legacy authentication, which targets protocols like POP3, IMAP, SMTP, and Exchange ActiveSync that do not support modern authentication. Modern authentication (used by Outlook with OAuth 2.0) is not affected by this policy, so users can still access Exchange Online via Outlook. The policy explicitly allows modern authentication flows, making option A correct.

What should I do if I get this AZ-500 question wrong?

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

Are there clue words in this question I should notice?

Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.

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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Last reviewed: Jun 25, 2026

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This AZ-500 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 AZ-500 exam.