Question 1,342 of 1,639
Respond to security incidentshardMultiple ChoiceObjective-mapped

SC-200 Respond to security incidents Practice Question

This SC-200 practice question tests your understanding of respond to security incidents. 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.

Fabrikam has a hybrid environment with on-premises Active Directory synced to Microsoft Entra ID. They use Microsoft Sentinel and Microsoft Defender XDR. A critical incident is opened: 'Credential theft detected - domain admin account compromised.' The incident includes alerts from Microsoft Defender for Identity (MDI) showing anomalous Kerberos ticket requests and from Microsoft Defender for Endpoint showing a process dump on a domain controller. You need to contain the incident immediately. The organization has a strict policy of not disabling the domain admin account without approval due to critical dependencies. Which of the following is the BEST course of action?

Clue words in this question

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

  • Clue: "immediately / without restart"

    Why it matters: Time or reboot constraint — the correct answer must take effect right away without requiring a reboot or reload.

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

Reset the krbtgt account password twice to force Kerberos ticket invalidation.

Option D is the best course of action because resetting the krbtgt account password twice invalidates all existing Kerberos tickets, including those issued to the compromised domain admin account. This effectively revokes the attacker's access without disabling the domain admin account, which aligns with the policy of not disabling it without approval. Option A is incorrect because resetting the domain admin password alone does not invalidate Kerberos tickets already issued; the attacker could still use existing tickets. Option B is incorrect because disabling the domain admin account violates the stated policy. Option C is incorrect because isolating the domain controller would disrupt critical services and does not directly address the credential theft or invalidate tickets.

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.

  • Reset the domain admin password and revoke sessions in Microsoft Entra ID.

    Why it's wrong here

    This does not invalidate existing Kerberos tickets.

  • Disable the domain admin account temporarily.

    Why it's wrong here

    This violates the organization's policy.

  • Isolate the domain controller using Microsoft Defender for Endpoint.

    Why it's wrong here

    Isolation would disrupt authentication and other critical services.

  • Reset the krbtgt account password twice to force Kerberos ticket invalidation.

    Why this is correct

    This invalidates all existing Kerberos tickets, cutting off attacker access.

    Clue confirmation

    The clue word "immediately / without restart" in the question point toward this answer.

    Related concept

    Read the scenario before looking for a memorised answer.

Common exam traps

Common exam trap: answer the scenario, not the keyword

Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.

Detailed technical explanation

How to think about this question

This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.

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.
  • Use explanations to understand the rule behind the answer.

TExam Day Tips

  • Underline the problem statement mentally.
  • 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.

Visual reference

Client Server SYN (seq=100) SYN-ACK (seq=200, ack=101) ACK (ack=201) Connection established — data transfer begins

What to study next

Got this wrong? Here's your next step.

Identify which SC-200 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.

Related practice questions

Related SC-200 practice-question pages

Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.

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FAQ

Questions learners often ask

What does this SC-200 question test?

Respond to security incidents — This question tests Respond to security incidents — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Reset the krbtgt account password twice to force Kerberos ticket invalidation. — Option D is the best course of action because resetting the krbtgt account password twice invalidates all existing Kerberos tickets, including those issued to the compromised domain admin account. This effectively revokes the attacker's access without disabling the domain admin account, which aligns with the policy of not disabling it without approval. Option A is incorrect because resetting the domain admin password alone does not invalidate Kerberos tickets already issued; the attacker could still use existing tickets. Option B is incorrect because disabling the domain admin account violates the stated policy. Option C is incorrect because isolating the domain controller would disrupt critical services and does not directly address the credential theft or invalidate tickets.

What should I do if I get this SC-200 question wrong?

Identify which SC-200 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.

Are there clue words in this question I should notice?

Yes — watch for: "immediately / without restart". Time or reboot constraint — the correct answer must take effect right away without requiring a reboot or reload.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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Last reviewed: Jun 21, 2026

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This SC-200 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 SC-200 exam.