- A
Enable Defender for Cloud on each subscription and configure email notifications for alerts.
Why wrong: Enabling the plan does not automatically install the agent.
- B
Assign an Azure Policy that deploys the Log Analytics agent to all VMs.
Why wrong: While possible, auto-provisioning is the recommended method in Defender for Cloud.
- C
In Defender for Cloud, enable auto-provisioning for the Log Analytics agent at the management group level and specify the central workspace.
Auto-provisioning at management group level ensures all subscriptions are covered and new VMs are automatically onboarded.
- D
Create a Log Analytics workspace in each subscription and configure Defender for Cloud to use that workspace.
Why wrong: This does not auto-provision the agent on new VMs.
SC-100 Design security solutions for infrastructure Practice Question
This SC-100 practice question tests your understanding of design security solutions for infrastructure. 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.
Your organization is using Microsoft Defender for Cloud to manage security across multiple Azure subscriptions. You need to ensure that all virtual machines in the subscriptions are monitored by Defender for Cloud and that security alerts are sent to the security operations team. You also need to enforce that any new VMs are automatically onboarded to Defender for Cloud. You have a Log Analytics workspace in the central subscription. What should you do?
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
In Defender for Cloud, enable auto-provisioning for the Log Analytics agent at the management group level and specify the central workspace.
Option C is correct because enabling auto-provisioning of the Log Analytics agent at the management group scope ensures all VMs across subscriptions are monitored and new VMs are automatically onboarded. Option A is wrong because configuring only the workspace does not auto-provision. Option B is wrong because Azure Policy can enforce agent deployment, but auto-provisioning is simpler and more direct. Option D is wrong because enabling Defender for Cloud at the subscription level does not automatically install the agent.
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.
- ✗
Enable Defender for Cloud on each subscription and configure email notifications for alerts.
Why it's wrong here
Enabling the plan does not automatically install the agent.
- ✗
Assign an Azure Policy that deploys the Log Analytics agent to all VMs.
Why it's wrong here
While possible, auto-provisioning is the recommended method in Defender for Cloud.
- ✓
In Defender for Cloud, enable auto-provisioning for the Log Analytics agent at the management group level and specify the central workspace.
Why this is correct
Auto-provisioning at management group level ensures all subscriptions are covered and new VMs are automatically onboarded.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Create a Log Analytics workspace in each subscription and configure Defender for Cloud to use that workspace.
Why it's wrong here
This does not auto-provision the agent on new VMs.
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
An e-commerce site experiences heavy traffic on Black Friday and near-zero traffic during off-peak weeks. Rather than provisioning permanent large VMs, the team uses auto-scaling groups that add capacity automatically under load and reduce it overnight. Questions like this test whether you understand elasticity, availability zones, and cloud compute scaling patterns.
What to study next
Got this wrong? Here's your next step.
Identify which SC-100 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.
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Design security solutions for infrastructure — study guide chapter
Learn the concepts, then practise the questions
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Design security solutions for infrastructure practice questions
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FAQ
Questions learners often ask
What does this SC-100 question test?
Design security solutions for infrastructure — This question tests Design security solutions for infrastructure — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: In Defender for Cloud, enable auto-provisioning for the Log Analytics agent at the management group level and specify the central workspace. — Option C is correct because enabling auto-provisioning of the Log Analytics agent at the management group scope ensures all VMs across subscriptions are monitored and new VMs are automatically onboarded. Option A is wrong because configuring only the workspace does not auto-provision. Option B is wrong because Azure Policy can enforce agent deployment, but auto-provisioning is simpler and more direct. Option D is wrong because enabling Defender for Cloud at the subscription level does not automatically install the agent.
What should I do if I get this SC-100 question wrong?
Identify which SC-100 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.
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 21, 2026
This SC-100 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-100 exam.
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