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Design security operations, identity, and compliance capabilities →hardMultiple ChoiceObjective-mapped

SC-100 Practice Question: Design security operations, identity, and compliance capabilities

This SC-100 practice question tests your understanding of design security operations, identity, and compliance capabilities. 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.
```bicep
resource defenderForCloudSettings 'Microsoft.Security/pricings@2023-01-01' = {
  name: 'VirtualMachines'
  properties: {
    pricingTier: 'Standard'
    extensions: [
      {
        name: 'AgentlessVmScanning'
        isEnabled: true
      }
    ]
  }
}
```

Refer to the exhibit. You are deploying this Bicep template to enable Microsoft Defender for Cloud's VM protection. After deployment, you notice that Agentless VM scanning is not enabled for existing VMs. 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.

Exhibit

Refer to the exhibit.
```bicep
resource defenderForCloudSettings 'Microsoft.Security/pricings@2023-01-01' = {
  name: 'VirtualMachines'
  properties: {
    pricingTier: 'Standard'
    extensions: [
      {
        name: 'AgentlessVmScanning'
        isEnabled: true
      }
    ]
  }
}
```

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 extension 'AgentlessVmScanning' must be defined outside the pricing resource.

Option D is correct because the 'AgentlessVmScanning' extension is not a valid sub-resource of the pricing resource. In Bicep, agentless VM scanning is configured via a separate 'Microsoft.Security/vmScanners' resource, not nested inside the pricing resource. Defining it inside the pricing resource would cause a configuration error, resulting in agentless scanning not being enabled. Option B is incorrect: agentless scanning is automatically enabled for all existing and new VMs when the plan is enabled; existing VMs do not require manual rescanning.

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 pricing tier must be 'Free' to enable agentless scanning.

    Why it's wrong here

    'Free' tier does not support agentless scanning; this option is wrong.

  • ✗

    Agentless scanning is only enabled for new VMs; existing VMs require rescanning.

    Why it's wrong here

    Agentless scanning is enabled for all VMs (existing and new) when the plan is enabled, so this option is incorrect.

  • ✗

    The resource name 'VirtualMachines' is incorrect; it should be 'virtualMachines'.

    Why it's wrong here

    'VirtualMachines' is the correct resource name for the Defender for Cloud pricing plan for VMs.

  • ✓

    The extension 'AgentlessVmScanning' must be defined outside the pricing resource.

    Why this is correct

    The 'AgentlessVmScanning' extension must be defined as a separate resource (e.g., 'Microsoft.Security/vmScanners') outside the pricing resource, making this the correct answer.

    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.

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 startup's cloud architect reviews their monthly bill and notices costs are higher than expected for a long-running batch job. Switching from on-demand instances to Reserved Instances — or using Spot/Preemptible VMs — can reduce compute costs by up to 72 %. Questions like this test whether you understand the tradeoffs between commitment, flexibility, and cost across cloud pricing models.

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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FAQ

Questions learners often ask

What does this SC-100 question test?

Design security operations, identity, and compliance capabilities — This question tests Design security operations, identity, and compliance capabilities — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: The extension 'AgentlessVmScanning' must be defined outside the pricing resource. — Option D is correct because the 'AgentlessVmScanning' extension is not a valid sub-resource of the pricing resource. In Bicep, agentless VM scanning is configured via a separate 'Microsoft.Security/vmScanners' resource, not nested inside the pricing resource. Defining it inside the pricing resource would cause a configuration error, resulting in agentless scanning not being enabled. Option B is incorrect: agentless scanning is automatically enabled for all existing and new VMs when the plan is enabled; existing VMs do not require manual rescanning.

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.

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.

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Last reviewed: Jun 21, 2026

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