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Design infrastructure solutions →mediumMultiple ChoiceObjective-mapped

AZ-305 Design infrastructure solutions Practice Question

This AZ-305 practice question tests your understanding of design infrastructure solutions. 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.

Exhibit

Refer to the exhibit.

```json
{
  "properties": {
    "policyRule": {
      "if": {
        "field": "type",
        "equals": "Microsoft.Compute/virtualMachines"
      },
      "then": {
        "effect": "deny",
        "details": {
          "field": "Microsoft.Compute/virtualMachines/size",
          "notIn": ["Standard_D2s_v3", "Standard_D4s_v3", "Standard_D8s_v3"]
        }
      }
    },
    "parameters": {}
  }
}
```

You are an Azure administrator. You attempt to create a new virtual machine with size Standard_DS2_v2 in a subscription where the above Azure Policy is assigned. What will happen?

Question 1mediummultiple choice
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Exhibit

Refer to the exhibit.

```json
{
  "properties": {
    "policyRule": {
      "if": {
        "field": "type",
        "equals": "Microsoft.Compute/virtualMachines"
      },
      "then": {
        "effect": "deny",
        "details": {
          "field": "Microsoft.Compute/virtualMachines/size",
          "notIn": ["Standard_D2s_v3", "Standard_D4s_v3", "Standard_D8s_v3"]
        }
      }
    },
    "parameters": {}
  }
}
```

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 VM creation will be denied.

Option D is correct. The policy denies VM creation if the size is NOT in the allowed list. Standard_DS2_v2 is not in the list, so the VM creation will be denied. Option A is wrong because the policy applies to all VMs. Option B is wrong because the effect is deny, not audit. Option C is wrong because the VM size is not allowed.

Key principle: ACLs process entries top to bottom and stop at the first match. Entry order and interface direction matter as much as the permit or deny statement.

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 VM will be created but a compliance alert will be generated.

    Why it's wrong here

    The effect is 'deny', not 'audit'.

  • ✗

    The VM will be created but the size will be changed to Standard_D2s_v3.

    Why it's wrong here

    Azure Policy does not modify resources; it denies creation.

  • ✓

    The VM creation will be denied.

    Why this is correct

    The policy explicitly denies VM sizes not in the allowed list.

    Related concept

    Standard ACLs match source addresses.

  • ✗

    The VM will be created successfully.

    Why it's wrong here

    The policy denies non-allowed sizes.

Common exam traps

Common exam trap: ACLs stop at the first match

ACLs are processed top to bottom. The first matching entry wins, and an implicit deny usually exists at the end.

Detailed technical explanation

How to think about this question

ACL questions test precision: source, destination, protocol, port and direction. A generally correct ACL can still fail if it is applied on the wrong interface or in the wrong direction.

KKey Concepts to Remember

  • Standard ACLs match source addresses.
  • Extended ACLs can match source, destination, protocol and ports.
  • The first matching ACL entry is used.
  • There is usually an implicit deny at the end.

TExam Day Tips

  • Check inbound versus outbound direction.
  • Read the ACL from top to bottom.
  • Look for a broader permit or deny above the intended line.

Key takeaway

ACLs process entries top to bottom and stop at the first match. Entry order and interface direction matter as much as the permit or deny statement.

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.

Review ACL processing order, placement rules (standard near destination, extended near source), and inbound vs outbound direction. Study wildcard masks and implicit deny. Then practise related AZ-305 ACL questions on filtering logic and placement.

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FAQ

Questions learners often ask

What does this AZ-305 question test?

Design infrastructure solutions — This question tests Design infrastructure solutions — Standard ACLs match source addresses..

What is the correct answer to this question?

The correct answer is: The VM creation will be denied. — Option D is correct. The policy denies VM creation if the size is NOT in the allowed list. Standard_DS2_v2 is not in the list, so the VM creation will be denied. Option A is wrong because the policy applies to all VMs. Option B is wrong because the effect is deny, not audit. Option C is wrong because the VM size is not allowed.

What should I do if I get this AZ-305 question wrong?

Review ACL processing order, placement rules (standard near destination, extended near source), and inbound vs outbound direction. Study wildcard masks and implicit deny. Then practise related AZ-305 ACL questions on filtering logic and placement.

What is the key concept behind this question?

Standard ACLs match source addresses.

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Last reviewed: Jun 20, 2026

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