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Describe the capabilities of Microsoft security solutions →mediumMultiple ChoiceObjective-mapped

Quick Answer

The correct answer is that the storage account creation will be denied. This occurs because the Azure Policy definition explicitly checks for two conditions: the network ACLs are set to allow all traffic (defaultAction: Allow) and no IP rules are present. When both conditions are met, the policy’s deny effect actively blocks the resource creation, preventing any storage account with open network ACLs from being deployed. On the SC-900 exam, this scenario tests your understanding of how Azure Policy enforces security controls through effects like deny, audit, and append—a common trap is confusing deny with audit, which only logs noncompliant resources without blocking them. Remember the memory tip: “Deny blocks, audit talks” to distinguish these effects when evaluating policy assignments.

SC-900 Practice Question: Describe the capabilities of Microsoft security solutions

This SC-900 practice question tests your understanding of describe the capabilities of microsoft security 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

{
  "policyRule": {
    "condition": {
      "allOf": [
        {
          "field": "Microsoft.Storage/storageAccounts/networkAcls.defaultAction",
          "equals": "Allow"
        },
        {
          "field": "Microsoft.Storage/storageAccounts/networkAcls.ipRules",
          "exists": "false"
        }
      ]
    },
    "then": {
      "effect": "deny"
    }
  }
}

Refer to the exhibit. The exhibit shows an Azure Policy definition. A storage account named 'storagedev' is created with network ACLs set to allow all traffic (defaultAction: Allow) and no IP rules. What will happen when this policy is assigned?

Question 1mediummultiple choice
Study the full ACL explanation →

Exhibit

{
  "policyRule": {
    "condition": {
      "allOf": [
        {
          "field": "Microsoft.Storage/storageAccounts/networkAcls.defaultAction",
          "equals": "Allow"
        },
        {
          "field": "Microsoft.Storage/storageAccounts/networkAcls.ipRules",
          "exists": "false"
        }
      ]
    },
    "then": {
      "effect": "deny"
    }
  }
}

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 storage account creation will be denied

Option D is correct because the condition matches (defaultAction Allow and no IP rules) and the effect is deny, so the storage account creation will be denied. Option A is wrong because deny effect blocks creation. Option B is wrong because audit would log but not block. Option C is wrong because the condition is met.

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 storage account will be created successfully

    Why it's wrong here

    The deny effect will block creation.

  • ✗

    The policy will audit the storage account and mark it as non-compliant

    Why it's wrong here

    The effect is deny, not audit.

  • ✓

    The storage account creation will be denied

    Why this is correct

    The policy condition is met, and deny effect blocks creation.

    Related concept

    Standard ACLs match source addresses.

  • ✗

    The storage account will be created, but the policy will modify the ACLs

    Why it's wrong here

    Deny effect blocks, does not modify.

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

A media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.

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 SC-900 ACL questions on filtering logic and placement.

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FAQ

Questions learners often ask

What does this SC-900 question test?

Describe the capabilities of Microsoft security solutions — This question tests Describe the capabilities of Microsoft security solutions — Standard ACLs match source addresses..

What is the correct answer to this question?

The correct answer is: The storage account creation will be denied — Option D is correct because the condition matches (defaultAction Allow and no IP rules) and the effect is deny, so the storage account creation will be denied. Option A is wrong because deny effect blocks creation. Option B is wrong because audit would log but not block. Option C is wrong because the condition is met.

What should I do if I get this SC-900 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 SC-900 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 21, 2026

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This SC-900 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-900 exam.