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Secure, monitor, and optimize data storage and data processing →mediumMultiple ChoiceObjective-mapped

Quick Answer

The correct answer is that the policy denies storage accounts that allow public network access. This outcome occurs because the Azure Policy definition evaluates the `defaultAction` property of a storage account’s network rules; when that property is set to `Allow`, the policy triggers a deny effect, blocking both the creation of new accounts and the modification of existing accounts that permit public access. On the Microsoft Azure Data Engineer Associate DP-203 exam, this scenario tests your understanding of how Azure Policy enforces compliance at scale, often appearing in questions about securing data storage against unauthorized access. A common trap is assuming the policy only blocks new accounts, but the deny effect applies to existing resources as well, making it a powerful guardrail for preventing public exposure. Memory tip: think “Deny the Allow” — if the default network access says “Allow,” the policy says “No.”

DP-203 Practice Question: Secure, monitor, and optimize data storage and data processing

This DP-203 practice question tests your understanding of secure, monitor, and optimize data storage and data processing. 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.

{
  "properties": {
    "policyRule": {
      "if": {
        "field": "type",
        "equals": "Microsoft.Storage/storageAccounts"
      },
      "then": {
        "effect": "deny",
        "details": {
          "field": "Microsoft.Storage/storageAccounts/networkAcls.defaultAction",
          "equals": "Allow"
        }
      }
    }
  }
}

You are an Azure administrator. You apply the Azure Policy shown in the exhibit to a management group. What is the outcome of this policy?

Question 1mediummultiple choice
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Exhibit

Refer to the exhibit.

{
  "properties": {
    "policyRule": {
      "if": {
        "field": "type",
        "equals": "Microsoft.Storage/storageAccounts"
      },
      "then": {
        "effect": "deny",
        "details": {
          "field": "Microsoft.Storage/storageAccounts/networkAcls.defaultAction",
          "equals": "Allow"
        }
      }
    }
  }
}

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

✓

It denies storage accounts that allow public network access.

Option D is correct because the policy denies storage accounts where the default network access is set to 'Allow' (i.e., public access). Option A (denies creation only) is not true; it applies to existing accounts as well via auditing/deny. Option B (allows only HTTPS) is unrelated. Option C (requires firewall) is not stated.

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.

  • ✗

    It allows storage accounts only if they have a firewall rule.

    Why it's wrong here

    The policy checks defaultAction, not firewall rules.

  • ✓

    It denies storage accounts that allow public network access.

    Why this is correct

    The policy denies when defaultAction equals Allow, meaning public access is allowed.

    Related concept

    Standard ACLs match source addresses.

  • ✗

    It requires all storage accounts to use HTTPS only.

    Why it's wrong here

    HTTPS enforcement is a different policy.

  • ✗

    It denies the creation of any new storage account.

    Why it's wrong here

    The policy only denies if defaultAction is Allow, not all storage accounts.

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 DP-203 ACL questions on filtering logic and placement.

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FAQ

Questions learners often ask

What does this DP-203 question test?

Secure, monitor, and optimize data storage and data processing — This question tests Secure, monitor, and optimize data storage and data processing — Standard ACLs match source addresses..

What is the correct answer to this question?

The correct answer is: It denies storage accounts that allow public network access. — Option D is correct because the policy denies storage accounts where the default network access is set to 'Allow' (i.e., public access). Option A (denies creation only) is not true; it applies to existing accounts as well via auditing/deny. Option B (allows only HTTPS) is unrelated. Option C (requires firewall) is not stated.

What should I do if I get this DP-203 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 DP-203 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 DP-203 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 DP-203 exam.