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Implement natural language processing solutions →mediumMultiple ChoiceObjective-mapped

Azure AI Services Network Firewall: Allowing Local API Testing

This AI-102 practice question tests your understanding of implement natural language processing 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.

{
  "apiVersion": "2024-01-01",
  "type": "Microsoft.CognitiveServices/accounts",
  "name": "myAIServices",
  "location": "eastus",
  "sku": {
    "name": "S0"
  },
  "properties": {
    "apiProperties": {
      "statisticsEnabled": true
    },
    "networkAcls": {
      "defaultAction": "Deny",
      "ipRules": []
    }
  }
}

You deploy an Azure AI Services resource using the ARM template shown in the exhibit. You need to test the Language service API from your local machine. What should you do first?

Clue words in this question

Noticing these words before you look at the options changes how you read each choice.

  • Clue: "first"

    Why it matters: Order matters here. You are being tested on which action comes before the others — not which action is generally useful.

Exhibit

Refer to the exhibit.

{
  "apiVersion": "2024-01-01",
  "type": "Microsoft.CognitiveServices/accounts",
  "name": "myAIServices",
  "location": "eastus",
  "sku": {
    "name": "S0"
  },
  "properties": {
    "apiProperties": {
      "statisticsEnabled": true
    },
    "networkAcls": {
      "defaultAction": "Deny",
      "ipRules": []
    }
  }
}

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

✓

Add your public IP address to the ipRules array in the networkAcls

The ARM template in the exhibit sets `defaultAction` to `Deny`, which blocks all traffic not explicitly allowed by the `ipRules` array. To test the Language service API from your local machine, you must add your public IP address to the `ipRules` array so that the resource's network firewall permits inbound requests from your IP. Without this step, all API calls from your local machine will be rejected with a 403 Forbidden error.

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.

  • ✗

    Configure a managed identity for the resource

    Why it's wrong here

    Managed identity doesn't bypass network restrictions.

  • ✓

    Add your public IP address to the ipRules array in the networkAcls

    Why this is correct

    This allows your IP to access the resource.

    Clue confirmation

    The clue word "first" in the question point toward this answer.

    Related concept

    Read the scenario before looking for a memorised answer.

  • ✗

    Change the defaultAction to Allow

    Why it's wrong here

    Allowing all traffic is not secure and not the first step.

  • ✗

    Use Azure CLI to enable the resource

    Why it's wrong here

    The resource is already enabled; network access is blocked.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates assume changing `defaultAction` to `Allow` is the simplest fix, but the question tests understanding that the resource is already deployed and the firewall is blocking traffic—so the correct first step is to explicitly permit your specific IP, not to open the resource to the entire internet.

Detailed technical explanation

How to think about this question

The `networkAcls.ipRules` array in an ARM template defines a list of allowed IPv4 addresses or CIDR ranges using the `value` property (e.g., `"value": "203.0.113.0/24"`). When `defaultAction` is `Deny`, the Azure AI Services resource's firewall evaluates each incoming request against these rules before any authentication (key or managed identity) occurs. A common real-world scenario is a developer working from a dynamic public IP; they must update the `ipRules` array each time their IP changes, or use a VPN/Service Endpoint for a more stable solution.

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.

TExam Day Tips

  • 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 company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.

What to study next

Got this wrong? Here's your next step.

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

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FAQ

Questions learners often ask

What does this AI-102 question test?

Implement natural language processing solutions — This question tests Implement natural language processing solutions — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Add your public IP address to the ipRules array in the networkAcls — The ARM template in the exhibit sets `defaultAction` to `Deny`, which blocks all traffic not explicitly allowed by the `ipRules` array. To test the Language service API from your local machine, you must add your public IP address to the `ipRules` array so that the resource's network firewall permits inbound requests from your IP. Without this step, all API calls from your local machine will be rejected with a 403 Forbidden error.

What should I do if I get this AI-102 question wrong?

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

Are there clue words in this question I should notice?

Yes — watch for: "first". Order matters here. You are being tested on which action comes before the others — not which action is generally useful.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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Last reviewed: Jul 4, 2026

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This AI-102 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 AI-102 exam.