Question 127 of 988

Implement an agentic solution →mediumMultiple ChoiceObjective-mapped

AI-102 Implement an agentic solution Practice Question

This AI-102 practice question tests your understanding of implement an agentic solution. 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

{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "resources": [
    {
      "type": "Microsoft.Agents/agent",
      "apiVersion": "2025-01-01-preview",
      "name": "MyAgent",
      "properties": {
        "displayName": "MyAgent",
        "model": {
          "provider": "AzureOpenAI",
          "name": "gpt-4o-mini",
          "version": "2024-07-18"
        },
        "actions": [
          {
            "type": "openApi",
            "id": "weatherApi",
            "authentication": {
              "type": "ApiKey",
              "keyName": "x-functions-key",
              "keyValue": "[listKeys(resourceId('Microsoft.Web/sites/functions', 'MyFunctionApp'), '2022-03-01').functionKeys.default]"
            },
            "parameters": {
              "url": "https://myfunctionapp.azurewebsites.net/api/weather"
            }
          }
        ]
      }
    }
  ]
}

Refer to the exhibit. You deploy this ARM template to create an agent in Microsoft Foundry. The agent uses an Azure Function as an action. The deployment succeeds but when the agent calls the function, it gets a 401 Unauthorized error. What is the most likely cause?

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.

Question 1mediummultiple choice

Full question →

Exhibit

{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "resources": [
    {
      "type": "Microsoft.Agents/agent",
      "apiVersion": "2025-01-01-preview",
      "name": "MyAgent",
      "properties": {
        "displayName": "MyAgent",
        "model": {
          "provider": "AzureOpenAI",
          "name": "gpt-4o-mini",
          "version": "2024-07-18"
        },
        "actions": [
          {
            "type": "openApi",
            "id": "weatherApi",
            "authentication": {
              "type": "ApiKey",
              "keyName": "x-functions-key",
              "keyValue": "[listKeys(resourceId('Microsoft.Web/sites/functions', 'MyFunctionApp'), '2022-03-01').functionKeys.default]"
            },
            "parameters": {
              "url": "https://myfunctionapp.azurewebsites.net/api/weather"
            }
          }
        ]
      }
    }
  ]
}

A
The authentication type should be ManagedIdentity instead of ApiKey.
Why wrong: ApiKey is valid for function apps.
B
The model provider is AzureOpenAI but should be AzureAI.
Why wrong: AzureOpenAI is correct.
C
The URL parameter is missing the function name in the path.
Why wrong: The URL includes the function name.
D
The listKeys function returns the host key, but the function requires a function-level key.
The function may be configured with function-level authorization requiring a specific key.

Full breakdown with real-world context →

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 listKeys function returns the host key, but the function requires a function-level key.

Option A is correct because the function key is retrieved from the default key, but the function might require a specific key. Option B is wrong because the function key is correctly passed as a header. Option C is wrong because the endpoint is valid. Option D is wrong because the model name is valid.

Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.

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 authentication type should be ManagedIdentity instead of ApiKey.
Why it's wrong here
ApiKey is valid for function apps.
✗
The model provider is AzureOpenAI but should be AzureAI.
Why it's wrong here
AzureOpenAI is correct.
✗
The URL parameter is missing the function name in the path.
Why it's wrong here
The URL includes the function name.
✓
The listKeys function returns the host key, but the function requires a function-level key.
Why this is correct
The function may be configured with function-level authorization requiring a specific key.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Static NAT maps one inside address to one outside address.

Common exam traps

Common exam trap: NAT rules depend on direction and matching traffic

NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.

Detailed technical explanation

How to think about this question

NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.

KKey Concepts to Remember

Static NAT maps one inside address to one outside address.
PAT allows many inside hosts to share one public address using ports.
Inside local and inside global describe the private and translated addresses.
NAT ACLs identify traffic for translation, not always security filtering.

TExam Day Tips

Identify inside and outside interfaces first.
Check whether the scenario needs static NAT, dynamic NAT or PAT.
Do not confuse NAT matching ACLs with normal packet-filtering intent.

Key takeaway

NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.

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.

Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related AI-102 NAT questions on configuration and troubleshooting.

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FAQ

Questions learners often ask

What does this AI-102 question test?

Implement an agentic solution — This question tests Implement an agentic solution — Static NAT maps one inside address to one outside address..

What is the correct answer to this question?

The correct answer is: The listKeys function returns the host key, but the function requires a function-level key. — Option A is correct because the function key is retrieved from the default key, but the function might require a specific key. Option B is wrong because the function key is correctly passed as a header. Option C is wrong because the endpoint is valid. Option D is wrong because the model name is valid.

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

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?

Static NAT maps one inside address to one outside address.

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Last reviewed: Jun 20, 2026

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