The correct answer is that the function is missing the required 'description' property. In Azure AI Agent Service, when you define a function for a tool, the model relies on the function's description to determine when to invoke it, even if the system instructions explicitly say to call it. Without this description, the model lacks the semantic context needed to map a user query like "What is the weather in Seattle?" to the appropriate function call. This scenario tests your understanding of function tool definitions for the AI-102 exam, where a common trap is assuming that instructions alone are sufficient—the model prioritizes the structured function schema over free-text instructions. Remember that the description field is not optional; it acts as the model's primary trigger for tool selection. A helpful memory tip: "If the model won't call, check the description—it's the function's 'why'."
AI-102 Implement an agentic solution Practice Question
This AI-102 practice question tests your understanding of implement an agentic solution. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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.
{
"assistant_id": "asst_xyz",
"instructions": "You are a helpful assistant. When asked about weather, call the get_weather function.",
"tools": [
{
"type": "code_interpreter"
},
{
"type": "function",
"function": {
"name": "get_weather",
"strict": true,
"parameters": {
"type": "object",
"properties": {
"location": {
"type": "string"
}
},
"required": ["location"]
}
}
}
],
"tool_resources": {
"code_interpreter": {
"file_ids": []
}
}
}
Refer to the exhibit. You have created an assistant with the above configuration. When you send a message 'What is the weather in Seattle?', the assistant responds without calling the function. 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.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The function is missing the 'description' property
The function definition is missing the 'description' field, which is required for the model to understand when to call the function. The instructions say to call the function, but the model relies on the function's description. The other settings are correct.
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.
✗
The 'instructions' are not being followed
Why it's wrong here
Instructions are guidelines, but the function description is critical.
✗
The 'strict' parameter is set to true
Why it's wrong here
Strict is correct.
✓
The function is missing the 'description' property
Why this is correct
The description helps the model decide to call the function.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
The 'tool_resources' code_interpreter has empty file_ids
Why it's wrong here
Empty file_ids are fine.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
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.
Use explanations to understand the rule behind the answer.
TExam Day Tips
→Underline the problem statement mentally.
→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 cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
Got this wrong? Here's your next step.
Identify which AI-102 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Implement an agentic solution — This question tests Implement an agentic solution — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The function is missing the 'description' property — The function definition is missing the 'description' field, which is required for the model to understand when to call the function. The instructions say to call the function, but the model relies on the function's description. The other settings are correct.
What should I do if I get this AI-102 question wrong?
Identify which AI-102 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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?
Read the scenario before looking for a memorised answer.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. Refer to the exhibit. You are configuring an agent in Azure AI Agent Service. You want the agent to be able to execute Python code and call a custom function to get weather data. What is the issue with the JSON configuration?
hard
✓ A.The function definition is missing the 'strict' parameter
B.The 'code_interpreter' tool type should be 'code_interpreter' not 'code_interpreter'
C.The model 'gpt-4o' is not supported
D.The 'assistant_id' should be a thread ID
Why A: The function definition is missing the 'strict' parameter, which is required for function calling in the current API. The other parameters are correct. The model name is valid, and the code_interpreter tool is correctly enabled.
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
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.
Question Discussion
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
Sign in to join the discussion.