AI-102 Implement generative AI solutions Practice Question
Which THREE are valid parameters when calling the Azure OpenAI Service chat completions API?
⚠ Common exam trap
Microsoft often tests the distinction between parameters for different Azure OpenAI API endpoints (chat completions vs. embeddings vs. search), so candidates may confuse `index_name` or `embedding_model` as valid chat completions parameters due to their familiarity with other Azure AI services.
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
✓
messages
The `messages` parameter is required in the Azure OpenAI Service chat completions API call. It defines the conversation history and user input as an array of message objects, each with a `role` (system, user, assistant) and `content`. Without this parameter, the API cannot determine the context or prompt for generating a response.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
messages
Why this is correct
Required input.
- ✗
index_name
Why it's wrong here
Not a chat completions parameter.
- ✓
temperature
Why this is correct
Controls randomness.
- ✓
max_tokens
Why this is correct
Controls response length.
- ✗
embedding_model
Why it's wrong here
Not a chat completions parameter.
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