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Microsoft Azure AI Engineer Associate AI-102 Practice Question

You need to fine-tune the gpt-35-turbo model in Azure OpenAI so that it produces legal citations in a specific format. You prepare a training file in JSONL format where each line contains the keys "prompt" and "completion". When you submit the job with the Azure OpenAI fine-tuning REST API, the request is rejected during data validation. What is the most likely cause of the failure?

  • The JSONL file is larger than 100 MB, exceeding the maximum size supported for fine-tuning.

  • The file uses Windows (CRLF) line endings instead of Unix (LF) line endings.

  • Chat models such as gpt-35-turbo require a "messages" array per record; using "prompt" and "completion" causes validation to fail.

  • The training dataset contains more than 50 000 tokens across all examples.

Microsoft Azure AI Engineer Associate AI-102
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