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Exam AB-100 Topic 1 Question 39 Discussion

Actual exam question for Microsoft's AB-100 exam
Question #: 39
Topic #: 1
A company has a Microsoft Foundry generative AI model.
You need to evaluate the model's output to measure the overall quality and coherence of generated responses. The evaluation must use GPT-4o as a judge and return a numeric score for each output.
Which type of metric should you use?

Suggested Answer: D Vote an answer

To evaluate overall quality and coherence in Microsoft Foundry, use AI-assisted quality evaluators. These metrics use a "judge" model (like GPT-4o) to score responses on a numeric Likert scale (typically 1 to 5).
Recommended Metric: Coherence
The Coherence evaluator is the most direct fit for measuring how well-structured and logical a response is.
What it measures: The collective quality of all sentences and how they flow together.
Numeric Score: Returns an integer from 1 (Poor) to 5 (Excellent).
Output: Includes a coherence score, a coherence_reason (explanation from the judge), and a pass/fail result based on a threshold (default is 3).
Reference:
https://learn.microsoft.com/en-us/azure/foundry/how-to/evaluate-generative-ai-app

by Betsy at Sep 09, 2026, 12:51 AM

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