Prompt Engineering Fundamentals
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Correct answer: D. Writing instructions so that a model consistently produces output meeting your requirements
Explanation
The principle — Prompting is writing, not configuration. The input is ordinary language, and the goal is reliability rather than a single lucky answer.
Why the key is correct — OpenAI defines prompt engineering as the process of writing effective instructions for a model such that it consistently generates content that meets your requirements. The word doing the work is "consistently": a prompt that succeeds once has not been engineered.
Why the others are wrong — There is no keyword syntax to memorise. Picking a model is a separate decision that prompting cannot substitute for. Changing a model's weights is fine-tuning, which OpenAI contrasts with prompting rather than equating to it.
Remember this — Same requirement, same quality, every time. That is the target.
Sources — OpenAI, Prompt engineering.
Sources
“Prompt engineering is the process of writing effective instructions for a model, such that it consistently generates content that meets your requirements.”
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