1Z0-1127-25 Prompt Engineering Practice Question
A prompt engineer wants to generate a JSON object from an LLM response. Which prompt component is MOST critical to ensure the output is valid JSON?
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
✓
Output format specification
Explicitly specifying the output format (e.g., 'Provide the answer as a JSON object with keys ...') is essential for structured output. The other components are important for other aspects but not for format compliance.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
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Context and background
Why it's wrong here
Context helps the model understand the scenario but does not guarantee JSON formatting.
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Task instruction
Why it's wrong here
The task instruction tells the model what to do, but without format specification, it may not output JSON.
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Examples (few-shot)
Why it's wrong here
Examples can help but are not as direct as an explicit output format instruction.
- ✓
Output format specification
Why this is correct
Explicitly stating 'Output as JSON' with the desired structure is the most direct way to get valid JSON.
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