1Z0-1127-25 Prompt Engineering Practice Question
During iterative refinement, a prompt engineer tests two prompt variants on the same 100 inputs and measures accuracy. Variant A yields 85% accuracy, Variant B yields 82%. However, Variant B's outputs are more concise and preferred by users. What should the engineer do NEXT?
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
✓
Define clear evaluation criteria that balance accuracy and conciseness, then re-evaluate
Evaluation should be based on multiple criteria beyond accuracy, especially user preference. The engineer should establish a composite metric that includes both accuracy and conciseness.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Select Variant B because user preference outweighs the small accuracy difference
Why it's wrong here
The difference is small, but a principled approach is to define evaluation criteria first.
- ✗
Select Variant A because accuracy is the primary metric
Why it's wrong here
User preference is also important; ignoring it may lead to poor user satisfaction.
- ✗
Run a larger A/B test with statistical significance check before deciding
Why it's wrong here
While larger test may help, the immediate next step should be to define what matters.
- ✓
Define clear evaluation criteria that balance accuracy and conciseness, then re-evaluate
Why this is correct
Establishing weighted criteria ensures both dimensions are considered and the decision is objective.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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