1Z0-1127-25 Prompt Engineering Practice Question
A prompt engineer wants the model to adopt a formal and authoritative tone when generating financial reports. Which approach is MOST effective?
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
✓
Set the system prompt to 'You are a financial expert. Always respond with a formal, authoritative tone.'
Setting a system prompt (or preamble) instructs the model on its role, tone, and constraints before the user message. This is the standard way to enforce persona and tone consistently.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Set the temperature to 0 to ensure deterministic output
Why it's wrong here
Temperature 0 makes output deterministic but does not control tone.
- ✓
Set the system prompt to 'You are a financial expert. Always respond with a formal, authoritative tone.'
Why this is correct
The system prompt is designed to set the overall behavior, persona, and tone for the entire conversation.
- ✗
Use few-shot examples of formal responses in the user message
Why it's wrong here
Few-shot examples help, but the system prompt is the primary mechanism for setting tone.
- ✗
Include the instruction 'Be formal' in the user message
Why it's wrong here
While this can influence the output, it is less reliable than a system prompt because the user message may be overridden by other contexts.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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