1Z0-1127-25 Prompt Engineering Practice Question
Which THREE are common prompt failures that can degrade model performance?
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
✓
Prompt injection vulnerabilities that allow malicious input to override instructions
Ambiguous instructions, insufficient context, and prompt injection are well-known failure modes.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Using too few tokens in the output
Why it's wrong here
Output length is a constraint, not a prompt failure.
- ✓
Prompt injection vulnerabilities that allow malicious input to override instructions
Why this is correct
Prompt injection can hijack the model's behavior.
- ✓
Ambiguous instructions that can be interpreted in multiple ways
Why this is correct
Leads to unpredictable outputs.
- ✓
Insufficient context for the model to answer correctly
Why this is correct
Without enough context, the model may guess or hallucinate.
- ✗
Setting temperature too high
Why it's wrong here
High temperature is a parameter choice, not a prompt failure.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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