1Z0-1127-25 Prompt Engineering Practice Question
Which of the following is a common prompt injection vulnerability?
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
✓
User input that contains 'Ignore previous instructions' followed by malicious commands
Prompt injection occurs when user input overrides the system's intended instructions. An attacker can inject 'Ignore previous instructions' to bypass safety guardrails.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Including too many few-shot examples
Why it's wrong here
Too many examples may increase cost but is not a security vulnerability.
- ✓
User input that contains 'Ignore previous instructions' followed by malicious commands
Why this is correct
This is a classic prompt injection attack that attempts to override the system prompt.
- ✗
Setting temperature too high
Why it's wrong here
High temperature may cause random outputs but is not an injection vulnerability.
- ✗
Using a system prompt that is too long
Why it's wrong here
Long system prompts may be truncated but do not directly enable injection.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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