AIF-C01 Applications of Foundation Models Practice Question
An e-commerce company uses Amazon Bedrock to generate product descriptions. They notice the descriptions are too long and contain repetitive phrases. Which parameter adjustment can help?
⚠ Common exam trap
AWS often tests the distinction between frequency penalty and presence penalty, where candidates confuse 'penalizing repetition' with 'reducing randomness' and incorrectly choose temperature or top_p adjustments.
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
✓
Increase frequency penalty
Increasing the frequency penalty reduces the likelihood of the model repeating the same phrases or tokens, directly addressing the issue of repetitive language in generated product descriptions. This parameter penalizes tokens that have already appeared in the text, encouraging more diverse output and naturally shortening overly long descriptions by avoiding redundant loops.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Increase frequency penalty
Why this is correct
Frequency penalty reduces the likelihood of repeating tokens.
- ✗
Increase temperature
Why it's wrong here
Temperature increases randomness, not repetition control.
- ✗
Increase top_p
Why it's wrong here
Top_p controls nucleus sampling, not repetition directly.
- ✗
Decrease presence penalty
Why it's wrong here
Reducing presence penalty would increase repetition.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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