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Question 660
A RAG system returns plausible answers but rarely retrieves the correct source. Which evaluation is needed?
- Semantic embeddings
- Metadata filtering
- Retrieval benchmark evaluation
- Document chunking
Explanation
Correct Answer
C:Retrieval must be tested separately from generation fluency. Benchmark evaluation checks whether the system finds the correct passages on known questions.
Incorrect Answers
A:Embeddings represent query and passage meaning as vectors for similarity matching. This does not directly meet the case requirement to measure actual source-passage selection quality.
B:Metadata filtering restricts retrieval by fields such as document date, language or category. This does not directly meet the case requirement to measure actual source-passage selection quality.
D:Chunking divides large documents into passages suitable for focused retrieval. This does not directly meet the case requirement to measure actual source-passage selection quality.
Question 661
A creative-writing model produces nearly identical sentences and the team wants more varied sampling. Which parameter should be considered?
- Temperature
- Context window
- Safety settings
- Top-p sampling
Explanation
Correct Answer
A:Temperature can alter sampling diversity. Temperature changes randomness in model token sampling, subject to a model's supported implementation.
Incorrect Answers
B:The context window bounds how much input and output history the model can consider together. This does not directly meet the case requirement to control response randomness.
C:Safety settings configure supported content filtering or thresholds independent of sampling randomness. This does not directly meet the case requirement to control response randomness.
D:Top-p limits candidate tokens to a cumulative probability mass during nucleus sampling. This does not directly meet the case requirement to control response randomness.
Question 662
An engineer wants token candidates restricted by cumulative probability rather than a fixed count. Which setting applies?
- Stop sequences
- Top-p sampling
- Context window
- Temperature
Explanation
Correct Answer
B:Top-p implements nucleus probability-mass sampling. Top-p limits candidate tokens to a cumulative probability mass during nucleus sampling.
Incorrect Answers
A:Stop sequences can signal that generation should end at specified patterns in supported models. This does not directly meet the case requirement to limit the token probability set.
C:The context window bounds how much input and output history the model can consider together. This does not directly meet the case requirement to limit the token probability set.
D:Temperature changes randomness in model token sampling, subject to a model's supported implementation. This does not directly meet the case requirement to limit the token probability set.
Question 663
A summary API must stop after a short response due to interface length limits. Which configuration helps?
- Stop sequences
- Temperature
- Top-p sampling
- Output token limit
Explanation
Correct Answer
D:An output token cap constrains maximum generation length. Output token limits constrain how many tokens a model may generate in a response.
Incorrect Answers
A:Stop sequences can signal that generation should end at specified patterns in supported models. This does not directly meet the case requirement to bound the number of generated tokens.
B:Temperature changes randomness in model token sampling, subject to a model's supported implementation. This does not directly meet the case requirement to bound the number of generated tokens.
C:Top-p limits candidate tokens to a cumulative probability mass during nucleus sampling. This does not directly meet the case requirement to bound the number of generated tokens.
Question 664
A long report is truncated before the model sees its final chapters. Which model limit is implicated?
- Temperature
- Stop sequences
- Context window
- Output token limit
Explanation
Correct Answer
C:The context budget bounds available input history. The context window bounds how much input and output history the model can consider together.
Incorrect Answers
A:Temperature changes randomness in model token sampling, subject to a model's supported implementation. This does not directly meet the case requirement to fit the source document within context limits.
B:Stop sequences can signal that generation should end at specified patterns in supported models. This does not directly meet the case requirement to fit the source document within context limits.
D:Output token limits constrain how many tokens a model may generate in a response. This does not directly meet the case requirement to fit the source document within context limits.
Question 665
A structured generation workflow should stop when a special end marker is emitted. Which parameter is relevant if supported?
- Temperature
- Stop sequences
- Safety settings
- Output token limit
Explanation
Correct Answer
B:Stop sequences define termination patterns. Stop sequences can signal that generation should end at specified patterns in supported models.
Incorrect Answers
A:Temperature changes randomness in model token sampling, subject to a model's supported implementation. This does not directly meet the case requirement to end generation at a specified delimiter.
C:Safety settings configure supported content filtering or thresholds independent of sampling randomness. This does not directly meet the case requirement to end generation at a specified delimiter.
D:Output token limits constrain how many tokens a model may generate in a response. This does not directly meet the case requirement to end generation at a specified delimiter.
Question 666
A public assistant must filter harmful content, independent of whether output is creative. Which controls address that?
- Temperature
- Safety settings
- Output token limit
- Stop sequences
Explanation
Correct Answer
B:Safety policies manage allowed content categories. Safety settings configure supported content filtering or thresholds independent of sampling randomness.
Incorrect Answers
A:Temperature changes randomness in model token sampling, subject to a model's supported implementation. This does not directly meet the case requirement to screen harmful generated responses.
C:Output token limits constrain how many tokens a model may generate in a response. This does not directly meet the case requirement to screen harmful generated responses.
D:Stop sequences can signal that generation should end at specified patterns in supported models. This does not directly meet the case requirement to screen harmful generated responses.
Question 667
A support agent starts improvising different phrasings across identical prompts as sampling increases. Which setting likely changed?
- Top-p sampling
- Context window
- Output token limit
- Temperature
Explanation
Correct Answer
D:Sampling temperature affects variability. Temperature changes randomness in model token sampling, subject to a model's supported implementation.
Incorrect Answers
A:Top-p limits candidate tokens to a cumulative probability mass during nucleus sampling. This does not directly meet the case requirement to adjust randomness of word choices.
B:The context window bounds how much input and output history the model can consider together. This does not directly meet the case requirement to adjust randomness of word choices.
C:Output token limits constrain how many tokens a model may generate in a response. This does not directly meet the case requirement to adjust randomness of word choices.
Question 668
A model call considers candidate tokens until their total probability passes a threshold. Which parameter describes the mechanism?
- Output token limit
- Context window
- Top-p sampling
- Stop sequences
Explanation
Correct Answer
C:This is cumulative-probability sampling. Top-p limits candidate tokens to a cumulative probability mass during nucleus sampling.
Incorrect Answers
A:Output token limits constrain how many tokens a model may generate in a response. This does not directly meet the case requirement to control top-p probability mass.
B:The context window bounds how much input and output history the model can consider together. This does not directly meet the case requirement to control top-p probability mass.
D:Stop sequences can signal that generation should end at specified patterns in supported models. This does not directly meet the case requirement to control top-p probability mass.
Question 669
A service must cap generated responses to fit a mobile notification. Which setting is relevant?
- Safety settings
- Output token limit
- Context window
- Temperature
Explanation
Correct Answer
B:Output limits prevent excessively long generations. Output token limits constrain how many tokens a model may generate in a response.
Incorrect Answers
A:Safety settings configure supported content filtering or thresholds independent of sampling randomness. This does not directly meet the case requirement to limit output length during inference.
C:The context window bounds how much input and output history the model can consider together. This does not directly meet the case requirement to limit output length during inference.
D:Temperature changes randomness in model token sampling, subject to a model's supported implementation. This does not directly meet the case requirement to limit output length during inference.
Question 670
A meeting transcript exceeds the model's allowable tokens. What capacity should be compared?
- Context window
- Top-p sampling
- Temperature
- Output token limit
Explanation
Correct Answer
A:Context windows define supported request sizes. The context window bounds how much input and output history the model can consider together.
Incorrect Answers
B:Top-p limits candidate tokens to a cumulative probability mass during nucleus sampling. This does not directly meet the case requirement to choose a model with sufficient input capacity.
C:Temperature changes randomness in model token sampling, subject to a model's supported implementation. This does not directly meet the case requirement to choose a model with sufficient input capacity.
D:Output token limits constrain how many tokens a model may generate in a response. This does not directly meet the case requirement to choose a model with sufficient input capacity.
Generative AI Leader Practice Tests