This AIF-C01 practice question tests your understanding of aif-c01 exam topics. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A developer is evaluating generative AI models for a code generation task. Which THREE metrics are commonly used for automated evaluation of generated code? (Choose THREE.)
BERTScore
BERTScore uses embeddings to compute similarity and is applicable to code.
BLEU
BLEU measures precision of n-grams and is used for code translation tasks.
ROUGE
ROUGE measures recall of n-grams and is used for code summarization.
Human evaluation score
Why wrong: Human evaluation is not an automated metric.
Perplexity
Why wrong: Perplexity is a language model metric, not directly for evaluating generated code.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
BERTScore
Common automated metrics for code generation include BLEU (n-gram overlap), ROUGE (recall-oriented), and BERTScore (contextual similarity). Perplexity is for language modeling, and human evaluation is not automated. Note: While ROUGE and BLEU originate from NLP, they are also used for code generation evaluation.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
BERTScore
Why this is correct
BERTScore uses embeddings to compute similarity and is applicable to code.
Related concept
Static NAT maps one inside address to one outside address.
BLEU
Why this is correct
BLEU measures precision of n-grams and is used for code translation tasks.
Related concept
Static NAT maps one inside address to one outside address.
ROUGE
Why this is correct
ROUGE measures recall of n-grams and is used for code summarization.
Related concept
Static NAT maps one inside address to one outside address.
Human evaluation score
Why it's wrong here
Human evaluation is not an automated metric.
Perplexity
Why it's wrong here
Perplexity is a language model metric, not directly for evaluating generated code.
Common exam traps
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Detailed technical explanation
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Real-world example
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related AIF-C01 NAT questions on configuration and troubleshooting.
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FAQ
Static NAT maps one inside address to one outside address.
The correct answer is: BERTScore — Common automated metrics for code generation include BLEU (n-gram overlap), ROUGE (recall-oriented), and BERTScore (contextual similarity). Perplexity is for language modeling, and human evaluation is not automated. Note: While ROUGE and BLEU originate from NLP, they are also used for code generation evaluation.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related AIF-C01 NAT questions on configuration and troubleshooting.
Static NAT maps one inside address to one outside address.
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Last reviewed: Jul 4, 2026
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