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Realistic Latest NCA-GENL Exam Question Covers the Entire Syllabus of NCA-GENL

The PDF file of NCA-GENL real exam questions is easy to use on laptops, tablets, and smartphones. We have added all the NVIDIA NCA-GENL questions, which have a chance to appear in the NVIDIA NCA-GENL real test. Our NVIDIA Generative AI LLMs (NCA-GENL) dumps PDF exam questions are beneficial to prepare for the test in less time.

NVIDIA NCA-GENL Exam Syllabus Topics:

Topic
Details

Topic 1

Data Preprocessing and Feature Engineering: This section of the exam measures the skills of Data Engineers and covers preparing raw data into usable formats for model training or fine-tuning. It includes cleaning, normalizing, tokenizing, and feature extraction methods essential to building robust LLM pipelines.

Topic 2

Fundamentals of Machine Learning and Neural Networks: This section of the exam measures the skills of AI Researchers and covers the foundational principles behind machine learning and neural networks, focusing on how these concepts underpin the development of large language models (LLMs). It ensures the learner understands the basic structure and learning mechanisms involved in training generative AI systems.

Topic 3

LLM Integration and Deployment: This section of the exam measures skills of AI Platform Engineers and covers connecting LLMs with applications or services through APIs, and deploying them securely and efficiently at scale. It also includes considerations for latency, cost, monitoring, and updates in production environments.

Topic 4

This section of the exam measures skills of AI Product Developers and covers how to strategically plan experiments that validate hypotheses, compare model variations, or test model responses. It focuses on structure, controls, and variables in experimentation.

Topic 5

Experimentation: This section of the exam measures the skills of ML Engineers and covers how to conduct structured experiments with LLMs. It involves setting up test cases, tracking performance metrics, and making informed decisions based on experimental outcomes.:

Topic 6

Prompt Engineering: This section of the exam measures the skills of Prompt Designers and covers how to craft effective prompts that guide LLMs to produce desired outputs. It focuses on prompt strategies, formatting, and iterative refinement techniques used in both development and real-world applications of LLMs.

Topic 7

Software Development: This section of the exam measures the skills of Machine Learning Developers and covers writing efficient, modular, and scalable code for AI applications. It includes software engineering principles, version control, testing, and documentation practices relevant to LLM-based development.

Topic 8

Experiment Design

Topic 9

Python Libraries for LLMs: This section of the exam measures skills of LLM Developers and covers using Python tools and frameworks like Hugging Face Transformers, LangChain, and PyTorch to build, fine-tune, and deploy large language models. It focuses on practical implementation and ecosystem familiarity.

Topic 10

Alignment: This section of the exam measures the skills of AI Policy Engineers and covers techniques to align LLM outputs with human intentions and values. It includes safety mechanisms, ethical safeguards, and tuning strategies to reduce harmful, biased, or inaccurate results from models.

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Latest NCA-GENL Exam Question | Pass-Sure NVIDIA NCA-GENL Test Free: NVIDIA Generative AI LLMs

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NVIDIA Generative AI LLMs Sample Questions (Q61-Q66):

NEW QUESTION # 61
Which of the following claims is correct about TensorRT and ONNX?

A. TensorRT is used for model creation and ONNX is used for model deployment.
B. TensorRT is used for model creation and ONNX is used for model interchange.
C. TensorRT is used for model deployment and ONNX is used for model interchange.
D. TensorRT is used for model deployment and ONNX is used for model creation.

Answer: C

Explanation:
NVIDIA TensorRT is a deep learning inference library used to optimize and deploy models for high- performance inference, while ONNX (Open Neural Network Exchange) is a format for model interchange, enabling models to be shared across different frameworks, as covered in NVIDIA's Generative AI and LLMs course. TensorRT optimizes models (e.g., via layer fusion and quantization) for deployment on NVIDIA GPUs, while ONNX ensures portability by providing a standardized model representation. Option B is incorrect, as ONNX is not used for model creation but for interchange. Option C is wrong, as TensorRT is not for model creation but optimization and deployment. Option D is inaccurate, as ONNX is not for deployment but for model sharing. The course notes: "TensorRT optimizes and deploys deep learning models for inference, while ONNX enables model interchange across frameworks for portability." References: NVIDIA Building Transformer-Based Natural Language Processing Applications course; NVIDIA Introduction to Transformer-Based Natural Language Processing.

NEW QUESTION # 62
When preprocessing text data for an LLM fine-tuning task, why is it critical to apply subword tokenization (e.
g., Byte-Pair Encoding) instead of word-based tokenization for handling rare or out-of-vocabulary words?

A. Subword tokenization breaks words into smaller units, enabling the model to generalize to unseen words.
B. Subword tokenization creates a fixed-size vocabulary to prevent memory overflow.
C. Subword tokenization removes punctuation and special characters to simplify text input.
D. Subword tokenization reduces the model's computational complexity by eliminating embeddings.

Answer: A

Explanation:
Subword tokenization, such as Byte-Pair Encoding (BPE) or WordPiece, is critical for preprocessing text data in LLM fine-tuning because it breaks words into smaller units (subwords), enabling the model to handle rare or out-of-vocabulary (OOV) words effectively. NVIDIA's NeMo documentation on tokenization explains that subword tokenization creates a vocabulary of frequent subword units, allowing the model to represent unseen words by combining known subwords (e.g., "unseen" as "un" + "##seen"). This improves generalization compared to word-based tokenization, which struggles with OOV words. Option A is incorrect, as tokenization does not eliminate embeddings. Option B is false, as vocabulary size is not fixed but optimized.
Option D is wrong, as punctuation handling is a separate preprocessing step.
References:
NVIDIA NeMo Documentation: https://docs.nvidia.com/deeplearning/nemo/user-guide/docs/en/stable/nlp
/intro.html

NEW QUESTION # 63
You have access to training data but no access to test data. What evaluation method can you use to assess the performance of your AI model?

A. Randomized controlled trial
B. Cross-validation
C. Greedy decoding
D. Average entropy approximation

Answer: B

Explanation:
When test data is unavailable, cross-validation is the most effective method to assess an AI model's performance using only the training dataset. Cross-validation involves splitting the training data into multiple subsets (folds), training the model on some folds, and validating it on others, repeatingthis process to estimate generalization performance. NVIDIA's documentation on machine learning workflows, particularly in the NeMo framework for model evaluation, highlights k-fold cross-validation as a standard technique for robust performance assessment when a separate test set is not available. Option B (randomized controlled trial) is a clinical or experimental method, not typically used for model evaluation. Option C (average entropy approximation) is not a standard evaluation method. Option D (greedy decoding) is a generation strategy for LLMs, not an evaluation technique.
References:
NVIDIA NeMo Documentation: https://docs.nvidia.com/deeplearning/nemo/user-guide/docs/en/stable/nlp/model_finetuning.html Goodfellow, I., et al. (2016). "Deep Learning." MIT Press.

NEW QUESTION # 64
When designing prompts for a large language model to perform a complex reasoning task, such as solving a multi-step mathematical problem, which advanced prompt engineering technique is most effective in ensuring robust performance across diverse inputs?

A. Chain-of-thought prompting with step-by-step reasoning examples.
B. Few-shot prompting with randomly selected examples.
C. Zero-shot prompting with a generic task description.
D. Retrieval-augmented generation with external mathematical databases.

Answer: A

Explanation:
Chain-of-thought (CoT) prompting is an advanced prompt engineering technique that significantly enhances a large language model's (LLM) performance on complex reasoning tasks, such as multi-step mathematical problems. By including examples that explicitly demonstrate step-by-step reasoning in the prompt, CoT guides the model to break down the problem into intermediate steps, improving accuracy and robustness.
NVIDIA's NeMo documentation on prompt engineering highlights CoT as a powerful method for tasks requiring logical or sequential reasoning, as it leverages the model's ability to mimic structured problem- solving. Research by Wei et al. (2022) demonstrates that CoT outperforms other methods for mathematical reasoning. Option A (zero-shot) is less effective for complex tasks due to lack of guidance. Option B (few- shot with random examples) is suboptimal without structured reasoning. Option D (RAG) is useful for factual queries but less relevant for pure reasoning tasks.
References:
NVIDIA NeMo Documentation: https://docs.nvidia.com/deeplearning/nemo/user-guide/docs/en/stable/nlp
/intro.html
Wei, J., et al. (2022). "Chain-of-Thought Prompting Elicits Reasoning in Large Language Models."

NEW QUESTION # 65
What metrics would you use to evaluate the performance of a RAG workflow in terms of the accuracy of responses generated in relation to the input query? (Choose two.)

A. Context precision
B. Retriever latency
C. Generator latency
D. Tokens generated per second
E. Response relevancy

Answer: A,E

Explanation:
In a Retrieval-Augmented Generation (RAG) workflow, evaluating the accuracy of responses relative to the input query focuses on the quality of the retrieved context and the generated output. As covered in NVIDIA's Generative AI and LLMs course, two key metrics are response relevancy and context precision. Response relevancy measures how well the generated response aligns with the input query, often assessed through human evaluation or automated metrics like ROUGE or BLEU, ensuring the output is pertinent and accurate.
Context precision evaluates the retriever's ability to fetch relevant documents or passages from the knowledge base, typically measured by metrics like precision@k, which assesses the proportion of retrieved items that are relevant to the query. Options A (generator latency), B (retriever latency), and C (tokens generated per second) are incorrect, as they measure performance efficiency (speed) rather than accuracy. The course notes:
"In RAG workflows, response relevancy ensures the generated output matches the query intent, while context precision evaluates the accuracy of retrieved documents, critical for high-quality responses." References: NVIDIA Building Transformer-Based Natural Language Processing Applications course; NVIDIA Introduction to Transformer-Based Natural Language Processing.

NEW QUESTION # 66
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