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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Experimentation | 22% | - Model Evaluation Metrics - Experiment Design and Evaluation - AI Experimentation and Testing |
| Topic 2: Software Development | 24% | - Containerized Inference Pipelines - LLM Integration and Deployment - Python Libraries for LLMs - NVIDIA Triton Inference Server |
| Topic 3: Trustworthy AI | 10% | - Content Credentials - Explainability and Transparency - Robustness - Model Alignment Principles - Prompt Engineering Techniques |
| Topic 4: Core Machine Learning and AI Knowledge | 30% | - Large Language Model Architecture - Neural Networks - Fundamentals of Machine Learning |
| Topic 5: Data Analysis and Visualization | 14% | - Data Analysis and Visualization Methods - Data Preprocessing and Feature Engineering |
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NEW QUESTION # 79
You are in need of customizing your LLM via prompt engineering, prompt learning, or parameter-efficient fine-tuning. Which framework helps you with all of these?
Answer: B
Explanation:
The NVIDIA NeMo framework is designed to support the development and customization of large language models (LLMs), including techniques like prompt engineering, prompt learning (e.g., prompt tuning), and parameter-efficient fine-tuning (e.g., LoRA), as emphasized in NVIDIA's Generative AI and LLMs course.
NeMo provides modular tools and pre-trained models that facilitate these customization methods, allowing users to adapt LLMs for specific tasks efficiently. Option A, TensorRT, is incorrect, as it focuses on inference optimization, not model customization. Option B, DALI, is a data loading library for computer vision, not LLMs. Option C, Triton, is an inference server, not a framework for LLM customization. The course notes:
"NVIDIA NeMo supports LLM customization through prompt engineering, prompt learning, and parameter- efficient fine-tuning, enabling flexible adaptation for NLP tasks." References: NVIDIA Building Transformer-Based Natural Language Processing Applications course; NVIDIA NeMo Framework User Guide.
NEW QUESTION # 80
What do we usually refer to as generative AI?
Answer: D
Explanation:
Generative AI, as covered in NVIDIA's Generative AI and LLMs course, is a branch of artificial intelligence focused on creating models that can generate new and original data, such as text, images, or audio, that resembles the training data. In the context of LLMs, generative AI involves models like GPT that produce coherent text for tasks like text completion, dialogue, or creative writing by learning patterns from large datasets. These models use techniques like autoregressive generation to create novel outputs. Option B is incorrect, as generative AI is not limited to generating classification models but focuses on producing new data. Option C is wrong, as improving model efficiency is a concern of optimization techniques, not generative AI. Option D is inaccurate, as analyzing and interpreting data falls under discriminative AI, not generative AI. The course emphasizes: "Generative AI involves building models that create new content, such as text or images, by learning the underlying distribution of the training data." References: NVIDIA Building Transformer-Based Natural Language Processing Applications course; NVIDIA Introduction to Transformer-Based Natural Language Processing.
NEW QUESTION # 81
Which technique is designed to train a deep learning model by adjusting the weights of the neural network based on the error between the predicted and actual outputs?
Answer: D
Explanation:
Backpropagation is a fundamental technique in training deep learning models, as emphasized in NVIDIA's Generative AI and LLMs course. It is designed to adjust the weights of a neural network by propagating the error between the predicted and actual outputs backward through the network. This process calculates gradients of the loss function with respect to each weight using the chain rule, enabling iterative weight updates via gradient descent to minimize the error. Backpropagation is essential for optimizing neural networks, including those used in large language models (LLMs), by fine-tuning weights to improve predictions. Option A, Gradient Boosting, is incorrect as it is an ensemble method for decision trees, not neural networks. Option B, Principal Component Analysis, is a dimensionality reduction technique, not a training method. Option C, K-means Clustering, is an unsupervised clustering algorithm, unrelated to supervised weight adjustment. The course highlights: "Backpropagation is used to train neural networks by computing gradients of the loss function and updating weights to minimize prediction errors, a critical process in deep learning models like Transformers." References: NVIDIA Building Transformer-Based Natural Language Processing Applications course; NVIDIA Introduction to Transformer-Based Natural Language Processing.
NEW QUESTION # 82
In the transformer architecture, what is the purpose of positional encoding?
Answer: C
Explanation:
Positional encoding is a vital component of the Transformer architecture, as emphasized in NVIDIA's Generative AI and LLMs course. Transformers lack the inherent sequential processing of recurrent neural networks, so they rely on positional encoding to incorporate information about the order of tokens in the input sequence. This is typically achieved by adding fixed or learned vectors (e.g., sine and cosine functions) to the token embeddings, where each position in the sequence has a unique encoding. This allows the model to distinguish the relative or absolute positions of tokens, enabling it to understand word order in tasks like translation or text generation. For example, in the sentence "The cat sleeps," positional encoding ensures the model knows "cat" is the second token and "sleeps" is the third. Option A is incorrect, as positional encoding does not remove information but adds positional context. Option B is wrong because semantic meaning is captured by token embeddings, not positional encoding. Option D is also inaccurate, as the importance of tokens is determined by the attention mechanism, not positional encoding. The course notes: "Positional encodings are used in Transformers to provide information about the order of tokens in the input sequence, enabling the model to process sequences effectively." References: NVIDIA Building Transformer-Based Natural Language Processing Applications course; NVIDIA Introduction to Transformer-Based Natural Language Processing.
NEW QUESTION # 83
Which of the following tasks is a primary application of XGBoost and cuML?
Answer: B
Explanation:
Both XGBoost (with its GPU-enabled training) and cuML offer GPU-accelerated implementations of machine learning algorithms, such as gradient boosting, clustering, and dimensionality reduction, enabling much faster model training and inference.
NEW QUESTION # 84
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