Exam 1z0-1122-23 Realistic Dumps Verified Questions Free [Jan 17, 2024]
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NEW QUESTION # 17
Which is an application of Generative Adversarial Networks (GANs) in the context of Generative AI?
- A. Prediction of continuous values from Input data
- B. Generation of labeled outputs for training
- C. Classification of data points into categories
- D. Creation of realistic images that resemble training data
Answer: D
Explanation:
Generative Adversarial Networks (GANs) are a type of AI model that can generate realistic images that resemble training data. The architecture of a GAN consists of two separate neural networks that are pitted against each other in a game-like scenario. The first network, known as the generator network, tries to create fake data that looks real. The second network, known as the discriminator network, tries to distinguish between real and fake data. The generator network learns from the feedback of the discriminator network and tries to fool it by improving the quality of the fake data. The discriminator network also learns from the feedback of the generator network and tries to improve its accuracy. The process continues until the generator network produces data that is indistinguishable from the real data4. GANs can be used to create realistic images of faces, animals, landscapes, and more5. Reference: Generative models - OpenAI, Artificial Intelligence Explained: What Are Generative Adversarial ...
NEW QUESTION # 18
Which type of machine learning is used for already labeled data sets?
- A. Unsupervised earning
- B. Reinforcement learning
- C. Supervised learning
- D. Active learning
Answer: C
Explanation:
Supervised learning is a type of machine learning that uses labeled data sets to train algorithms that can classify data or predict outcomes. Labeled data sets are data sets that have both input features and output labels for each instance. For example, a labeled data set for image classification would have images as input features and the corresponding categories (such as dog, cat, bird, etc.) as output labels. Supervised learning algorithms learn the relationship between the input features and the output labels from the training data set and then use that relationship to make predictions on new or unseen data. Supervised learning can be divided into two subtypes: classification and regression. Classification is the task of assigning discrete categories to data instances, such as spam or not spam for emails. Regression is the task of predicting continuous values for data instances, such as house prices or stock prices. Reference: : Oracle Cloud Infrastructure AI - Machine Learning Concepts, What is Supervised Learning? | IBM
NEW QUESTION # 19
What is the primary goal of machine learning?
- A. Creating algorithms to solve complex problems
- B. Explicitly programming computers
- C. Improving computer hardware
- D. Enabling computers to learn and improve from experience
Answer: D
Explanation:
Machine learning is a branch of artificial intelligence that enables computers to learn from data and experience without being explicitly programmed. Machine learning algorithms can adapt to new data and situations and improve their performance over time2. Reference: Artificial Intelligence (AI) | Oracle
NEW QUESTION # 20
As an IT manager for your company, you are responsible for migrating your company's image and video analysis workloads to Oracle Cloud Infrastructure (OCI). Your team is particularly interested in a cloud service that offers advanced computer vision capabilities, including custom model training.
Which OCI service would you consider for this purpose?
- A. OCI Vision
- B. OCI Document Understanding
- C. OCI Language
- D. OCI Speech
Answer: A
Explanation:
OCI Vision is the best choice for migrating your company's image and video analysis workloads to Oracle Cloud Infrastructure, as it offers advanced computer vision capabilities, including custom model training. With OCI Vision, you can build your own models to detect and classify objects in images and videos, using your own data and labels. You can also use OCI Vision's pretrained models for common tasks such as face detection, face recognition, and face analysis. OCI Vision supports various file formats, such as JPG, PNG, PDF, and TIFF, and can connect to many data sources, such as Object Storage, Autonomous Transaction Processing, and InfluxDB3. Reference: Vision - Oracle
NEW QUESTION # 21
What is the purpose of fine-tuning Large Language Models?
- A. To Increase the complexity of the model architecture
- B. To reduce the number of parameters in the model
- C. To prevent the model from overfitting
- D. To specialize the model's capabilities for specific tasks
Answer: D
Explanation:
Fine-tuning is the process of updating the model parameters on a new task and dataset, using a pre-trained large language model as the starting point. Fine-tuning allows the model to adapt to the specific context and domain of the new task, and improve its performance and accuracy. Fine-tuning can be used to customize the model's capabilities for specific tasks such as text classification, named entity recognition, and machine translation82. Fine-tuning is also known as transfer learning or task-based learning. Reference: A Complete Guide to Fine Tuning Large Language Models, Finetuning Large Language Models - DeepLearning.AI
NEW QUESTION # 22
What is the advantage of using Oracle Cloud Infrastructure Supercluster for AI workloads?
- A. It provides a cost-effective solution for simple AI tasks.
- B. It offers seamless integration with social media platforms.
- C. It delivers exceptional performance and scalability for complex AI tasks.
- D. It is ideal for tasks such as text-to-speech conversion.
Answer: C
Explanation:
Oracle Cloud Infrastructure Supercluster is a cloud service that provides ultrafast cluster networking, HPC storage, and OCI Compute bare metal instances. OCI Supercluster is ideal for training generative AI, including conversational applications and diffusion models, as it can deploy up to tens of thousands of NVIDIA GPUs per cluster for much greater scalability than similar offerings from other providers. OCI Supercluster also reduces the time needed to train AI models with simple Ethernet network architecture that provides ultrahigh performance at massive scale. Additionally, OCI Supercluster offers cost savings and access to AI subject matter experts56. Reference: OCI Supercluster and AI Infrastructure | Oracle, Oracle Delivers More Choices for AI Infrastructure and General-Purpose ...
NEW QUESTION # 23
What is the difference between classification and regression in Supervised Machine Learning?
- A. Classification and regression both predict continuous values.
- B. Classification assigns data points to categories, whereas regression predicts continuous values.
- C. Classification predicts continuous values, whereas regression assigns data points to categories.
- D. Classification and regression both assign data points to categories.
Answer: B
Explanation:
Classification and regression are two subtypes of supervised learning in machine learning. The main difference between them is the type of output variable they deal with. Classification assigns data points to discrete categories based on some criteria or rules. For example, classifying emails into spam or not spam based on their content is a classification problem because the output variable is binary (spam or not spam). Regression predicts continuous values for data points based on their input features. For example, predicting house prices based on their size, location, amenities, etc., is a regression problem because the output variable is continuous (house price). Classification and regression use different types of algorithms and metrics to evaluate their performance. Reference: : Oracle Cloud Infrastructure AI - Machine Learning Concepts, Classification vs Regression in Machine Learning | by ...
NEW QUESTION # 24
What is the purpose of Attention Mechanism in Transformer architecture?
- A. Convert tokens into numerical forms (vectors) that the model can understand.
- B. Apply a specific function to each word individually.
- C. Break down a sentence into smaller pieces called tokens.
- D. Weigh the importance of different words within a sequence and understand the context.
Answer: D
Explanation:
The attention mechanism in the Transformer architecture is a technique that allows the model to focus on the most relevant parts of the input and output sequences. It computes a weighted sum of the input or output embeddings, where the weights indicate how much each word contributes to the representation of the current word. The attention mechanism helps the model capture the long-range dependencies and the semantic relationships between words in a sequence12. Reference: The Transformer Attention Mechanism - MachineLearningMastery.com, Attention Mechanism in the Transformers Model - Baeldung
NEW QUESTION # 25
You are working on a project for a healthcare organization that wants to develop a system to predict the severity of patients' illnesses upon admission to a hospital. The goal is to classify patients into three categories - Low Risk, Moderate Risk, and High Risk - based on their medical history and vital signs.
Which type of supervised learning algorithm is required in this scenario?
- A. Binary Classification
- B. Clustering
- C. Regression
- D. Multi-Class Classification
Answer: D
Explanation:
Multi-class classification is a type of supervised learning algorithm that is required in this scenario because the output variable has more than two classes. Multi-class classification is the problem of classifying instances into one of three or more classes. For example, classifying patients into low risk, moderate risk, or high risk based on their medical history and vital signs is a multi-class classification problem because each patient can only belong to one of these three classes. Multi-class classification can be solved by using various algorithms, such as decision trees, random forests, support vector machines (SVMs), k-nearest neighbors (k-NN), naive Bayes, logistic regression, neural networks, etc. Some of these algorithms can naturally handle multi-class problems, while others need to be adapted by using strategies such as one-vs-one or one-vs-rest. Reference: : Multiclass classification - Wikipedia, Multiclass Classification- Explained in Machine Learning
NEW QUESTION # 26
How is "Prompt Engineering" different from "Fine-tuning" in the context of Large Language Models (LLMs)?
- A. Trains a model from scratch
- B. Customizes the model architecture
- C. Guides the model's response using predefined prompts
- D. Involves post-processing model outputs and optimizing hyper parameters
Answer: C
Explanation:
Prompt engineering is the art of designing natural language instructions or queries that can elicit the desired response from a large language model. Prompt engineering does not modify the model parameters or architecture, but rather relies on the model's existing knowledge and capabilities. Prompt engineering can be used to perform various tasks such as text generation, sentiment analysis, and code completion, by providing the model with the appropriate context, format, and constraints67. Prompt engineering is also known as zero-shot learning or query-based learning. Reference: [2211.01910] Large Language Models Are Human-Level Prompt Engineers](https://arxiv.org/abs/2211.01910), A developer's guide to prompt engineering and LLMs - The GitHub Blog
NEW QUESTION # 27
Which AI task involves audio generation from text?
- A. Speech recognition
- B. Text to speech
- C. Audio recording
- D. Text summarization
Answer: B
Explanation:
Text to speech (TTS) is an AI task that involves audio generation from text. TTS is a technology that converts text into spoken audio using natural sounding voices. TTS can read aloud any text data, such as PDFs, websites, books, emails, etc., and provide an auditory format for accessing written content. TTS can be helpful for anyone who needs to listen to text data for various reasons, such as accessibility, convenience, multitasking, learning, entertainment, etc. TTS uses different techniques and models to generate speech from text data, such as:
Concatenative synthesis: Combining pre-recorded segments of human speech based on the phonetic units of the text.
Parametric synthesis: Generating speech signals from acoustic parameters derived from the text using statistical models.
Neural synthesis: Using deep neural networks to learn the mapping between text and speech features and produce high-quality speech signals.
Expressive synthesis: Adding emotions or styles to the speech output to make it more natural and engaging. Reference: : Text-to-Speech AI: Lifelike Speech Synthesis | Google Cloud, Text-to-speech synthesis - Wikipedia
NEW QUESTION # 28
Which NVIDIA GPU is offered by Oracle Cloud Infrastructure?
- A. T4
- B. A100
- C. P200
- D. K80
Answer: B
Explanation:
Oracle Cloud Infrastructure offers NVIDIA A100 Tensor Core GPUs as one of the GPU options for its compute instances. The NVIDIA A100 GPU is a powerful and versatile GPU that can accelerate a wide range of AI and HPC workloads. The A100 GPU delivers up to 20x higher performance than the previous generation V100 GPU and supports features such as multi-instance GPU, automatic mixed precision, and sparsity acceleration12. The OCI Compute bare-metal BM.GPU4.8 instance offers eight 40GB NVIDIA A100 GPUs linked via high-speed NVIDIA NVLink direct GPU-to-GPU interconnects3. This instance is ideal for training large language models, computer vision models, and other complex AI tasks. Reference: Accelerated Computing and Oracle Cloud Infrastructure (OCI) - NVIDIA, Oracle Cloud Infrastructure Offers New NVIDIA GPU-Accelerated Compute ..., GPU, Virtual Machines and Bare Metal | Oracle
NEW QUESTION # 29
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