Latest Oracle 1z0-1122-23 PDF and Dumps (2023) Free Exam Questions Answers
Pass Your Oracle Cloud 1z0-1122-23 Exam on Nov 03, 2023 with 30 Questions
NEW QUESTION # 17
Which Deep Learning model is well-suited for processing sequential data, such as sentences?
- A. Generative Adversarial Network (GAN)
- B. Convolutional Neural Network (CNN)
- C. Variational Autoencoder (VAE)
- D. Recurrent Neural Network (RNN)
Answer: D
Explanation:
Recurrent Neural Networks (RNNs) are a type of deep learning algorithm that can process sequential data, such as sentences, speech, or time series. They are composed of recurrent units that have a loop that allows them to store information from previous inputs and pass it to the next inputs. This way, they can capture the temporal dependencies and context within a sequence. RNNs can be used for various natural language processing tasks, such as text generation, machine translation, sentiment analysis, speech recognition, etc. However, RNNs also suffer from some limitations, such as vanishing or exploding gradients, difficulty in modeling long-term dependencies, and high computational cost. Therefore, some variants and extensions of RNNs have been proposed to overcome these challenges, such as Long Short-Term Memory (LSTM), Gated Recurrent Unit (GRU), Bidirectional RNN (BiRNN), Attention Mechanism, etc. Reference: : [Recurrent neural network - Wikipedia], [What are Recurrent Neural Networks? | IBM], [Recurrent Neural Network (RNN) in Machine Learning]
NEW QUESTION # 18
How can Oracle Cloud Infrastructure Document Understanding service be applied in business processes?
- A. By generating lifelike speech from text
- B. By automating data extraction from documents
- C. By analyzing text sentiment
- D. By transcribing spoken language
Answer: B
Explanation:
Oracle Cloud Infrastructure Document Understanding service is a cloud-based AI service for automating data extraction from documents. It can process various types of documents, such as invoices, receipts, contracts, forms, etc., and extract key information fields from them using optical character recognition (OCR) and natural language understanding (NLU) techniques. It can also provide confidence scores for each extracted field and enable human verification if needed. By using this service, businesses can reduce manual efforts, improve accuracy, and accelerate workflows that involve document processing. Some of the use cases for Oracle Cloud Infrastructure Document Understanding service are:
Invoice Processing: Extract invoice details, such as invoice number, date, amount, vendor name, etc., and validate them against purchase orders or contracts.
Contract Analysis: Extract contract terms, such as parties, duration, clauses, obligations, etc., and compare them with standard templates or policies.
Form Processing: Extract form fields, such as name, address, phone number, email, etc., and populate them into databases or applications. Reference: : [Document Understanding Overview - Oracle], [AI Document Understanding at Scale | Oracle]
NEW QUESTION # 19
What is the primary function of Oracle Cloud Infrastructure Speech service?
- A. Converting text into images
- B. Transcribing spoken language into written text
- C. Analyzing sentiment n text
- D. Recognizing objects in images
Answer: B
Explanation:
Oracle Cloud Infrastructure Speech is an AI service that applies automatic speech recognition (ASR) technology to transform audio-based content into text. Developers can easily make API calls to integrate Speech's pretrained models into their applications. Speech can be used for accurate, text-normalized, time-stamped transcription via the console and REST APIs as well as command-line interfaces or SDKs. You can also use Speech in an OCI Data Science notebook session. With Speech, you can filter profanities, get confidence scores for both single words and complete transcriptions, and more1. Reference: Speech AI Service that Uses ASR | OCI Speech - Oracle
NEW QUESTION # 20
What is the primary purpose of reinforcement learning?
- A. Identifying patterns in data
- B. Learning from outcomes to make decisions
- C. Finding relationships within data sets
- D. Making predictions from labeled data
Answer: B
Explanation:
Reinforcement learning is a type of machine learning that is based on learning from outcomes to make decisions. Reinforcement learning algorithms learn from their own actions and experiences in an environment, rather than from labeled data or explicit feedback. The goal of reinforcement learning is to find an optimal policy that maximizes a cumulative reward over time. A policy is a rule that determines what action to take in each state of the environment. A reward is a feedback signal that indicates how good or bad an action was for achieving a desired objective. Reinforcement learning involves a trial-and-error process of exploring different actions and observing their consequences, and then updating the policy accordingly. Some of the challenges and components of reinforcement learning are:
Exploration vs exploitation: Balancing between trying new actions that might lead to higher rewards in the future (exploration) and choosing known actions that yield immediate rewards (exploitation).
Markov decision process (MDP): A mathematical framework for modeling sequential decision making problems under uncertainty, where the outcomes depend only on the current state and action, not on the previous ones.
Value function: A function that estimates the expected long-term return of each state or state-action pair, based on the current policy.
Q-learning: A popular reinforcement learning algorithm that learns a value function called Q-function, which represents the quality of taking a certain action in a certain state.
Deep reinforcement learning: A branch of reinforcement learning that combines deep neural networks with reinforcement learning algorithms to handle complex and high-dimensional problems, such as playing video games or controlling robots. Reference: : Reinforcement learning - Wikipedia, What is Reinforcement Learning? - Overview of How it Works - Synopsys
NEW QUESTION # 21
What is the primary purpose of Convolutional Neural Networks (CNNs)?
- A. Creating music compositions
- B. Detecting patterns in images
- C. Generating Images
- D. Processing sequential data
Answer: B
Explanation:
Convolutional Neural Networks (CNNs) are a type of deep learning algorithm that is particularly well-suited for image recognition and processing tasks. They are made up of multiple layers, including convolutional layers, pooling layers, and fully connected layers. The convolutional layer is the core building block of a CNN, and it is where the majority of computation occurs. It requires a few components, which are input data, a filter, and a feature map. The filter is a small matrix of weights that slides over the input data and performs element-wise multiplication and summation, resulting in a feature map that represents the activation of a certain feature in the input. By applying multiple filters, the CNN can detect different patterns in the image, such as edges, shapes, colors, textures, etc. The pooling layer is used to reduce the spatial dimensionality of the feature maps, while preserving the most important information. The fully connected layer is the final layer of a CNN, and it is where the classification or regression task is performed based on the extracted features. CNNs can learn to detect complex patterns in images by adjusting their weights during training using backpropagation and gradient descent algorithms. Reference: : Convolutional neural network - Wikipedia, What are Convolutional Neural Networks? | IBM, Convolutional Neural Network (CNN) in Machine Learning
NEW QUESTION # 22
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 # 23
In machine learning, what does the term "model training" mean?
- A. Establishing a relationship between Input features and output
- B. Analyzing the accuracy of a trained model
- C. Performing data analysis on collected and labeled data
- D. Writing code for the entire program
Answer: A
Explanation:
Model training is the process of finding the optimal values for the model parameters that minimize the error between the model predictions and the actual output. This is done by using a learning algorithm that iteratively updates the parameters based on the input features and the output1. Reference: Oracle Cloud Infrastructure Documentation
NEW QUESTION # 24
Which type of machine learning is used to understand relationships within data and is not focused on making predictions or classifications?
- A. Reinforcement learning
- B. Active learning
- C. Unsupervised learning
- D. Supervised learning
Answer: C
Explanation:
Unsupervised learning is a type of machine learning that is used to understand relationships within data and is not focused on making predictions or classifications. Unsupervised learning algorithms work with unlabeled data, which means the data does not have predefined categories or outcomes. The goal of unsupervised learning is to discover hidden patterns, structures, or features in the data that can provide valuable insights or reduce complexity. Some of the common techniques and applications of unsupervised learning are:
Clustering: Grouping similar data points together based on their attributes or distances. For example, clustering can be used to segment customers based on their preferences, behavior, or demographics.
Dimensionality reduction: Reducing the number of variables or features in a dataset while preserving the essential information. For example, dimensionality reduction can be used to compress images, remove noise, or visualize high-dimensional data in lower dimensions.
Anomaly detection: Identifying outliers or abnormal data points that deviate from the normal distribution or behavior of the data. For example, anomaly detection can be used to detect fraud, network intrusion, or system failure.
Association rule mining: Finding rules that describe how variables or items are related or co-occur in a dataset. For example, association rule mining can be used to discover frequent itemsets in market basket analysis or recommend products based on purchase history. Reference: : Unsupervised learning - Wikipedia, What is Unsupervised Learning? | IBM
NEW QUESTION # 25
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 # 26
What is "in-context learning" in the realm of large Language Models (LLMs)?
- A. Teaching a mode! through zero-shot learning
- B. Modifying the behavior of a pretrained LLM permanently
- C. Providing a few examples of a target task via the input prompt
- D. Training a model on a diverse range of tasks
Answer: C
Explanation:
In-context learning is a technique that leverages the ability of large language models to learn from a few input-output examples provided in the input prompt. By conditioning on these examples, the model can infer the task and the format of the desired output, and generate a suitable response. In-context learning does not require any additional training or fine-tuning of the model, and can be used for various tasks such as text summarization, question answering, text generation, and more45. In-context learning is also known as few-shot learning or prompt-based learning. Reference: [2307.12375] In-Context Learning in Large Language Models Learns Label ...](https://arxiv.org/abs/2307.12375), [2307.07164] Learning to Retrieve In-Context Examples for Large Language Models](https://arxiv.org/abs/2307.07164)
NEW QUESTION # 27
What is the difference between Large Language Models (LLMs) and traditional machine learning models?
- A. LLMs have a limited number of parameters compared to other models.
- B. LLMs focus on image recognition tasks.
- C. LLMs require labeled output for training.
- D. LLMs are specifically designed for natural language processing and understanding.
Answer: D
Explanation:
Large language models (LLMs) are a class of deep learning models that can recognize and generate natural language, among other tasks. LLMs are trained on huge sets of text data, learning grammar, semantics, and context. LLMs use the Transformer architecture, which relies on self-attention to process and understand the input and output sequences. LLMs can perform various natural language processing and understanding tasks based on the input provided, such as text summarization, question answering, text generation, and more34. Traditional machine learning models, on the other hand, are usually trained with specific statistical algorithms that deliver pre-defined outcomes. They often require labeled data and feature engineering, and they are not as flexible and adaptable as LLMs5. Reference: What are LLMs, and how are they used in generative AI?, An Introduction to LLMOps: Operationalizing and Managing Large Language Models using Azure ML, An Introduction to Large Language Models (LLMs): How It Got ... - Labellerr
NEW QUESTION # 28
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 # 29
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