Oracle 1Z0-1110-25 Practice Exam Questions & Answers
Oracle 1Z0-1110-25 Exam Details
Key details for this exam, checked against the published exam outline
- Exam Code
- 1Z0-1110-25
- Full Name
- Oracle Cloud Infrastructure 2025 Data Science Professional
- Issuing Body
- Oracle
- Question Format (Our Bank)
- Multiple Choice
- Delivery
- Pearson VUE testing centers or online proctored
- Full Question Set
- 158 questions Get All Questions
Free 1Z0-1110-25 Practice Questions
Each question shows the correct answer and an explanation of why it is right
Question 1 Domain 5 Use related OCI Services
You have created a model and want to use Accelerated Data Science (ADS) SDK to deploy the model. Where are the artifacts to deploy this model with ADS?
Detailed Answer in Step-by-Step Solution:
Objective: Locate artifacts for ADS model deployment.
Understand ADS Deployment: Requires model artifacts (e.g., score.py) stored in OCI.
Evaluate Options:
A: Vault---Stores secrets, not models.
B: Depository---Not an OCI term.
C: Model Catalog---Stores models/artifacts for deployment---correct.
D: Artifactory---Not an OCI service.
Reasoning: Model Catalog is OCI's model repository for ADS.
Conclusion: C is correct.
OCI documentation states: ''ADS SDK deploys models from the Model Catalog, where trainedmodels and artifacts (e.g., score.py) are stored.'' Vault (A) is for secrets, B and D aren't real---only C supports ADS deployment.
: Oracle Cloud Infrastructure Data Science Documentation, 'ADS Model Deployment'.
Question 2 Domain 3 Implement end-to-end Machine Learning Lifecycle
You are working as a data scientist for a healthcare company. They decide to analyze the data to find patterns in a large volume of electronic medical records. You are asked to build a PySpark solution to analyze these records in a JupyterLab notebook. What is the order of recommended stepsto develop a PySpark application in Oracle Cloud Infrastructure (OCI) Data Science?
Detailed Answer in Step-by-Step Solution:
Objective: Sequence steps for PySpark app development.
Steps:
Launch notebook: First---sets up environment.
Install PySpark conda: Second---adds Spark libraries.
Configure core-site.xml: Third---connects to data.
Develop app: Fourth---writes code.
Data Flow: Fifth---scales (optional).
Evaluate: D (1, 2, 3, 4, 5) matches this logical order.
Reasoning: Notebook first, then setup and coding.
Conclusion: D is correct.
OCI documentation states: ''1) Launch a notebook session, 2) install a PySpark conda env, 3) configure core-site.xml, 4) develop your PySpark app, 5) optionally use Data Flow (D).'' Other orders (A, B, C) misplace notebook launch or config---D is correct.
: Oracle Cloud Infrastructure Data Science Documentation, 'PySpark Development'.
Question 3 Domain 5 Use related OCI Services
Which architecture is based on the principle of ''never trust, always verify''?
Detailed Answer in Step-by-Step Solution:
Objective: Identify the architecture with ''never trust, always verify.''
Evaluate Options:
A: Federated identity---Shares auth, not verification-focused.
B: Zero trust---Explicitly ''never trust, always verify''---correct.
C: Fluid perimeter---Adaptive, not the core principle.
D: Defense in depth---Layered, not verification-centric.
Reasoning: Zero trust matches the stated principle exactly.
Conclusion: B is correct.
OCI documentation states: ''Zero trust (B) architecture operates on 'never trust, always verify,' requiring continuous authentication and authorization.'' A, C, and D have different focuses---only B aligns with OCI's security philosophy.
: Oracle Cloud Infrastructure Security Documentation, 'Zero Trust Architecture'.
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Question 4 Domain 3 Implement end-to-end Machine Learning Lifecycle
You want to write a program that performs document analysis tasks such as extracting text and tables from a document. Which Oracle AI service would you use?
Detailed Answer in Step-by-Step Solution:
Objective: Select an OCI AI service for text and table extraction from documents.
Evaluate Options:
A: Language---Text analysis, not extraction---incorrect.
B: Digital Assistant---Chatbots, not document tasks---incorrect.
C: Speech---Audio transcription, not documents---incorrect.
D: Vision---OCR for text/tables---correct.
Reasoning: Vision's OCR extracts text and tables from document images.
Conclusion: D is correct.
OCI documentation states: ''OCI Vision (D) uses OCR to extract text and tables from documents, supporting document analysis tasks.'' A analyzes text post-extraction, B and C are unrelated---only D fits per OCI's AI services.
: Oracle Cloud Infrastructure Vision Documentation, 'Document Analysis Features'.
Question 5 Domain 1 OCI Data Science - Introduction & Configuration
You want to make your model more frugal to reduce the cost of collecting and processing dat
a. You plan to do this by removing features that are highly correlated. You would like to create a heatmap that displays the correlation so that you can identify candidate features to remove. Which Accelerated Data Science (ADS) SDK method is appropriate to display the comparability between Continuous and Categorical features?
Detailed Answer in Step-by-Step Solution:
Objective: Visualize correlation between continuous and categorical features.
Evaluate Options:
A: Pearson---Continuous vs. continuous---incorrect.
B: Cramer's V---Categorical vs. categorical---incorrect.
C: Correlation ratio---Continuous vs. categorical---correct.
D: General correlation---Not specific to mixed types.
Reasoning: Correlation ratio handles mixed feature types for heatmaps.
Conclusion: C is correct.
OCI documentation states: ''correlation_ratio_plot() (C) in ADS SDK visualizes correlations between continuous and categorical features, ideal for mixed-type heatmaps.'' Pearson (A) and Cramer's (B) are type-specific, corr() (D) is broad---only C fits per ADS capabilities.
: Oracle Cloud Infrastructure ADS SDK Documentation, 'Correlation Visualization'.
Question 6 Domain 4 Apply MLOps Practices
You are a data scientist with a set of text and image files that need annotation, and you want to use Oracle Cloud Infrastructure (OCI) Data Labeling. Which of the following THREE annotation classes are supported by the tool?
Detailed Answer in Step-by-Step Solution:
Objective: Identify supported annotation classes in OCI Data Labeling.
Understand Tool: Supports image/text annotations for ML.
Evaluate Options:
A: Object detection---Yes (bounding boxes).
B: Named entity---Text-specific, not primary for images.
C: Classification---Yes (labels for images/text).
D: Key-point---Not listed in OCI docs.
E: Polygonal---Not explicitly supported.
F: Semantic segmentation---Yes (pixel-level).
Reasoning: A, C, F match OCI's image/text focus.
Conclusion: A, C, F are correct.
OCI Data Labeling supports ''object detection (A), classification (C), and semantic segmentation (F) for images and text,'' per documentation. B is text-specific, D and E aren't highlighted---only A, C, F are core classes.
: Oracle Cloud Infrastructure Data Labeling Documentation, 'Annotation Types'.
Question 7 Domain 5 Use related OCI Services
Which Web Application Firewall (WAF) service component must be configured to allow, block, or log network requests when they meet specified criteria?
Detailed Answer in Step-by-Step Solution:
Objective: Identify the WAF component that controls request actions based on criteria.
Understand WAF Components:
Protection Rules: Define conditions and actions (e.g., allow, block, log).
Bot Management: Handles bot traffic, not general request rules.
Origin: Backend server endpoint, not rule-based.
WAF Policy: Umbrella config, but rules specify actions.
Evaluate Options:
A: Protection rules---Set specific criteria and actions---correct.
B: Bot Management---Bot-specific, not general requests.
C: Origin---Defines source, not actions.
D: WAF policy---Broad config, not the granular rules.
Reasoning: Protection rules directly manage request behavior---fit the requirement.
Conclusion: A is correct.
OCI documentation states: ''Protection rules (A) in WAF define conditions (e.g., IP, URL) and actions (allow, block, log) for incoming requests.'' Bot Management (B) targets bots, Origin (C) is a target server, and WAF Policy (D) encompasses rules but isn't the action specifier---only A aligns with OCI's WAF configuration.
: Oracle Cloud Infrastructure WAF Documentation, 'Protection Rules'.
What the Oracle 1Z0-1110-25 Exam Covers
Exam domains verified against the Official Oracle 1Z0-1110-25 exam guide, last checked October 2026.
Domain 1 OCI Data Science - Introduction & Configuration
10%Understand the OCI Data Science platform capabilities and the Accelerated Data Science (ADS) SDK features for data science workflows. Configure your tenancy with proper access controls and initialization steps needed to start working with data science projects.
Sample question from this domain above Q5
Domain 2 Design and Set up OCI Data Science Workspace
15%Create Projects and Notebook sessions for your team to collaborate on experiments. Set up Conda environments for dependency management, use OCI Vault for secure credential storage, and configure Git repositories for version control of your code.
Domain 3 Implement end-to-end Machine Learning Lifecycle
45%Guide data from ingestion through exploration, preparation, visualization and profiling to model creation using both OCI services and open source libraries. Deploy models through the Model Catalog and integrate with OCI Generative AI, LangChain, and AI Quick Actions for production inference.
Domain 4 Apply MLOps Practices
20%Understand OCI MLOps architecture and create Jobs to automate custom tasks and model retraining workflows. Use Pipelines to orchestrate machine learning processes, scale model deployments with autoscaling for inference, and monitor system performance with logging and metrics.
Sample question from this domain above Q6
Domain 5 Use related OCI Services
10%Create and manage Spark applications through OCI Data Flow integrated with Data Science. Explore OCI Open Data Service for public datasets and use OCI Data Labeling to prepare and export annotated datasets for model training.
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