Certification exams change, and study material has to keep up. The 1Z0-1110-26 (Oracle Cloud Infrastructure Data Science Professional) question bank at Actual4Exams is reviewed continuously and comes with 365 days of free updates, so your 2026 preparation always reflects the current exam.
Oracle 1Z0-1110-26 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Oracle Cloud Infrastructure Data Science Professional |
| Exam Number: | 1Z0-1110-26 |
| Related Certifications: | Oracle Cloud Infrastructure Data Science Professional Certification |
| Passing Score: | 68% |
| Exam Price: | $245 USD |
| Available Languages: | English |
| Real Exam Qty: | 50 |
| Exam Duration: | 90 minutes |
| Certificate Validity Period: | 24 months |
| Exam Format: | Multiple Response, Multiple Choice |
| Sample Questions: |  |
| Exam Way: | Online proctored exam or onsite exam through Oracle University testing providers |
| Pre Condition: | No formal prerequisite. Recommended knowledge includes Python for Data Science and Machine Learning, familiarity with open source ML libraries, at least one year of ML experience, and hands-on experience with OCI Data Science. |
| Official Syllabus URL: | https://education.oracle.com/oracle-cloud-infrastructure-data-science-professional/pexam_1Z0-1110-26 |
Oracle 1Z0-1110-26 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Implement End-to-End Machine Learning Lifecycle | - Deploy models and consume model endpoints - Prepare and manage datasets - Automate machine learning workflows and pipelines - Save and manage models using Model Catalog - Build, train, and evaluate machine learning models |
| Topic 2: Apply MLOps Practices | - Implement model lifecycle management - Monitor and maintain machine learning models - Use best practices for operationalizing ML solutions |
| Topic 3: OCI Data Science - Introduction and Configuration | - Use OCI Data Science notebooks and sessions - Understand OCI Data Science service concepts and architecture - Configure and manage Data Science resources |
| Topic 4: Design and Set Up Data Science Workspace | - Create and configure Data Science projects - Use Accelerated Data Science SDK and open source tools - Manage notebook sessions and compute resources |
| Topic 5: Use Related OCI Services | - Design machine learning solutions for business use cases - Integrate OCI Data and AI services - Apply OCI services for data ingestion, storage, and processing |
Common Questions About the Oracle 1Z0-1110-26 Exam
The 1Z0-1110-26 exam, officially known as Oracle Cloud Infrastructure Data Science Professional, is the Oracle test that leads to the Oracle Cloud certification at the Professional level. Passing it validates the skills employers expect from a certified professional. It is also associated with related credentials such as Oracle Cloud Infrastructure Data Science Professional Certification.
The 1Z0-1110-26 exam contains 50 questions, and you have 90 minutes to complete them. Work out your per-question pace before test day, and flag slow items instead of stalling on them — time pressure, not knowledge, sinks many first attempts. Timed mock exams in the Actual4Exams test engines are the most reliable way to build that rhythm.
The passing score for the 1Z0-1110-26 exam is 68%, and the official registration fee is $245 USD. If you miss the mark, a retake means paying the full fee again, so book your seat only when you are ready. A practical benchmark: score consistently above the passing line on timed practice tests before scheduling the real exam.
No formal prerequisite. Recommended knowledge includes Python for Data Science and Machine Learning, familiarity with open source ML libraries, at least one year of ML experience, and hands-on experience with OCI Data Science.
Entry requirements can change, so confirm the latest conditions on the official exam page: https://education.oracle.com/oracle-cloud-infrastructure-data-science-professional/pexam_1Z0-1110-26.
Yes. A free PDF demo of the Oracle Cloud Infrastructure Data Science Professional questions is available, so you can check the question style and answer quality before you pay. Every purchase also includes 365 days of free updates, and if the product expires you can renew the update service at a 50% discount from your member zone.
If you take the corresponding 1Z0-1110-26 exam within 60 days of purchase and do not pass, you can apply for a full refund under the 100% Money Back Guarantee: submit a scan of your enrollment slip and your official Score Report (PDF) within 2 days of the exam date, and the claim is processed within 7 days. Attempts made within 3 days of purchase, downloads without an actual exam attempt, free materials, and expired orders are not eligible, and the candidate name must match the payer name. Prefer new material instead of a refund? You can exchange your purchase for two free products of equal value and keep the update service on your original product. As for delivery, the files are available for instant download and are also emailed to you within one minute of payment — if nothing arrives within 2 hours, contact customer service. There is no limit on how many computers you can install the product on.
The official Oracle Cloud Infrastructure Data Science Professional outline is organized into 5 domains. The first three are:
- Apply MLOps Practices
- Design and Set Up Data Science Workspace
- Implement End-to-End Machine Learning Lifecycle
See the complete exam topics section above for the full outline and the weighting of every domain.
Oracle Cloud Infrastructure Data Science Professional Sample Questions:
Question 1
Which statement is true about origin management in Web Application Firewall (WAF)?
A. Multiple origins can be defined
B. Both the statements are true
C. Only a single origin can be active for a WAF
D. Only statement B is true
E. Only statement A is true
F. Both the statements are false
Question 2
You want to make your model more parsimonious 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 would be appropriate to display the correlation between Continuous and Categorical features?
A. correlation_ratio_plot()
B. pearson_plot()
C. corr()
D. cramersv_plot()
Question 3
You are a data scientist building a pipeline in the Oracle Cloud Infrastructure (OCI) Data Science service for your machine learning project. You want to optimize the pipeline completion time by running some steps in parallel. Which statement is true about running pipeline steps in parallel?
A. Steps in a pipeline can be run only sequentially
B. All pipeline steps are always run in parallel
C. Parallel steps cannot be run if they are completely independent of each other
D. Pipeline steps can be run in sequence or in parallel, as long as they create a directed acyclic graph (DAG)
Question 4
How are datasets exported in the OCI Data Labeling service?
A. As a line-delimited JSON file
B. As an XML file
C. As a binary file
D. As a CSV file
Question 5
What is a common maxim about data scientists?
A. They spend 80% of their time on failed analytics projects and 20% doing useful work.
B. They spend 80% of their time analyzing data and 20% finding and preparing it.
C. They spend 80% of their time finding and preparing data and 20% analyzing it.
Solutions:
| Question 1 Answer: B | Question 2 Answer: A | Question 3 Answer: D | Question 4 Answer: A | Question 5 Answer: C |
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