Last Updated: Sep 10, 2026
No. of Questions: 90 Questions & Answers with Testing Engine
Download Limit: Unlimited
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Syllabi change, and so do exams — Oracle Cloud Infrastructure 2025 Generative AI Professional is no exception. TestSimulate refreshes its 1Z0-1127-25 practice questions throughout 2026, and 365 days of free updates keep all 90 questions aligned with the current exam.
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Oracle Cloud Infrastructure 2025 Generative AI Professional |
| Exam Number: | 1Z0-1127-25 |
| Certificate Validity Period: | Typically 2 years (Oracle certification policies may vary) |
| Available Languages: | English |
| Related Certifications: | Oracle Cloud Infrastructure Architect Associate Oracle Cloud Infrastructure Foundations Oracle Cloud Infrastructure Data Science Professional |
| Exam Duration: | 90 minutes |
| Exam Format: | Multiple Response, Multiple Choice |
| Real Exam Qty: | 50-60 |
| Exam Price: | USD 245 |
| Recommended Training: | Oracle University OCI Generative AI Training |
| Exam Registration: | Oracle Certification Portal |
| Sample Questions: | Oracle 1Z0-1127-25 Sample Questions |
| Exam Way: | Online proctored or test center delivery via Oracle certification platform |
| Pre Condition: | Recommended: basic understanding of cloud computing, machine learning concepts, and Oracle Cloud Infrastructure services |
| Official Syllabus URL: | https://education.oracle.com/ |
| Section | Objectives |
|---|---|
| Model Customization and Fine-Tuning | - Evaluating and improving model performance - Fine-tuning concepts and workflows |
| Generative AI Fundamentals | - Core concepts: tokens, embeddings, transformers - Foundations of Generative AI and Large Language Models (LLMs) |
| Prompt Engineering and Optimization | - Prompt design techniques - Controlling model output and tuning prompts |
| Deployment and Operations | - Integration of Generative AI into applications - Monitoring and lifecycle management |
| OCI Generative AI Service | - OCI Generative AI service capabilities and architecture - Model selection and deployment options in OCI |
| Security, Governance, and Responsible AI | - Data privacy and model security in OCI - Responsible AI principles and risk mitigation |
| Retrieval-Augmented Generation (RAG) | - Knowledge grounding and contextual retrieval - Vector databases and embeddings usage |
The 1Z0-1127-25 exam, officially titled Oracle Cloud Infrastructure 2025 Generative AI Professional, is the qualifying exam for the Oracle Cloud Infrastructure (OCI) Generative AI Professional certification, which sits at the Professional level. Earning it shows employers that you have the skills the credential stands for, and it is a solid step forward on a Oracle career path. It also connects to Oracle Cloud Infrastructure Foundations, Oracle Cloud Infrastructure Architect Associate, Oracle Cloud Infrastructure Data Science Professional, so the effort you put in now keeps paying off as you advance.
The 1Z0-1127-25 exam gives you 50-60 questions to complete within 90 minutes. Do the math before exam day: divide the total time by the question count to set a steady per-question pace, and flag any item that stalls you so you can return to it after securing the easier points. The most reliable way to build that rhythm is a full timed practice test under the same limit, which is exactly what TestSimulate's test engines are designed for.
According to the official requirements: Recommended: basic understanding of cloud computing, machine learning concepts, and Oracle Cloud Infrastructure services. Eligibility rules do change from time to time, so confirm the current details on the official exam page before you register.
Registration for the 1Z0-1127-25 exam is handled through the official channels below:
The exam is delivered in the following format: Online proctored or test center delivery via Oracle certification platform. Pick a date that leaves room for at least one full timed practice test beforehand.
Oracle recommends the following official training options for candidates preparing for Oracle Cloud Infrastructure 2025 Generative AI Professional:
Courses build the foundation, but they work best alongside question practice. That is where TestSimulate comes in: the 90 practice questions in our 1Z0-1127-25 package let you rehearse the exam format at your own pace and see exactly where you stand.
Yes — TestSimulate offers a free PDF demo of the Oracle Cloud Infrastructure 2025 Generative AI Professional material, so you can review the question style and answer quality before you spend anything. After purchase, you also receive 365 days of free updates, and if your product expires you can extend the update service at a 50% discount from your member zone.
If you take the corresponding exam within 60 days of your purchase and do not pass, you are covered by the 100% Money Back Guarantee under clear conditions. To claim a full refund, submit a scan of your exam enrollment slip and your official Score Report PDF within two days of the exam; requests are processed within seven days. Note that sitting the exam within three days of purchase is not eligible, purchases that were never followed by an exam sitting do not qualify, free materials and expired orders are excluded, and the candidate name must match the payer name. Prefer an exchange instead? You can swap your product for two free exam packages of equal value and keep your update service. Delivery is immediate: your 1Z0-1127-25 material is ready for instant download and is also emailed to you within one minute of payment — contact customer service if nothing arrives within two hours. There is no limit on the number of computers you can install it on.
The current Oracle Cloud Infrastructure 2025 Generative AI Professional syllabus is organized into 7 exam domains. The first three are:
For the full domain and subtopic breakdown, see the Exam Topics section above — that is the outline your TestSimulate practice questions are mapped to.
What is the characteristic of T-Few fine-tuning for Large Language Models (LLMs)?
Explanation: Only visible for TestSimulate members. You can sign-up / login (it's free).
Which is a key characteristic of Large Language Models (LLMs) without Retrieval Augmented Generation (RAG)?
Explanation: Only visible for TestSimulate members. You can sign-up / login (it's free).
You create a fine-tuning dedicated AI cluster to customize a foundational model with your custom training dat a. How many unit hours are required for fine-tuning if the cluster is active for 10 hours?
Explanation: Only visible for TestSimulate members. You can sign-up / login (it's free).
You create a fine-tuning dedicated AI cluster to customize a foundational model with your custom training dat a. How many unit hours are required for fine-tuning if the cluster is active for 10 days?
Explanation: Only visible for TestSimulate members. You can sign-up / login (it's free).
Which is NOT a category of pretrained foundational models available in the OCI Generative AI service?
Explanation: Only visible for TestSimulate members. You can sign-up / login (it's free).
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