Thinking about starting your career in Generative AI, Large Language Models (LLMs), RAG, Vector Search, or AI Agents?
Not sure where to begin? You’re in the right place! The OCI Generative AI Professional (1Z0-1127-25) is one of the newest and fastest-growing certifications in the cloud AI ecosystem. Whether you’re a beginner or an experienced engineer wanting to upgrade your AI skills, this blog is your complete guide.
In this blog, we are going to cover the following topics:
- What is the 1Z0-1127-25 OCI Generative AI Professional Exam?
- Who should do this certification?
- Why learn Generative AI on Oracle Cloud?
- Basic exam information
- Skills measured (Domains & Weightage)
- Prerequisites
- Learning path (K21 Academy Format)
- Registration steps
- Exam retake policy
- Career Opportunities After 1Z0-1127-25
What Is OCI Generative AI Professional (1Z0-1127-25)?
The Oracle Cloud Infrastructure (OCI) Generative AI Professional Certification validates your expertise in building and deploying enterprise-grade AI solutions using:
- Large Language Models (LLMs)
- Retrieval-Augmented Generation (RAG)
- Oracle 23ai Vector Database
- OCI Generative AI Service
- Embedding models
- AI Agent & Chatbot development
- Model fine-tuning and inference endpoints
This certification is designed for developers, cloud engineers, and AI beginners who want to master practical GenAI workloads.
Who Can Do This Certification?
This exam is ideal for:
- Cloud Engineers
- AI/ML Engineers
- Data Engineers
- Software Developers
- Python Developers
- Students/Freshers entering AI
- Anyone wanting to build LLM/RAG/Vector Search applications
You do not need deep coding experience; basic cloud and AI understanding is enough.
Why Learn Generative AI on Oracle Cloud?
Some of the factors influencing learning GenAI on oracle cloud are:
- Enterprise-Grade AI Platform: Oracle provides scalable and secure AI infrastructure suitable for real-world workloads.
- Oracle 23ai Vector Database: A powerful engine for semantic search and RAG pipelines.
- Cost-Effective AI Training & Deployment: Oracle Cloud offers some of the best AI compute pricing.
- In-Demand Career Skill: GenAI + Cloud = High-paying job roles in 2025.
- AI Agents for Chatbots & Knowledge Assistants: Build advanced multi-document chatbots using Object Storage & 23ai.
Related Readings: How to Create an AI Agent
Basic Exam Information
| Parameter | Details |
| Certification Name | OCI Generative AI Professional |
| Exam Code | 1Z0-1127-25 |
| Duration | 90 minutes |
| Questions | 50 MCQs |
| Difficulty Level | Moderate |
| Format | Multiple Choice (Scenario-Based) |
| Delivery | Pearson VUE (Online or Test Center) |
| Language | English, Japanese |
| Validity | 18 Months |
Skills Measured in the 1Z0-1127-25 Exam (Domains & Weightage)
Oracle divides the exam into 4 domains, each worth 25%.
Domain 1: Fundamentals of LLMs (25%)
- Transformer architecture
- Prompt engineering
- Decoding strategies
- LLM training concepts
- Hallucination control
- Generative AI best practices
Domain 2: OCI Generative AI Service (25%)
- Chat & embedding models
- Fine-tuning foundation models
- Model endpoints
- Inference API
- Dedicated AI clusters
- Security & access control
Domain 3: RAG + Oracle 23ai Vector Search (25%)
- RAG architecture
- Embedding & storing documents
- Vector Search
- Retrieval + Generation
- Conversational RAG
- Oracle 23ai integration
Domain 4: Generative AI Agent Service (25%)
- Oracle AI Agent
- Chatbot using Object Storage
- 23ai Knowledge Base Chatbot
- AI Agent orchestration
- Workflow integrations
Prerequisites for 1Z0-1127-25 Exam
There are NO mandatory prerequisites. Recommended:
- Basic understanding of LLMs
- Cloud fundamentals
- Familiarity with prompts
- Hands-on practice with OCI Free Tier
Even beginners can pass with dedication.
Related Readings: Oracle Cloud (OCI) Upgrade Free Tier Account to Pay As You Go (PAYG)
Learning Path for OCI Generative AI Professional
K21 Academy follows the below roadmap for effective topic coverage & certification preparation:
Step 1: Learn AI & LLM Foundations
- Transformer models
- Tokenization
- Prompt engineering
- Decoding strategies
Step 2: Explore OCI Generative AI Service
- Invoke LLMs
- Chat & embedding models
- Inference API
- Model fine-tuning
- Deploy endpoints
Step 3: Build RAG Applications
- Generate embeddings
- Store vectors in 23ai
- Implement retrieval
- Build RAG pipeline
- Conversational RAG
Step 4: Learn Generative AI Agent Service
- AI Agent Fundamentals
- Object Storage knowledge bases
- 23ai-powered chatbots
Step 5: Practise Hands-On Labs
Hands-on labs to prepare:
- Create embeddings
- Build vector store
- Connect to Oracle 23ai
- Invoke LLM using API
- Build RAG pipeline
- Create a GenAI chatbot
Step 6: Attempt Sample Questions
Cover topics from:
- LLM fundamentals
- Vector Search
- RAG pipelines
- Security
- AI Agents
Step 7: Register for the Exam
Follow the Pearson VUE steps below.
How to Register for 1Z0-1127-25
Steps to register for the exam are:
- Visit the Oracle Certification Portal
- Search: 1Z0-1127-25
- Select Schedule Exam
- Choose Pearson VUE
- Select Online or Test Center
- Pay the fee
- Choose a time and date
and you’re all set to give the exam!
Exam Retake Policy
You can retake the exam if not cleared in the 1st attempt, but there is a waiting period to be followed:
- 1st Attempt Failure: 14-day wait
- 2nd/3rd Failure: 14-day wait
- Max Attempts: 4 per year
- Fee: Paid for each attempt
Career Opportunities After 1Z0-1127-25
After completing this certification, you can apply for roles like:
- Generative AI Engineer
- Cloud AI Specialist
- RAG Engineer
- AI Developer
- AI Solutions Consultant
- Enterprise AI Engineer
Conclusion
The OCI Generative AI Professional (1Z0-1127-25) certification is one of the most in-demand skills for 2025. Whether you’re an AI beginner or an experienced cloud professional, this certification opens doors to high-paying roles in cloud AI engineering, RAG development, and LLM application building. If you follow the learning path and complete the hands-on labs, you can clear the exam confidently.
Frequently Asked Questions
Is this certification beginner-friendly?
Yes, even freshers can attempt it.
Does the certification expire?
Yes, after 18 months.
Is coding required?
Not mandatory; basic Python helps.
Can I use Oracle Free Tier?
Yes, most labs work on Free Tier.
Is the exam difficult?
Moderate - mostly scenario-based questions.
Next Task For You
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Domain 1: Fundamentals of LLMs (25%)
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