About the Oracle Cloud Infrastructure Enterprise AI Professional (1Z0-1158-26) Exam
The Oracle Cloud Infrastructure Enterprise AI Professional (exam 1Z0-1158-26) is Oracle's professional-level OCI certification for the AI era. It validates that you can design and deliver enterprise AI solutions on Oracle Cloud Infrastructure: applying large language model and agentic AI concepts, configuring OCI Enterprise AI models, building agents, deploying them as hosted agents, and governing the result. It leads to the Oracle Cloud Infrastructure Certified Enterprise AI Professional credential and is aimed at practitioners who build real AI workloads on OCI, not just study the concepts.
The exam contains 50 multiple-choice questions to complete in 90 minutes, with a passing score of 68%. It is delivered as an online proctored exam through Oracle MyLearn, costs $245 USD, and the certification is valid for 24 months under Oracle's recertification policy. There are no formal prerequisites, but Oracle recommends hands-on experience with OCI Generative AI and agentic AI, and the official preparation path is the "Become an OCI Enterprise AI Professional" learning path on MyLearn.
1Z0-1158-26 Exam Domains
Applying Large Language Model Concepts (10%). How LLMs work and how to apply them well: tokenization and generation behavior, model architectures, advanced prompting, fine-tuning concepts, and code, multimodal, and language capabilities.
Applying Agentic AI Concepts (20%). What makes an agent different from a chatbot or a workflow: the agent loop, tool categories and selection, the Model Context Protocol (MCP), agent memory, and composing solutions with the Responses API.
Configuring OCI Enterprise AI Models (20%). Evaluating and choosing models in OCI — pretrained families such as Cohere and Meta Llama — customization approaches (prompting, RAG, fine-tuning), inference and training hyperparameters, dedicated AI clusters, pricing, and endpoints.
Building OCI Enterprise AI Agents (25%). The heaviest section: building agents on the OCI Enterprise AI Agents platform, working with the Responses API, using built-in tools (Code Interpreter, File Search, Function tools, MCP Calling), Agent Memory, and grounding agents with the Vector Stores and Files APIs.
Building and Deploying Hosted Agents (15%). Deploying agents as hosted, managed runtimes: packaging agents as container images, publishing to Oracle Cloud Infrastructure Registry, and managing rollouts, versions, and rollbacks.
Governing and Optimizing OCI Enterprise AI (10%). Securing access with IAM and least privilege, protecting data, applying guardrails against unsafe content and prompt injection, and running observable, cost-controlled AI workloads.
Why Practice with Study4Pass?
1Z0-1158-26 is a new exam with very little practice material available anywhere. The Study4Pass practice test contains 120 original scenario-based questions written against Oracle's official exam topics and weighted like the real exam — with the deepest coverage on Building OCI Enterprise AI Agents, the section that decides the result. Every question carries a detailed explanation, so each practice session teaches the platform concept behind the answer. Start with the free practice test on this page, train section by section in the web-based test engine or the premium PDF, and use Ask AI whenever a concept needs a deeper explanation.
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