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1Z0-1127-25 Overview — OCI 2025 Generative AI Professional

What 1Z0-1127-25 covers: RAG and grounding, embeddings and retrieval, evaluation/guardrails, prompt injection defense, deployment patterns, and cost/latency controls.

Generative AI Professional is a “production judgment” exam. You’re tested on building GenAI systems that are grounded, safe, and operable.

What you should be able to do

  • Choose between prompting, RAG, and fine-tuning based on constraints.
  • Design retrieval: chunking, embeddings, metadata filtering, and top‑k selection.
  • Evaluate GenAI systems beyond “it sounds good”: groundedness, relevance, and safety.
  • Defend against prompt injection and data leakage.
  • Operate deployments: monitoring, rollback, and cost/latency control.
  • Understand OCI’s GenAI and Data Science service areas at a conceptual level.

How to prepare efficiently

  1. Use the Syllabus as your checklist.
  2. Practice scenario reasoning (why each wrong choice fails safety/ops).
  3. Use the Cheatsheet for last-week pickers and templates.