Frequently asked questions for OCI 2025 Developer Professional (1Z0-1084-25): prerequisites, difficulty, what to focus on, and study strategy.
No. The exam focuses on platform integration and correct patterns, not algorithmic coding.
Authentication/authorization for apps (API keys vs instance/resource principals) and event-driven integration patterns.
Treat each objective as a checklist item. For every miss, map it back to the objective and write a one-sentence rule.