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1Z0-1123-25 Overview — OCI 2025 Migration Architect Professional

What 1Z0-1123-25 covers: migration planning, connectivity, data movement, database migration concepts, cutover strategies, validation, and rollback on OCI.

OCI Migration Architect Professional is about shipping migrations that work: planning, sequencing, and proving the result is correct.

What you should be able to do

  • Build a migration plan: discovery, dependencies, sequencing, and risk controls.
  • Choose connectivity (VPN vs FastConnect) and network patterns (hub/spoke, private access) based on requirements.
  • Plan data movement and cutover strategy (offline vs online, validation, rollback).
  • Use OCI migration services and tooling at a conceptual level (database migration workflows, runbooks).
  • Design operational guardrails: monitoring, logging, security, and cost controls.

Efficient prep strategy

  1. Use the Syllabus as your checklist.
  2. Think in phases: assess → plan → migrate → validate → cut over → stabilize.
  3. Drill scenario questions: prefer answers with verification and rollback.