OCI Exams

Core Architecture & Migration - 1Z0-1123-26

OCI Migration Architect Professional

3 practice tests150 questions68% to pass
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Three full-length practice tests for the Oracle Cloud Infrastructure Migration Architect Professional (1Z0-1123-26) certification exam - 50 questions per test, 90 minutes, 68% to pass, unlimited retakes.

Every question is grounded in Oracle's official exam objectives and product documentation - written fresh for this course, not recycled from public dumps.

What you'll be tested on

  • Migration assessment, planning, and workload discovery methodologies
  • Lift-and-shift, replatforming, and refactoring strategies for OCI
  • Database migration tools: Zero Downtime Migration, GoldenGate, Data Pump
  • Hybrid connectivity and network migration patterns
  • OCI Cloud Migrations service for automated VM discovery and replication, and Oracle Cloud VMware Solution (OCVS) for VMware-based workloads
  • Cross-region migrations and containerized workload migration to OKE
  • Cutover planning, validation, and post-migration optimization

Where candidates lose points

The migration strategies themselves aren't usually what trips candidates up - lift-and-shift versus refactor is fairly intuitive once you know the workload. The harder part is the tooling decisions underneath: knowing when OCI's native Cloud Migrations service covers a VM fleet outright versus when Oracle Cloud VMware Solution is the better fit for an existing vSphere estate, and getting FastConnect versus VPN and DNS cutover sequencing right during the actual switchover window. Database questions that combine Zero Downtime Migration with Data Guard failback are also a common place where partial knowledge falls apart.

Sample question

A customer has a large on-premises VMware vSphere environment with complex networking dependencies and wants to move it to OCI with minimal re-architecture before a later phased modernization. Which OCI migration approach best fits this initial phase?

  • A. Refactor every application into OCI-native serverless functions before moving any infrastructure
  • B. Oracle Cloud VMware Solution (OCVS) to lift the existing vSphere environment onto OCI with minimal changes
  • C. Manually export each VM disk and re-provision every workload from scratch on bare metal instances
  • D. Skip infrastructure migration and migrate only the databases using GoldenGate

Full explanations and 149 more questions like this are in the practice tests.

How long to prepare

Given the exam spans networking, native migration tooling, VMware-specific paths, and database migration in the same 90-minute session, 4-6 weeks of focused study is realistic for someone with prior hands-on migration or OCI networking experience. Without that background, plan for longer given how much ground the exam's domains cover.

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Who's behind this?

Arnold Gálovics

Arnold Gálovics

Certified AWS, GCP, Oracle Cloud Solution Architect

I'm the CEO of Docktape Technologies, a certified Solutions Architect, and instructor with hands-on, multi-cloud expertise across AWS, Google Cloud, and Oracle Cloud Infrastructure.

I hold multiple Oracle Cloud Infrastructure certifications, along with AWS and Google Cloud certifications. I've earned these myself, so every practice test I build is grounded in the same material I studied and the same exam experience I sat through.