Microsoft AZ-900 (Azure Fundamentals)
FHG University prepares you for this exam on the Infrastructure track. Here are the modules mapped to its published objectives, and the opening of one to read now.
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The modules mapped to it
9 modules · about 14 h 25 min estimated in all
Modernizing Legacy: The 5-Step Rack-to-Cloud Hybrid Framework
A five-step method for moving an on-premises server room into a deliberate hybrid estate: discover and map dependencies, classify each workload, build the network-identity-management backbone, migrate in rehearsed waves, then validate, right-size and decommission. Along the way it teaches the AZ-900 cloud concepts the plan depends on: cloud models, shared responsibility, IaaS/PaaS/SaaS and serverless, consumption pricing and what the cloud's benefits do and don't promise.
The Cloud Concepts Underneath the Framework
A migration plan is only as good as the vocabulary behind it. When a finance director asks why the new environment bills monthly, or a security lead asks who patches the operating system after the move, the answers come from a short list of cloud concepts. AZ-900's first domain, Describe cloud concepts (25–30% of the exam in the skills outline dated July 20, 2026), tests exactly that list. This module teaches it through the job it supports: moving real workloads out of a server room on purpose.
Cloud computing is the delivery of computing services (servers, storage, databases, networking, software, analytics) over the internet, rented as you use them instead of bought up front. The provider owns and runs the datacenters; you provision through a portal, a command line or code, usually in minutes.
Cloud models describe who owns the infrastructure and where it runs:
| Model | What it is | Where it fits |
|---|---|---|
| Public cloud | Infrastructure owned and run by a provider such as Microsoft, shared by many customers and isolated logically | Variable or unpredictable demand, new projects, anything that benefits from not buying hardware |
| Private cloud | Cloud-style self-service and automation on infrastructure dedicated to one organization, in its own datacenter or hosted | Strict control requirements, specialized hardware, or a regulator who requires dedicated infrastructure |
| Hybrid cloud | Public and private environments connected so workloads and data can move or interoperate between them | Migrations in progress, data that has to stay on-premises, latency-sensitive systems near the plant floor |
A related term is multicloud: using more than one public provider. It is a different question from hybrid. An organization can be hybrid with one provider, or multicloud with no on-premises footprint at all.
The reason this framework says hybrid is practical, not fashionable. Some workloads have a sound reason to stay where they are: a control system that has to keep running when the internet link drops, data a contract keeps in a specific facility, or hardware with years of useful life left. A hybrid design treats those as deliberate decisions with an owner and a review date, not as leftovers from an unfinished project.
Limit: the definitions above are what the exam asks for. Real contracts and regulations are more specific than "private" or "public," so a data-residency or sovereignty question goes to the people who own that contract, with the exact clause in front of them.
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Preparation means the material maps to the published objectives. It is not a promise of a pass, and Microsoft sets, administers and awards the exam.