LP: https://docs.microsoft.com/en-us/learn/paths/az-900-describe-cloud-concepts/
Identify Cloud Computing benefits, use GASHED:
- Geo-distribution
- Agility
- Scalability
- High Availability
- Elasticity
- Disaster Recovery
Definition: Web-based unified console that allows you to build, manage, and monitor everything in Azure.
Definition: Connects users to partners and vendors that offer solutions/services for Azure
Azure Account -> Many subscriptions -> Many Resource groups -> Resources
| Type | Description | Expenditure |
|---|---|---|
| Public | Services over the internet. Owned by a third party | OpEx |
| Private | Exclusive by users from a company. Can be on-premise, datacenter, or hosted by a third-party service provider. | CapEx |
| Hybrid | Combination of Public and Private |
Describe CapEx (Capital Expenditures) and OpEx (Operational Expenditures)
| Type | Description |
|---|---|
| Capital Expenditure (CapEx) | Up-front spending on infrastructure. Value is reduced over time |
| Operational Expenditure (OpEx) | No up-front cost. Spending only on services and billed for what you use |
Is the basis of OpEx:
- No up-front costs
- Only pay for what you use/need
- Pay for additional resources when they are needed
- Stop paying for what you don't use
| Model | Description | Complexity/Ownership |
|---|---|---|
| IaaS | OS and Network owned by the user, including maintenance and configuration | High |
| PaaS | Apps are deployed into a managed OS. No ownership of hardware or software requirements | Medium |
| SaaS | User only provides data. Everything else is managed. E.g. MS Office | Low |
| Name | Definition |
|---|---|
| Management Groups | Manage access, policy, compliance for multiple subscriptions |
| Subscriptions | Groups accounts with resources. Can be used to manage costs+resources |
| Resource Groups | A logical grouping of services (resources) |
| Resources | Services that you create. E.g. a Virtual Machine |