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pages/Learning ___ Azure ___ AZ-900%3A Microsoft Azure Fundamentals.md
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@ -4,7 +4,8 @@
| Describe cloud concepts | 25-30% |
| Describe Azure architecture and services | 35-40% |
| Describe Azure management and governance | 30-35% |
- ### Introduction to cloud computing
- ## Cloud Concepts
- ### Introduction to cloud computing
- Define cloud computing.
- Compute Power
- Storage
@ -26,18 +27,72 @@
- Manage Cloud environment
- Identify appropriate use cases for each cloud model.
- Describe the consumption-based model.
- Capital expenditure (CapEx)
- Capital expenditure (**CapEx**)
- upfront one time expenditure
- Operational expenditure (OpEx)
- Operational expenditure (**OpEx**)
- spending money on services or products over time
- Cloud computing is here
- Compare cloud pricing models.
- pay-as-you-go pricing model
- ### Describe the benefits of using cloud services
- ### Describe the benefits of using cloud services
- Describe the benefits of high availability and scalability in the cloud.
- uptime (or availability)
- demand (or scale)
- **uptime** (or availability)
- **demand** (or scale)
- Scalability refers to the ability to adjust resources to meet demand
- **vertical**
- increasing or decreasing the capabilities of resources (i.e. RAM or CPU)
- **horizontal**
- adding or subtracting the number of resources (i.e. VMs or containers)
- each Service has own SLA
- Describe the benefits of reliability and predictability in the cloud.
- Describe the benefits of security and governance in the cloud.
- Describe the benefits of manageability in the cloud.
- **Reliability** is the ability of a system to recover from failures and continue to function
- decentralized design and global scale across data centers
- **Predictability**
- **performance** predictability
- Autoscaling, load balancing, and high availability
- **cost** predictability
- track cost in real time
- Total Cost of Ownership (TCO) or Pricing Calculator
- Describe the benefits of **security** and **governance** in the cloud.
- Set templates
- update all your deployed resources to new standards
- Cloud-based auditing
- handle distributed denial of service (DDoS)
- Describe the benefits of **manageability** in the cloud.
- Automatically scale resource
- Deploy resources based on (preconfigured) templates
- Monitor health and replace failing resources
- Automatic alerts
- Use
- Web Portal, CLI, APIs, PowerShell
- ### Describe cloud service types
- Describe Infrastructure as a Service (IaaS).
- renting the hardware in a cloud datacenter (i.e. Hetzner)
- **Scenarios**
- Lift-and-shift migration
- Test an development
- Describe Platform as a Service (PaaS).
- maintain the operating systems, databases, and development tools
- **Scenarios**
- Development framework
- Analytics or business intelligence
- Describe Software as a Service (SaaS).
- Use Maintained Software
- **Scenarios**
- Email and messaging.
- Business productivity applications.
- Finance and expense tracking.
- Identify appropriate use cases for each cloud service (IaaS, PaaS, SaaS).
- ## Azure architecture and services
- ### Describe the core architectural components of Azure
- ![Diagram showing the different levels of account scope.](https://learn.microsoft.com/en-us/training/wwl-azure/describe-core-architectural-components-of-azure/media/account-scope-levels-9ceb3abd-a2d45a13.png)
-
- Describe Azure regions, region pairs, and sovereign regions.
-
- Describe Availability Zones.
- Describe Azure datacenters.
- Describe Azure resources and Resource Groups.
- Describe subscriptions.
- Describe management groups.
- Describe the hierarchy of resource groups, subscriptions, and management groups.
-