Cloud Concepts Flashcards
What is cloud computing?
On-demand availability of cloud-based resources:
1) Compute
2) Networking
3) Storage
What is scalability?
The ability to scale out, scale up or scale down.
What is High Availability?
This means you have multiple resources to process requests in the event one resource is not available.
What is Fault Tolerance?
This describes how azure will ensure you have zero downtime for services.
What is Disaster Recovery?
Uses “time -to-recover” and recovery point metrics to recovery from things like tornadoes, floods and more.
What is Elasticity?
The ability to quickly increase or decrease computer processing and resources.
What is Agility?
The ability to rapidly test and deploy to the cloud.
What is Consumption-based pricing?
You pay based on:
- Per Execution
- Per Second
- Per combination.
What are the three Cloud Service Models?
Infrastructure as a service (IaaS) ex: Virtual Machine
Platform as a service (PaaS) ex: Azure CDN / Cosmo DB.
Software as a Service (SaaS) ex: Microsoft 365
What is Serverless?
Yes there are servers, just none you need to manage.
- it is extreme PaaS
- Application free software - just a single function.
What is the Azure Market place?
A solutions and services App Store.
- Includes Apps, VMs, templates and services.
- 1 click purchasability.
- Integrate via the Portal, CLI or Powershell.
- free and paid for.