Part 1. Describe core Azure concepts Flashcards
What is Azure?
Cloud computing platform that offers services to build solutions and more.
What is cloud computing?
Computing services over the internet, using a pay as you go pricing model
Why change to cloud computing?
Lower operating costs
Run infrastructure efficiently
Scales business as needed
Benefits of cloud computing
- Reliability: Continuous usage
- Scalability: More hardware or more power
- Elasticity: Can always be configured
- Agility: Along side your application requirements
- Geo distribution
- Disaster recovery
Cloud service model
IaaS
PaaS
SaaS
What is IaaS?
Cloud provides keeps the hardware, but cloud tenant configures software
What is PaaS?
Cloud provides platform for clients to develop, cloud tenant deploys applications
What is SaaS?
Cloud provider manages all aspects of the application, cloud tenant only provides data
What is a public cloud?
Services offered by public internet. Resources are kept by cloud provider
What is private cloud?
Services offered by private network. Resources are kept by cloud tenant
What is hybrid cloud?
Combination of private and public.
What is Azure Portal?
Web based platform where you can manage azure subscriptions, build, monitor and much more.
Name Azure Services
Compute(VM) Networking(VPN, DDoS) Storage(Blob, File) Databases(MySQL, MariaDB) Web Big Data ioT AI DevOps
Capital Expenditure vs Operational Expenditure
CapEx spends money on physical infraestructure while OpEx spends money on services