AZ-900 flash cards
Disaster Recovery
The ability to recover from an event that has taken down the service
What is the formula for availability?
Uptime/Uptime + Downtime
economies of scale
The cost per unit (service) that lowers when the size of the company grows.
High Availability
To keep services running for extended periods of time with very little down time.
What is Price per unit?
When companies can save or earn more which in return reduces the cost of services.
capital expenditure (CapEx)
Spending related to significant infrastructure investments in the Azure cloud computing world.
operational expenditure (OpEx)
Spending related to recurring expenses for running and maintaining Azure cloud computing (pay as you go)
What are the Characteristics of CapEx
Own infrastructure
Big Initial investment
Lots of maintenance required
Characteristics of OpEx
Cost based on usage
Rent like infrastructure
No initial investment
Minimal maintenance
Consumption-Based Model
A pricing model based on a customers usage
Characteristics of Consumption-Based Model
No upfront costs
No wasted resources
Pay for additional resources when needed
You can stop paying at anytime
What metric is used when calculating the amount of service the customer uses?
Consumption
What are the three consumption metrics?
Cant (Compute)
Stand (Storage)
Niggas (Network)
Cloud Computing
Delivery model for services like storage, compute power, networking, analytics, and more services over the internet.
Characteristics of Cloud Computing
Sam (SCALABILITY)
Eats (ELASTICTY)
Apples (AGILITY)
From (FAULT TOLERANCE)
Dianna (DISASTERS)
Dad’s (DISTASTER RECOVERY)
House (HIGH AVAILABILTY)
