Cloud Computing Flashcards
On-demand delivery of computer, database, apps, and other resources is…
Cloud computing
Cloud computing pricing type…
Pay as you go
Private cloud
Cloud services used by a single org and not public
Public cloud
Cloud owned and operated by 3rd party over the internet
Hybrid cloud
Mix of private and public. (some on-prem services)
5 Characteristics of cloud computing
On Demand
Broad network access
Multi-tenancy and resource pooling
Rapid elasticity and scalability
Measured service
6 advantages of Cloud
CAPEX instead of Opex
Economies of scale
Stop guessing capacity
Increased speed and agility
No more datacenters
Global apps in mins
Types of cloud computing (3)
IAAS
PAAS
SAAS
Cloud provider responsibility in IAAS
HW and Virtualization
Customer responsibility in PAAS
Apps, Data
AWS IAAS service
EC2
AWS PAAS service
Elastic Beanstalk
AWS billing for compute
Time
AWS billing for storage
Data
AWS billing for network
Only when transferred out of the cloud
Concerns with choosing an AWS region (4)
Compliance
Latency/Proximity
Available services
Pricing (varies)
Availability Zones
How many availability zones per region?
3-6
What is a discrete datacenter called in AWS?
Availability zone
AWS region
Connected availability zones.
How many AWS points of presence?
400+
90+ cities
40+ countries
Region scoped AWS services (4)
EC2
Elastic Beanstalk
Lamda
Rekognition
