Cloud Midterm Flashcards
What is a Cloud?
(Datacenters) Compute and storage resources connected by a network and virtualized into a shared pool of resources
What is a CSP?
Cloud Service Provider; Provides the underlying compute/storage service for your cloud.
What is a CSB?
IT role and business model; Offer consulting and integration services between an organization and CSPs
Why Cloud?
Quick resource provisioning
Reduce IT costs
High availability
Flexibility of access
What is the NIST?
National Institute of Standards and Technology
What are the 5 essential characteristics of a cloud based on NIST standards?
On-demand self-service Broad network access Resource pooling Rapid elasticity/expansion Measured Service
What are the 3 types of Cloud Deployment Models?
Private, Public, Hybrid
Private Cloud
On-premise (single tenant)
Full control
Most secure
What are the benefits of a Private Cloud?
Increased security
Potentially lower costs
Most customization
What are the drawbacks of a Private Cloud?
Lower scalability/agility
Potentially more expensive
Less reliable
Public Cloud
Maintained and operated by CSP (third party) usually for profit (many tenants)
What are the benefits of a Public Cloud?
Elastic on-demand and HA resources
High Availability
Benefit to consumers
What are the drawbacks of a Public Cloud?
Relies on external provider (CSP)
Data is not your own
Limited customization
Hybrid Cloud
A composition of 2+ distinct cloud infrastructures bound by standardized technology that enables portability
What are the benefits of a Hybrid Cloud?
Cloud bursting
Application hosting
Package and deploy applications
Application development and testing
What is Cloud Bursting?
Offloading resources into the cloud platform in times of heavy demand
What are the drawbacks of a Hybrid Cloud?
Cost
Offloading of mission critical content (only as reliable as the CSP)
Compatibility
What are the 3 types of Cloud Service Models?
IaaS (infrastructure), PaaS (platform), SaaS (software)
What does the Cloud model focus on?
Scale out (not up), distributed, stateless and elastic/flexible resource allocation. Shifting capital to operational expenditures.
How to design a Cloud
Planning, big to little
Clouds are the be-all end-all of a business plan (T/F)
False
Work little to big when designing a Cloud (T/F)
False
A cloud solution should not be heterogeneous (T/F)
True
You should prioritize a design in accordance with the business drivers (T/F)
True