Virtualization Flashcards
What is a Hypervisor
An application that allows virtualization
What is a Type 1 Hupervisor
Acts like an OS, sits on the root hardware and you install virtual machines on it.
What is a Type 2 Hypervisor
Software that runs on a standard OS and you install virtual machines on it.
What is a Virtual Machine
A self contained computer running within a host OS using existing hardware.
Rapid Elasticity
Automatically increase or decrease capability.
On demand
Can increase or decrease capability upon request.
Resource pooling
Allows VMs to share resources like hard drives, power and cooling.
IaaS
Infrastructure as a Service. Virtual Machines in the cloud including network services.
PasS
Platform as a Service. Way to test code on virtual machines that are automatically set up upon request.
SaaS
Software as a Service. Applications on the cloud.
Private Cloud
Owned and used by a single organization
Public cloud
Owned by a single organization but open to the public to buy/use services.
Hybrid cloud
Half private and half public
Community cloud
Owned and used by multiple organizations for their own private use, usually to share costs.
