Chapt.4 Key terms(Virtualization) Flashcards
The process of creating an environment in which operating systems or applications run on a software created simulation of a computer rather than directly on the computer hardware itself.
Virtualization
A type of cloud computing in which users can lease cloud based network services, servers, storage space, and other resources.
IaaS(Infrastructure as a service)
Software programs that can be run from the cloud without downloading an app. Examples include Google Docs and Microsoft Word Online, and Excel Online.
SaaS(Software as a service)
a cloud computing category designed for developing and deploying apps.
PaaS(Platform as a service)
Use of cloud services provided over the public Internet.
Public cloud computing
Use of a privately owned cloud that is accessible only to authorized users. More secure services.
private cloud computing
A type of computing that shares characteristics of private and public clouds.
Hybrid cloud computing
A type of cloud computing in which organizations with common concerns or goals share cloud infrastructure.
Community cloud computing
A characteristic of cloud computing referring to how quickly and easily more or fewer cloud resources can be used or set aside as needed.
Rapid elasticity
A characteristic of cloud computing, in which users can purchase access to additional resources, as needed.
On-demand
A feature of cloud computing in which multiple clients share a pool of hardware, software, and services.
resource pooling
The network interface of a VM that accesses a hardware NIC to enable network communication for the VM.
Virtual Network Interface Card(NIC)
The program running on a host machine that creates and manages virtual machines. Most often refers to Type 1 virtualization, in which the _______ connects directly with the hardware rather than running on top of the host’s OS.
Hypervisor
A workspace created by a VMM or hypervisor that imitates a computer.
Virtual machine (VM)
A server used to examine and verify or deny credentials of a user attempting to log into secured networks.
Authentification Server
