Chapter 22 - Virtualization

Question 1

What is a Virtual Machine(VM)

Answer 1

a completely self contained computer that is running within a host operating system.

Question 2

Virtualization

Answer 2

uses some of the host system hardware/components to run a separate internal system.

Question 3

Emulation

Answer 3

Pretend to have hardware that you don’t have.

Question 4

Hypervisor

Answer 4

host that runs the virtual machine.

Question 5

Type 1 Hypervisor

Answer 5

runs directly on top of the hardware as an OS.

Question 6

Type 2 hypervisor

Answer 6

runs as an app in an OS.

Question 7

Rapid Elasticity

Answer 7

copying a VM and moving the copied VM to a different location. Building or extending your cloud-based network quickly and efficiently.

Question 8

On-demand

Answer 8

clone or copy a VM during high demand and remove copies during low demand.

Question 9

Resource Pooling

Answer 9

Having multiply VM’s use or share resources.

Question 10

IaaS

Answer 10

Infrastructure as a Service(IaaS) offers computer networking, storage, load balancing and VM hosting. Also moves network tasks such as firewalls into the cloud. Being able to setup/make a website on a VM.

Question 11

PaaS

Answer 11

Platform as a Service(PaaS) the ability to develop and test applications in a virtual environment. Moves the machines into the cloud so you can concentrate on apps. Great for programmers. Virtual code editor.

Question 12

SaaS

Answer 12

Software as a Service. Moves apps to the cloud. Google Docs, Google Maps. Software that you run as a service.

Question 13

Cloud storage and synchronization

Answer 13

Cloud storage enables access to synchronized saved files from any device.