4.2 – Virtualization Types

Question 1

Desktop Virtualization:

VDI

Answer 1

Virtual Desktop Infrastructure

o used to provide VM to be used as virtual desktops by remote users

o Provides simplified centrally managed user systems

o Can be done on-premise / cloud

• Companies put 30 VM on 1 desktop & have users access remotely
• Allows IT management to centralize all computers in one
• Problem = have to reboot machine

Question 2

Client-Side Virtualization

Answer 2

• Test development = test apps on other OS
• App virtualization
  —Legacy software / OS = run on old OS [Win 98 / DOS]

Question 3

Client-Side Virtualization:

Sandbox

Answer 3

isolate system / network from other systems/networks

Question 4

Client-Side Virtualization:

Cross-Platform Virtualization

Answer 4

run multiple different platforms

Question 5

Client-Side Virtualization:

Isolation

Answer 5

guest machines CANNOT communicate with each other onto virtual network

Question 6

Hypervisor

Answer 6

software to create, run, & manage the VMs

Question 7

Type 1 Hypervisors

Answer 7

run DIRECTLY on hardware WITHOUT OS [progammers test many apps]
—Faster / stable
—Prioritizes resources for the VMs [used in enterprises]
—AKA = BARE METAL VIRTUALIZATION
—EX: VM / ESK / Internet / amazon.com / web services / large organizations

Question 8

Type 2 Hypervisors

Answer 8

runs WITHIN OS
—Shares resources between host & the VMs
—Home / SOHO / Test environment
—For data centers to run hundreds of VMs at once
—Easier to work with