Hypervisors

Question 1

What is a Hypervisor?

Answer 1

Manages the distribution of physical resources of the host machine (server) to the virtual machines (guests).

There are 2 types of Hypervisors

Question 2

What is a Type 1 Hypervisors?

Answer 2

Known as Bare Metal or Native Hypervisor. Faster and more efficient than Type 2 because it doesn’t use resources on a primary OS.

Runs on the hosts hardware, acts basically as an OS.

Microsoft Hyper-V, VM Ware ESXi & V-Sphere, Citrix XenServer

Question 3

What is a Type 2 Hypervisor?

Answer 3

Runs within a normal OS such as Windows and Linux as an emulator.

VM Ware, Virtual Box, Parallels

Question 4

What is Application Containerization?

Answer 4

Considered a 3rd type of Hypervisor.

A single operating system kernel is shared across multiple VM’s. Each VM receives its own user space for programs and data.

Allows for rapid and efficient deployment of apps.