Exploring virtual networks

A virtual network is very similar to a physical network in many ways, but for the Security+ exam, we must know the concepts of virtualization. To be able to host a virtual environment, we must install a hypervisor on a computer hosting the virtual machines. There are two different types of hypervisor:

  • Type 1 hypervisor: This is a enterprise version that can be installed on a computer without an operating system, called bare metal. Examples are VMWare ESX, Microsoft's Hyper V, or Zen used by Amazon Web Services (AWS).
  • Type 2 hypervisor: This needs an operating system, such as Server 2016 or Windows 10, and then the hypervisor is installed like an application. An example of a Type 2 hypervisor is Oracle's VM VirtualBox ...

Get CompTIA Security+ Certification Guide now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.