Virtualization

Question 1

Resource requirements to provide Virtualization

Answer 1

Intel-VT and AMD-V CPUs with virtualization enabled

Question 1

Purpose of virtual machines

Answer 1

• Sandbox
  
  • Creates an isolated environment
  • Great for learning and test development
• Application virtualization
  
  • Legacy software/OS
    
    • Example: different versions of the same application
  • Cross-platform virtualization
    
    • Allows applications built for a specific platform to operate on other platforms

Question 2

What is hypervisor

Answer 2

software that creates and runs virtual machines (VMs)

Question 3

Type 1 hypervisor

Answer 3

A Type 1 hypervisor is a layer of software installed directly on top of a physical server and its underlying hardware

Question 4

Type 2 Hypervisor

Answer 4

Type 2 hypervisors run inside the physical host machine’s operating system, which is why they are called hosted hypervisors