Virtualization

Question 1

Cache

Answer 1

Block of memory for temporary storage

Question 2

Virtualization

Answer 2

Creating a virtual computer

Can contain CPU, OS, storage, network card, firewall, router, NIC

Question 3

VM

Answer 3

Virtual Machine

Virtual computer lives inside a host

Question 4

Host Machine

Answer 4

AKA Virtual Host

Physical machine that a VM(s) resides in

Question 5

Hypervisor

Answer 5

Software that provides virtualization

Provides VMM

Question 6

VMM

Answer 6

Virtual Machine Monitor

Manages and controls underlying physical hardware and associated virtual hardware

Question 7

Hypervisor Types

Answer 7

Type 1

Type 2

Question 8

Type 1 Hypervisor

Answer 8

AKA bare-metal hypervisor
Loaded directly on hardware
Commonly used on servers
VMware vSphere/ESXi, Microsoft Hyper-V, Linux KVM, Red Hat Enterprise Virtualization, Citrix XenServer

Question 9

Type 2 Hypervisor

Answer 9

AKA hosted hypervisor
Loaded on OS
Commonly used on personal computers
VMware Workstation, Oracle VirtualBox, VMware Fusion and Parallels for Max

Question 10

Virtual Switch Types

Answer 10

Standard (vSwitch)

Distributed (dvSwitch)

Question 11

vSwitch

Answer 11

Standard Virtual Switch
Typical virtual switch
Dedicated to one specific host VM, managed from host VM

Question 12

dvSwitch

Answer 12

Distributed Virtual Switch
Span multiple host VMs, connects virtual networks together
Needs to be able to communicate with central control plane