Virtualization

Question 1

What shared resources virtual machines use?

Answer 1

CPU Memory Network Storage

Question 2

What is virtual machine consist of?

Answer 2

Live state and VM files

Question 3

What is vNIC?

Answer 3

virtual Network Interface Card

Question 4

VM conversion tools

Answer 4

VMware vCenter Converter Microsoft System Center Virtual Machine Manager Citrix XenConvert

Question 5

How the virtual storage works?

Answer 5

SCSI(сказі) command➡️SCSI controller➡️ hypervisor➡️storage adapter➡️virtual disk file or datastore

Question 6

How the virtual network works?

Answer 6

vNIC➡️vSwitch➡️pNIC➡️pServer v - virtual p- physical

Question 7

Benefits of virtualization

Answer 7

consolidation efficiency mobility( easy migrating VMs between hosts)

Question 8

Benefits of Virtualization

Answer 8

Consilidation Efficiency Mobility

Question 9

Types of hypervisors

Answer 9

Type 1(bare-metal) installed on top of a physical server, includes 2 layers: hardware and hypervisor with guest OSs Type 2(Hosted) includes 3 layers:hardware, host OS and hypervisor wih guest OSs

Question 10

Hypervisors type 1

Answer 10

VMware
Hyper-V
XenServer

Question 11

Hypervisors type 2

Answer 11

VMware Workstation
Virtual Server
Virtual Box
Fusion(on MAC)

Question 12

What is SCSI?

Answer 12

SCSI (usually pronounced “scuzzy”) stands for Small Computer System Interface, and is the oldest type of interface used for attaching peripheral devices to computers. Almost all PCs, Apple Macintosh computers and other UNIX systems used these connectors to connect server motherboardswith the hard drives and transfer data to and from them.