Virtualization and Cloud Computing

Question 1

Type-1 Hypervisor

Answer 1

Bare-Metal Hypervisor.

Installed directly on the hardware; no base OS

Question 2

Type-2 Hypervisor

Answer 2

Applications such as VMware Workstation or VirtualBox, that run on top of a base OS

Question 3

SAN

Answer 3

A server that can take a pool of hard disks and present them over the network as any nember of logical disks.

Three main choices for infrastructure to support SAN:

FC - Fiber Channel

iSCSI - Internet Small Computer System Interface

IB - InfiniBand

Question 4

NAS

Answer 4

A dedicated file server that has its own file system and typically uses hardware and software designed for serving and storing files

Question 5

IaaS

Answer 5

Infrastructure as a Service

Providing servers, switches, and routers to customers for a set rate.

Question 6

PaaS

Answer 6

Platform as a Service

A complete deployment and management system that gives programmers all the tools they need to administer and maintain a Web application.

Question 7

SaaS

Answer 7

Software as a Service

Centralized applications that are accesses over a network