D316 - Chapter 7

Question 1

Running multiple OSs at the same time

Answer 1

Virtualization

Question 2

Guest operating system installed on a host computer

Answer 2

virtual machines (VMs)

Question 3

Software that facilitates VM’s and Virtualization

Answer 3

hypervisor

Question 4

What type of Hypervisor is installed directly onto the computer

Answer 4

Type 1 (bare metal)

Question 5

What type of Hypervisor is VMware?

Answer 5

Type 2 Hypervisor (Software)

Question 6

A virtualization solution designed to run on “ordinary” desktops

Answer 6

Client-Side Virtualization

Question 7

An isolated environment to test viruses and worms

Answer 7

Sandbox

Question 8

Testing software applications under different OSs or Resource Constraints

Answer 8

Cross-Platform Virtualization

Question 9

Deploying a Server Role as a Virtual Machine

Answer 9

Server-Side Virtualization

Question 10

Code running on a server and being streamed to a client

Answer 10

Application Virtualization

Question 11

An isolated execution environment for an application

Answer 11

Containerization

Question 12

Virtualization and CPU extension names

Answer 12

VT-x, AMD-V, SLAT (Second Level Address Translations)

Question 13

The uncontrolled deployment of more and more VM’s

Answer 13

virtual machines sprawl (VM sprawl)

Question 14

A potential attack against a VM platform – Malware running on a Guest OS

Answer 14

virtual machine escaping (VM escaping)

Question 15

Means the server experiences very little downtime

Answer 15

High Availability (HA) (Ex. 99.999%, or “3 Nine’s” of availability)

Question 16

Means the cost of adding other users stays the same in a cloud environment

Answer 16

Scalability

Question 17

A systems ability to handle changes in real time to demand in a cloud environment

Answer 17

Elasticity

Question 18

_______ as a service. Means Single application hosted entirely by a third party

Answer 18

SaaS (Software as a Service) Examples: Salesforce, Google Workspace, Office 365

Question 19

_______ as a service. Means resources, such as servers, load balances, and storage area networks deployed as needed

Answer 19

IaaS (Infrastructure as a Service) Examples: OpenStack, Azure Virtual Machines

Question 20

_______ as a service. Deploys servers and storage network infrastructure but also provides a database/application on top

Answer 20

PaaS (Platform as a Service) Examples: MySQL, Oracle Database

Question 21

Virtualization

Answer 21

Multiple OSs can be installed and run on one computer

Question 22

Virtual Machines

Answer 22

Guest operating system installed on a host computer using a hypervisor

Question 23

Virtual Machines

Answer 23

software that facilitates virtualization or OS

Question 24

Cross Platform Virtualization

Answer 24

Means to test software under various constraints

Question 25

Cross Platform Virtulization

Answer 25

testing software with different Os’s and allocated resources

Question 26

Server-Side Virtulization

Answer 26

Deploying a server role as a virtual machine

Question 27

Server-Side Virtulization

Answer 27

Client Vs. Server

Question 28

Server-Side Virtulization

Answer 28

For server computers and applications, the main use of virtualization is better hardware utilization through server consolidation. Always updated with the latest code.

Question 29

Client Vs. Server

Answer 29

Client is directly accessed by the user; Server is different OS’s running on the server. Used by the server for better hardware utilization.

Question 30

Container Virtualization

Answer 30

Each Instance is allocated resources but are processed with the native kernel