Virtualization Concepts 4.2

Question 1

• Host computer installed with a hypervisor that can be used to install and manage multiple guest operating systems or virtual machines
• the heart of cloud computing

Answer 1

Virtualization

Question 2

Runs within the normal operating system

Answer 2

Type II Hypervisor

Question 2

Runs directly on the host hardware and functions as the operating system

Answer 2

Type 1 Hyper (Bare Metal)

Question 2

_____ solution that allows an application to be packaged up and streamed directly to a user’s PC

Answer 2

Client-based (Application streaming)

Question 3

______ solution that runs the application on servers in a centralized location

Answer 3

Sever-based (Terminal services)

Question 3

Manages the distribution of the physical resources of a server to the VMs

Answer 3

Type I (bare metal) & Type II (Hosted)

Question 3

Encapsulates computer programs from the underlying OS on which they are executed

Answer 3

Application virtualization

Question 3

Hosts desktop OSs within a virtualized environment hosted by a centralized server or server farm

Answer 3

Virtual Desktop Infrastructure (VDI)

Question 4

Type of virtualization applied by a host operating system to provision and isolated execution environment for an application

Answer 4

Container-based virtualization (Containerization)

Question 4

an isolated environment for analyzing pieces of malware

Answer 4

Sandbox

Question 4

Allow for the testing and running of software applications for different operating systems

Answer 4

Cross-platform virtualization

Question 5

system imitation

Answer 5

Emulation

Question 5

new “physical” machine

Answer 5

Virtualization

Question 6

Improves the performance of virtual memory when running multiple virtual machines on a single physical host

Answer 6

Second level address translation (SLAT)

Question 7

SLAT for intel is known for

Answer 7

Extended Page Table (EPT)

Question 7

Reduced instruction set and computer architecture in a computer processor

Answer 7

ARM

Question 7

SLAT for AMD is known for

Answer 7

Rapid Virtualization Indexing (RVI)

Question 8

Amount of physical memory installed on a physical server

Answer 8

System memory

Question 9

____ installation takes 20-50 gigabytes of space

Answer 9

Barebones Windows

Question 10

__ environment takes 20-40 gigabytes of space

Answer 10

Mac

Question 11

___ allows multiple cards for higher speeds

Answer 11

NIC teaming configuration

Question 12

• Threat attempts to get out of an isolated VM and send commands to the underlying hypervisor
• VM to hypervisor or host OS

Answer 12

VM Escape

Question 13

• Threat attempts to move from one VM to another on the same host
• VM to VM

Answer 13

VM Hopping

Question 13

VM escape is easier to perform on a ___ than a ___

Answer 13

1. Type II hypervisor
2. Type I hypervisor

Question 14

separates running processes and programs to mitigate system failures or software vulnerabilities

Answer 14

Sandbox

Question 15

Occurs when an attacker circumvents sandbox protections to gain access to the protected OS or other privileged processes

Answer 15

Sandbox Escape

Question 16

Migrates the virtual machine from one host to another while it’s running

Answer 16

Live migration

Question 17

Ensure that live migration only occurs on a ___ or utilizes ____

Answer 17

1. trusted network
2. encryption

Question 18

Leftover pieces of data that may exist in the hard drive which are no longer needed

Answer 18

Data Remnants

Question 19

Uncontrolled deployment of virtual machines

Answer 19

VM sprawl

Question 20

Allows for the full integration of the storage, network, and servers without hardware changes

Answer 20

Hyperconverged infrastructure

Question 21

32 bit processor and operating system can only access 4 GB of RAM

Answer 21

x86

Question 22

16 exabytes of RAM and 32 bit processor cannot run an 64 bit application

Answer 22

x64