Deck 18: Virtualization

Question 1

What is another term for a virtual machine?

A)Host
B)Guest
C)Emulator
D)Environment

Answer 1

B

Question 2

Many virtual machine managers replace the CTRL-ALT-DELETE key sequence with _______________.

A)CTRL-ALT-INSERT
B)CTRL-ALT-ESC
C)CTRL-ALT-FN
D)ALT-F4

Answer 2

A

Question 3

What are the most limiting factors in a host's ability to run virtual machines?

A)Hard disk space and RAM
B)Network bandwidth and driver
C)CPU and RAM
D)Hard disk space and router

Answer 3

A

Question 4

What is another term for a snapshot?

A)Checkpoint
B)Backup
C)Rollback
D)File

Question 5

Which company was one of the earliest to make hypervisors, and arguably the one that put PC virtualization on the map?

A)Solaris
B)Microsoft
C)VMware
D)Amazon

Question 6

Which operating system, when added as a virtual machine, requires a separate, licensed copy?

A)Microsoft Windows
B)Ubuntu Linux
C)FreeDOS
D)OpenBSD

Question 7

A physical system that runs specialized virtualization software is called a(n) ________________.

A)host
B)hypervisor
C)guest
D)operating system

Question 8

What important benefit of virtualization provides significant cost savings in utility usage?

A)Hardware expansion
B)Power savings
C)Network security
D)System security

Question 9

Which hypervisor runs in Windows, Mac OS X, and Linux hosts?

A)KVM
B)Hyper-V
C)VirtualBox
D)VMware Fusion

Question 10

Which of these virtualization products is a commercial product (i.e., not free)?

A)KVM
B)VMware Fusion
C)Hyper-V
D)VirtualBox

Question 11

Intel's VT-x and AMD's AMD-V are examples of _______________.

A)virtual network interfaces
B)virtual memory pagers
C)floating point hardware
D)hardware virtualization support

Question 12

Virtual environments are stored as _______________.

A)a set of links
B)processes in RAM
C)a set of files
D)snapshots

Question 13

Hyper-V is a part of which distribution?

A)Mac OS
B)Windows 7
C)Windows 8 Pro
D)Linux

Question 14

What is a virtualization product that works on Mac operating systems?

A)Virtual PC
B)Parallels Desktop
C)KVM
D)Hyper-V

Question 15

Which VMware product is used on Mac systems?

A)ESX
B)Virtual PC
C)Fusion
D)Hyper-V

Question 16

Virtualization occurs when a ________________ running specialized software creates environments within unique single files that _______________ other computers.

A)single computer; manages
B)database; manages
C)single computer; replicates
D)database; replicates

Question 17

What is one important reason to implement virtualization?

A)Online access
B)Resource duplication
C)System management
D)Hardware installation

Question 18

Software or hardware that converts the commands to and from the host machine into an entirely different platform is known as a(n) ________________.

A)hypervisor
B)virtual machine manager
C)supervisor
D)emulator

Question 19

A point-in-time backup of a virtual machine is called a _______________.

A)full backup
B)differential backup
C)snapshot
D)system status

Question 20

What is a popular VMM in the Linux world?

A)Hyper-V
B)Parallels
C)Fusion
D)KVM

Question 21

With virtualization, you can place multiple virtual servers on a single physical system, substantially reducing the use of _______________.

Question 22

A(n) _______________ is the part of an operating system that handles low-level interaction between hardware and software.

Question 23

What company makes ESXi?

A)Microsoft
B)Red Hat
C)Oracle
D)VMware

Question 24

What is another name for a bare-metal hypervisor?

A)Virtual machine manager
B)Type-1 hypervisor
C)Platform
D)Type-2 hypervisor

Question 25

With virtualization, a(n) _______________ operating system is physically installed on a machine.

Question 26

Consolidating a system's physical and time resources is known as ________________.

A)machine managing
B)resource pooling
C)emulating
D)snapshotting

Question 27

Which tool requires an underlying operating system in order to create and manage virtual machines?

A)ESXi
B)DropBox
C)SaaS
D)VMware Workstation

Question 28

What does the abbreviation IaaS stand for?

A)Infrastructure as a service
B)Inspection and analysis system
C)Input and actuate service
D)Inspect, analyze, aggregate, select

Question 29

The most popular reason for virtualization is easier system _______________.

Question 30

What term refers a large number of networked, virtualized servers combined with a powerful front end?

A)Search engine
B)Virtual machine
C)Operating system
D)Cloud computing

Question 31

Virtualized operating system use the same _______________ features as real operating systems, with user names, passwords, permissions, and so on.

Question 32

VMWare's ESXi is an example of a(n) _____________.

A)operating system
B)virtual machine
C)bare-metal hypervisor
D)sandbox

Question 33

What is one of the advantages of Software as a Service?

A)You can use it free of charge.
B)You do not have to install the software.
C)Your data is secure in the cloud.
D)You do not need a powerful computer with a modern operating system.

Question 34

Which of these tools is considered a Web application?

A)Microsoft Word
B)Linux
C)VirtualBox
D)DropBox

Question 35

_______________ perform chores that previously required multiple physical boxes.

Question 36

One way to consolidate hardware is to replace complex desktop PCs with simple but durable _______________, which may not need hard drives, fans, or optical drives.

Question 37

_______________ enable you to make a point-in-time exact copy of the virtual machine that can be used in case of an emergency restore.

Question 38

The term "bare-metal" virtualization software refers to _______________.

A)hypervisors
B)cloud computing
C)virtual switches
D)hardware consolidation

Question 39

A(n) _______________ environment is called a virtual machine (VM).

Question 40

Inactive virtual machines are stored as _______________.

Question 41

An example of a guest operating system that must be licensed is _______________.

Question 42

Using Amazon Web Services, one can easily expand the number of servers and even spread them out geographically with just a click of a switch, a feature known as _______________.

Question 43

_______________ is probably the most popular open-source virtualization program for Linux users.

Question 44

Another name for virtual machine managers such as VMware Workstation is a(n) _______________.

Question 45

A virtualized machine can be seen as a complete system consisting of the physical machine (hardware), a hypervisor, and one or more virtual machines, each with its own set of virtual hardware, a supervisor (operating system) and ________________.

Question 46

Cloud providers often charge their customers based on various types of usage rather than with a fixed fee.This practice is known as ________________.

Question 47

One very popular hypervisor is _______________ VM VirtualBox.

Question 48

PaaS stands for _______________.

Question 49

Once you have installed a hypervisor of your choice on a machine, you will have a _______________ that acts as the primary source to create, start, stop, save, and delete guest virtual machines.

Question 50

VMware's ESXi is an example of a(n) _______________.

Question 51

Most VMMs enable you to use either the host machine's optical drive or a(n) _______________ to install the guest operating system.

Question 52

A(n) _______________ removes the need for an operating system on the VM-supporting machine.

Question 53

_______________ is an example of virtualization software for the Mac platform.

Question 54

A hypervisor can emulate certain physical _______________ such as network interface cards.

Question 55

_______________ virtualization involves running a virtual machine on your local system regardless of whether the virtual machine file is stored locally or on a central server.

Question 56

A(n) _______________ is software or hardware that converts the commands to and from the host machine into an entirely different platform.

Question 57

Microsoft's hypervisor is known as _______________.

Question 58

The number of VMs that can run simultaneously on a host is limited by _______________.

Question 59

Full virtualization requires an extra layer of sophisticated programming called a(n) _______________ to manage vastly more complex interactions.

Question 60

Large groups of networked, virtualized servers providing simple interfaces to a vast array of computing resources are referred to as _______________.

Question 61

What are important considerations during the installation of a virtual machine?

Question 62

Discuss how virtualization eases the task of system recovery.

Question 63

Discuss how virtualization assists in research and testing.

Question 64

What is a hardware concern of emulation?

Question 65

Discuss how virtualization eases the task of system management.

Question 66

What is the difference between a host operating system and a guest operating system?

Question 67

Describe the hardware factors that affect virtualization scalability.

Question 68

List four popular VMMs.

Question 69

Discuss how virtualization enables power savings.

Question 70

How do virtualized operating systems handle security?

Question 71

How do you connect an internal network of virtual machines?

Question 72

What are two virtualization products available for Mac operating systems?

Question 73

Discuss how virtualization enables hardware consolidation.

Question 74

Where is hardware virtualization support for Intel and AMD processors enabled?

Question 75

Describe the difference between emulation and virtualization.

Question 76

Describe the role of a hypervisor.

Question 77

List five advantages of virtualization.

Question 78

What are two important reasons to virtualize?

Question 79

Describe the role of a supervisor in the context of single-OS machines.

Question 80

Define virtualization.