Per Scholas Quiz 22 Flashcards

(29 cards)

1
Q

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

a. single computer; replicate
b. database; replicate
c. single computer; manage
d. database; manage

A

a. single computer; replicate

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2
Q

What is another term for a virtual machine?

a. Environment
b. Host
c. Guest
d. Emulator

A

c. Guest

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3
Q

Virtual environments are stored as _______________.

a. a set of files
b. snapshots
c. processes in RAM
d. a set of links

A

a. a set of files

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4
Q

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

a. hypervisor
b. guest
c. operating system
d. host

A

d. host

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5
Q

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

a. Network security
b. Hardware expansion
c. System security
d. Power savings

A

d. Power savings

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6
Q

What is one important reason to implement virtualization?

a. System management
b. Hardware installation
c. Resource duplication
d. Online access

A

a. System management

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7
Q

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

a. system status
b. differential backup
c. full backup
d. snapshot

A

d. snapshot

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8
Q

What is another term for a snapshot?

a. Checkpoint
b. File
c. Backup
d. Rollback

A

a. Checkpoint

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9
Q

Hyper-V is a part of which distribution?

a. Windows 7
b. Windows 10
c. macOS
d. Linux

A

b. Windows 10

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10
Q

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

a. Amazon
b. Solaris
c. VMware
d. Microsoft

A

c. VMware

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11
Q

What is a virtualization product that works on macOS?

a. KVM
b. Virtual PC
c. Hyper-V
d. Parallels Desktop

A

d. Parallels Desktop

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12
Q

Which VMware product is used on macOS?

a. ESX
b. Hyper-V
c. Virtual PC
d. Fusion

A

d. Fusion

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13
Q

What is a popular VMM in the Linux world?

a. Hyper-V
b. Parallels
c. Fusion
d. KVM

A

d. KVM

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14
Q

Which hypervisor runs in Windows, macOS, and Linux hosts?

a. VirtualBox
b. KVM
c. Hyper-V
d. VMware Fusion

A

a. VirtualBox

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15
Q

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

a. VMware Fusion
b. VirtualBox
c. KVM
d. Hyper-V

A

a. VMware Fusion

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16
Q

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

a. supervisor
b. hypervisor
c. virtual machine manager
d. emulator

17
Q

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

a. virtual memory pagers
b. floating point hardware
c. hardware virtualization support
d. virtual network interfaces

A

c. hardware virtualization support

18
Q

Apart from hardware virtualization support, the second concern is _______________.

a. Hard disk space and router
b. RAM
c. Network bandwidth and driver
d. CPU

19
Q

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

a. Microsoft Windows
b. Ubuntu Linux
c. OpenBSD
d. FreeDOS

A

a. Microsoft Windows

20
Q

The term virtual desktop commonly refers to the multiple desktop environments you can access in modern operating systems, such as clicking the _______________ in Windows 10 and going to a second desktop.

a. Control Panel
b. Device Manager
c. Start button
d. Task View icon

A

d. Task View icon

21
Q

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

a. sandbox
b. bare-metal hypervisor
c. virtual machine
d. operating system

A

b. bare-metal hypervisor

22
Q

What company makes ESXi?

a. Red Hat
b. Microsoft
c. VMware
d. Oracle

23
Q

Using Cloud-based features, you can easily expand the number of servers, even spread them out geographically, with just a click of the switch. This ability is called _______________.

a. rapid expansion
b. on-demand scalability
c. rapid elasticity
d. virtual expansion

A

a. rapid expansion

24
Q

_______________ makes Office applications available for smartphones, tablets, laptops, and desktops.

a. Metered service
b. IaaS
c. Virtual application streaming
d. Measured service

A

c. Virtual application streaming

25
Cloud file storage services, like Dropbox and Box allow people to move to the cloud for some of their storage needs. These services include _______________ with their desktop versions, so that you can easily have the same version of every file in multiple places (desktop, laptop, online). a. on-demand apps b. resource pooling c. hypervisors d. synchronization apps
d. synchronization apps
26
What term refers to a large number of networked, virtualized servers combined with a powerful front end? a. Operating system b. Virtual machine c. Cloud computing d. Search engine
c. Cloud computing
27
What does the abbreviation IaaS stand for? a. Inspection and analysis system b. Infrastructure as a service c. Inspect, analyze, aggregate, select d. Input and actuate service
b. Infrastructure as a service
28
What is one of the advantages of Software as a Service? a. You do not have to install the software. b. Your data is secure in the cloud. c. You do not need a powerful computer with a modern operating system. d. You can use it free of charge.
a. You do not have to install the software.
29
Consolidating a system's physical and time resources is known as ________________. a. resource pooling b. machine managing c. emulating d. snapshotting
a. resource pooling