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network+ > Chapter 16 Packet > Flashcards

Chapter 16 Packet Flashcards

1
Q

Which term describes the creation of a complete environment in which a guest operating system can function as though it were installed on its own computer?

A

Virtualization

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2
Q

Which term is another name for a virtual machine?

A

Guest

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3
Q

Which technology creates a simulation of a world or environment that appears to be real, even though the person wearing the required headgear and gloves is located in a room that does not resemble the simulated space?

A

Virtual reality

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4
Q

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

A

Microsoft Windows

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5
Q

Which folder in the user’s Documents folder does VMware create and use upon installation?

A

Virtual Machines

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6
Q

VMware Workstation replaces CTRL-ALT-DELETE with __________ by default.

A

CTRL-ALT-INSERT

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7
Q

A virtual machine that is shut down is no more than a(n) __________ or folder sitting on a hard drive.

A

file

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8
Q

Which term refers to the most common limiting factor in a host’s ability to run virtual machine?

A

RAM

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9
Q

Which advantage of virtualization provides substantial reduction in dollars spent and electricity used?

A

Power savings

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10
Q

Which term refers to a technology that is great for doing risky (or even not-so-risky) maintenance with a safety net?

A

Snapshot

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11
Q

Which program is an example of bare-metal virtualization software?

A

VMware ESXi

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12
Q

Which type of hypervisor relies on an underlying operating system?

A

Type-2

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13
Q

Which tool is an example of a Type 1 hypervisor?

A

VMware ESXi

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14
Q

Which hypervisor serves as the foundation for massive cloud offerings by Amazon, IBM, and RackSpace?

A

Citrix XenServer

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15
Q

Which statement best describes the importance of virtualization?

A

It increases flexibility as the scale of an operation increases.

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16
Q

Which hypervisor comes with Microsoft Server and Windows 8?

A

Hyper-V

17
Q

Which hypervisor is considered to be the industry leader?

A

ESXi

18
Q

Which tool is used to create, configure, and maintain virtual machines on the host from the comfort of a client computer running the tool?

A

vSphere Client

19
Q

Which hypervisor is closely integrated with Linux’s kernel?

A

KVM

20
Q

Jumbo frames are usually __________ bytes long—though technically, anything over 1500 counts—and they reduce the total number of frames moving through the network.

A

9000

21
Q

Which technology refers to an infrastructure that can be utilized to support a SAN?

A

Fibre Channel over Ethernet (FCoE)

22
Q

An advantage of consolidating storage using a storage area network (SAN) is that it __________.

A

avoids performance costs of a file implementation system

23
Q

Which technology allows multiple VMs to have access to the Internet?

A

Virtual switch

24
Q

Which term refers to a software connection that passes traffic from the real NIC to a virtual one?

A

Bridge

25
Q

Software defined networking (SDN) allows a __________ controller to determine how network components will move traffic through the network

A

master

26
Q

Which cloud service model is used by Amazon Web Services (AWS)?

A

Infrastructure as a Service (IaaS)

27
Q

Virtual servers and virtual network components can be created in the cloud using Infrastructure as a Service (IaaS) providers, often at rates measured in __________ per hour.

A

pennies

28
Q

Which cloud service is a set of tools and services designed to make coding and deploying applications delivered over the web quick and efficient?

A

Platform as a Service

29
Q

Which vendor was one of the earliest PaaS providers?

A

Heroku

30
Q

Community clouds are run by __________.

A

a group of organizations with similar goals or needs

network+ (9 decks)

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