Chapter 18 Review: Virtualization Flashcards Preview

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Flashcards in Chapter 18 Review: Virtualization Deck (26)
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1
Q

Hypervisors like ESXi can, and are often booted from?

A

USB Thumb Drives

2
Q

A guest is installed under the _____ OS

A

Host

3
Q

An ____ is software or hardware that can convert the commands to and from a host machine to an entirely different platform

ex: Playing Sony Playstation games on a PC

A

Emulator

4
Q

A _____ is an OS or application environment that is installed on software which imitates dedicated hardware

A

Virtual machine

5
Q

What is required for virtualization?

A
  • Enough RAM to support every VM
  • Enable virtualization inside BIOS
  • Adequate hard drive space
  • CPU that supports vms
6
Q

The ability to easily accommodate an increased number of users by expanding the number of servers being used is called _______

A

Rapid elasticity

7
Q

The ability to adjust bandwidth capacity based on usage is called ______

A

on-demand

8
Q

Having applications, data, runtime, middleware, OS, virtualization, servers, storage, and network managed by a third party is called:

(User manages nothing)

A

Software as a Service

9
Q

Having runtime, middleware, OS, virtualization, servers, storage, and networking managed by a third party is called:

(User manages applications and data)

A

Platform as a Service

10
Q

Having virtualization, servers, storage, and networking managed by a third party is called:

(User manages applications, data, runtime, middleware, and OS)

A

Infrastructure as a Service

11
Q

Used for a single organization, can be hosted internally or externally

A

Private Cloud

12
Q

Shared by several organizations, can be internally or externally hosted

A

Community Cloud

13
Q

Composition of two or more clouds that remain unique but are connected and providing benefits of multiple deployment models

A

Hybrid Cloud

14
Q

Provisioned for open use for the public by an organization who hosts the service

A

Public Cloud

15
Q

List the four steps for creating a VM

A
  1. Verify and setup hardware
  2. Install a hypervisor
  3. Create a new VM
  4. Start the VM and install the new OS
16
Q

What are the two most popular Mac OS X virtualization programs?

A
  • Parallels Desktop

- VMware Fusion

17
Q

A hypervisor that involves guests, a host OS, and hardware is what type?

A

Type 2

18
Q

A hypervisor that involves just a hardware and guests (and no host OS) is what type?

A

Type 1

19
Q

What do you need to install an OS onto a VM?

A

Valid installation media

20
Q

_____ involves scalable services that can be adjusted to suit multiple client’s needs

A

Resource pooling

21
Q

A _____ is computer software that creates and runs virtual machines

A

hypervisor

22
Q

______ are backups of a VM

A

Snapshots

23
Q

What are some benefits to virtualization

A
  • Hardware consolidation
  • System management
  • Security
  • Research
  • Power saving
24
Q

In cloud computing, being charged on a sliding scale based on usage is called:

A

Measured service

25
Q

What is the main limiting factor to running many VMs at once on a PC?

A

Physical RAM

26
Q

How is a VM stored when powered off?

A

A file