4.1 Compare and contrast cloud computing concepts.

Question 1

___ can be thought of as a virtual data center. You may see this sometimes referred to as hardware as a service.

Answer 1

Infrastructure-as-a-Service (IaaS)

Question 2

____ provides a space for developers to build their own applications.

Answer 2

Platform-as-a-Service (PaaS)

Question 3

___ can be described as any program that is accessed via the Web and not locally installed.

Answer 3

Software-as-a-Service (SaaS)

Question 4

In an ___ environment, clients are entirely responsible for managing, maintaining, and patching operating systems and applications.

Answer 4

IaaS

Question 5

Examples of ___ providers include DigitalOcean® and Rackspace®.

Answer 5

IaaS

Question 6

Examples of ___ providers include Google Apps® and Dropbox®.

Answer 6

SaaS

Question 7

What is the advantage of SaaS?

Answer 7

It allows organizations to access their programs anywhere an Internet connection is available.

Question 8

Examples of ___ providers include Google App Engine® and AWS Elastic Beanstalk®.

Answer 8

PaaS

Question 9

Items such as servers, firewalls, routers, and switches provided by the cloud would be included with what kind of cloud infrastructure?

Answer 9

IaaS

Question 10

The ___ cloud refers to anything that is delivered across the open Internet.

Answer 10

public

Question 11

A ___ cloud is a shared cloud being used by multiple organizations.

Answer 11

community

Question 12

___ clouds are the most secure cloud option, but they come at a high price, they give organizations flexibility while ensuring that they still have 100% ownership of their data and infrastructure.

Answer 12

Private

Question 13

Private, community, and public clouds can be combined to create a ___ cloud.

Answer 13

hybrid

Question 14

The client is responsible for security, maintenance, applications, and operating systems in what cloud model?

Answer 14

IaaS

Question 15

One common implementation of ___ is a web hosting provider. You purchase the hardware from that web hosting provider. But you’re responsible for installing the web hosting software and maintaining all of your websites.

Answer 15

IaaS

Question 16

Sometimes referred to as on-demand software. You log into a website and you immediately have access to the software.

Answer 16

SaaS

Question 17

Payroll services, google docs, Gmail are examples of what?

Answer 17

SaaS

Question 18

In this model, you want to maintain control of your software environment, but you don’t want to maintain any equipment.

Answer 18

IaaS

Question 19

Who manages data and applications in SaaS, PaaS, and IaaS respectively?

Answer 19

SaaS- the provider manages both
PaaS- the client manages both
IaaS- the client manages both

Question 20

With ___ cloud services, there can be a cost for almost anything you would do on that service. If you upload a file, there’s a cost. If you download a file, there’s a cost associated with that.

Answer 20

metered

Question 21

A metered service differs from a measured service because..

Answer 21

rather than being interested in how long your Web application has been running or some other service measurement, they base the pricing off of the amount of processing resources you require.

Question 22

When purchasing services from a cloud provider, you may be billed based on Web traffic or uptime. This type of billing process is known as a ___ service.

Answer 22

measured

Question 23

___ is the concept of combining the resources of physical servers and making them available in a single pool. It allows customers to use and pay for only the resources they need from at a given time.

Answer 23

Resource pooling

Question 24

Instant resource provisioning is known as…

Answer 24

on-demand self service

Question 25

Being able to easily scale up or scale down is known as..

Answer 25

rapid elasticity

Question 26

Using the hardware of idle servers to service the needs of another active server is known as what?

Answer 26

resource pooling

Question 27

Resource planning and granular chargebacks is important for what kind of cloud?

Answer 27

measured

Question 28

Cloud file storage has made accessing files much easier than in the past. This is because many cloud file storage services use ___ , which allow users to access the same version of their files on all of their multiple devices.

Answer 28

synchronization apps

Question 29

It’s not necessary to use all of your cell phone or tablet’s storage to store hundreds of songs because they can now be ___ directly from the cloud.

Answer 29

streamed

Question 30

• Stores files on a local drive
• sends it to the cloud
• can send it to your other drives too

Answer 30

synchronization app

Question 31

What allows you to run applications or part of applications without actually installing it on your device? Or possibly cache them for later use?

Answer 31

streaming

Question 32

What are some advantages of streaming applications in the workplace?

Answer 32

• Easy to manage and make changes
• no complex deployment process
• only streamed if being used

Question 33

VDI stands for what? means what?

Answer 33

Virtual desktop infrastructure. It’s a way of accessing a premade desktop or personal desktop through the cloud regardless of the device currently being used.

Question 34

This allows users to have their own desktop or desktop that has been pre-built for them and they can simply log in to the cloud to use their normal desktop.

Answer 34

VDI

Question 35

What security advantage do VDIs offer?

Answer 35

The NIC is entirely virtual; if you’re working on sensitive information on a virtual desktop, all of that information remains local to that virtual desktop