Solution of Chapter 8: Cloud Computing

 

Chapter 8: Internet Services and Safety

A. Tick [ ] the correct answer:

1. __________ is a technology that provides resources and services over the internet.
1. Cloud Computing
2. __________ include accessing software and storing files online.
1. Resources.
3. __________ allows cloud providers to pool large-scale IT resources to serve multiple cloud consumers.
1. Resource Pooling
4. __________ gives you 15 GB free online storage.
1. Google Drive

B. Write 'T' for True and 'F' for False statements:

1	SaaS is a method of delivering software over the internet.	T
2	In community cloud, the services are offered to a group of organization.	T
3	A public cloud is not proprietary of any organization.	T
4	AWS is not a service provider of cloud computing.	F
5	You cannot delete a file permanently from Google Drive.	F

C. Fill in the blanks:

1	_________ cloud offers the services to a limited and well defined number of users.	Private, Hybrid
2	Cloud computing services are based on a _____ model.	Pay As you Go
3	In_______ , we can keep files, folders, backups and everything important, online.	Google Drive
4	Whenever we delete any file, it goes into _____ folder.	Trash
5	After finishing our work in Google Drive, we must __________ from it.	Sign out.

D. Define the following:

1	SAAS :	SaaS or Software as a Service is a method of delivering software applications over internet, on demand and typically on a subscription basis.
2	IAAS  :	IaaS or Infrastructure as a Service provides IT infrastructure like servers, storage, network operating system over the internet on ‘Pay as you Go’ Basis.
3	PAAS :	PaaS or Platform as a Service provides cloud platform and allows developers to create, test and run their program, website, web app etc. Without having to purchase the hardware and software.

E. Differentiate between the following:

Public Cloud	Private Cloud
A Public Cloud is not a proprietary of any organization. The services provided in these clouds can be accessed by any organization or individual. It also provides security but that has to be maintained by respective organization or individual..	A private cloud is a proprietary architecture subscribed to by an organization. It provides hosted services to the users within the organization. This is due to maintain security of any organization data from outside of the world.

F. Answer in 1-2 sentences:

1.  What do you mean by Cloud Computing?

Ans: Cloud Computing is a technology that provides resources and services over the internet. Resources include email messages, schedules, music etc. and Services include accessing software and storing files online.

2. What are Service providers?

Ans: Any organizatiion or any company which provides cloud computing services to computer users are called Service Providers. For example companies like Amazon Web Services, Google Cloud Platform and Microsoft Azure.

3. What is Google Drive?

Ans: Google Drive is a cloud storage service developed by Google, you can store your files online in Google Drive and can access then from anywhere in the whole world. It provides 15GB of free Online Storage.

G. Answer briefly:

1. Write the reasons for Choosing Cloud Computing:

Ans: Reasons are,

A) Accessibility: Data and Application can be made available and accessible for any computers and users online.

B) Cost Saving: Use of Online Cloud computing solution shifts away the expense of purchasing costly hardware and software solutions.

C) Space Saving: Floor space required for servers(very expensive computer) and other hardware is not needed here.

D) Scalability: It provides the flexibility to increase or decrease computing requirements as per the need.

2. What are the characteristics of cloud computing?

Ans: Characteristics of Cloud Computing are:-

a) On Demand Self Service

b) Elasticity

c) Pay Per Use

d) Resource Pooling

3) Explain Briefly the term Resource Pooling?

Ans: Resource Pooling allows cloud providers to pool large-scale IT resources to serve multiple cloud consumers. The cloud enables many users to enter and use data within the particular software hosted in the cloud at the same time.

H. Application based questions:

1) Riya has created a document on 'States of India'. She needs to share this project with her teacher online. Help her to complete the task.

Ans: Here I will ask Riya to upload the document on Google drive and then share the document file link with teacher.

2) An organization has to use a cloud computing services to set up their new offices. Also the organization wants to secure their data from outside world, what type of Cloud Computing services required for the organization?

Ans: Here in terms of the requirements of the organization, they require to use Private Cloud Computing services.