COMPUTER NETWORKING

WIRELESS NETWORKS AND MOBILE IP

INTRODUCTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is cloud computing? (1-4)
A
Storing large amounts of data on a single computer
B
Using the internet to store and access data and programs remotely
C
Storing hard copies of data as a backup
D
Using the internet to communicate with other users
Explanation: 

Detailed explanation-1: -Cloud computing is on-demand access, via the internet, to computing resources-applications, servers (physical servers and virtual servers), data storage, development tools, networking capabilities, and more-hosted at a remote data center managed by a cloud services provider (or CSP).

Detailed explanation-2: -Simply put, cloud computing is the delivery of computing services-including servers, storage, databases, networking, software, analytics, and intelligence-over the internet (“the cloud”) to offer faster innovation, flexible resources, and economies of scale.

Detailed explanation-3: -In the simplest terms, cloud computing means storing and accessing data and programs over the internet instead of your computer’s hard drive. (The PCMag Encyclopedia defines it succinctly as “hardware and software services from a provider on the internet.") Ultimately, the “cloud” is just a metaphor for the internet.

Detailed explanation-4: -SaaS or Software as a Service uses cloud computing to provide users with access to a program via the Internet, commonly using a subscription service format. Cloud security protects data and online assets stored in cloud computing servers on behalf of their client users.

There is 1 question to complete.