Cloud Models

Question 1

What is the definition of cloud services?

Answer 1

cloud computing infastructure comprises a network of remote servers hosted in data centers around the world.

Question 2

what is a private cloud?

Answer 2

also known as internal or corporate cloud. it is a cloud computing enviroment that is exclusively operated and used by a single organization.

Question 3

what is a public cloud?

Answer 3

cloud computing resources and services that are provided and managed by third-party cloud service providers and made available to multiple customers, organizations or individuals over the internet. Such as Amazon, microsoft, google, dropbox etc.

Question 4

What is IaaS?

Answer 4

Infastructure as a Service. provides virtualized computing resources over the internet. Users can rent virtual machines, storage and networking infastructure.

Question 5

What is PaaS?

Answer 5

Platform as a Service. Offers a development platform and enviroment that simplifies the process of building, deploying, and managing applications.

Question 6

What is Saas?

Answer 6

Software as a Service. delivers software application and services over the internet on a subscription basis. Users can access these applications through web browsers without needing to install or maintain them.

Question 7

what are the services offered by IaaS?

Answer 7

virtualization, servers, storage, networking

Question 8

what are the services offered by PaaS?

Answer 8

runtime, middleware, OS, virtualization, servers, storage, networking

Question 9

what services are offered by SaaS?

Answer 9

application, data, runtime, middleware, OS, virtualization, servers, storage, networking

Question 10

what is middleware?

Answer 10

software that acts as a bridge between an operating system or database and applications, especially on a network. also known as “software glue”

Question 11

what is internal cloud?

Answer 11

another name for private cloud.

Question 12

What is external cloud?

Answer 12

another name for public cloud.

Question 13

What is a metered cloud service?

Answer 13

you pay for what you use. there is a cost to upload, a cost to download and a cost to store.

Question 14

what is a non metered service?

Answer 14

you pay for a block of storage. there is no cost to upload and no cost to download.

Question 15

what is rapid elasticity?

Answer 15

one of the fundamental characterisitics of cloud computing. refers to the ability of cloud resources and services to rapidly and automatically scale up or down.

Question 16

what is cloud file synchronization?

Answer 16

also referred to as file sync, a process that allows users to maintain copies of their files and data across multiple devices and cloud storage services in a synchronized and up to date state.

Question 17

what is DaaS?

Answer 17

Desktop as a Service. provides virtual desktop infastructure as a service. It enables users to access their desktop enviroments, including OS, applications and data from the cloud via internet regardless of the device they are using.