Cloud Services Definitions

Question 1

What is Infrastructure-as-a-Service (IaaS)?

Answer 1

IaaS is a cloud computing model where a provider offers virtualized infrastructure resources like servers, storage, and networking. The organization manages the operating system, applications, and data, while the provider manages the physical hardware.

Examples: Amazon Web Services (AWS), Microsoft Azure.

Question 2

What is Platform-as-a-Service (PaaS)?

Answer 2

PaaS provides a cloud platform with tools and services to develop, test, and deploy applications. The provider manages infrastructure and platform, while the organization controls the applications they build.

Examples: Google App Engine, Wix.

Question 3

What is Software-as-a-Service (SaaS)?

Answer 3

SaaS delivers fully managed software applications over the internet. The provider manages infrastructure, platform, and software; the organization simply uses the application.

Examples: Microsoft 365, Netflix, Salesforce.

Question 4

What is Business Process-as-a-Service (BPaaS)?

Answer 4

BPaaS is outsourcing entire business processes along with the supporting software and infrastructure, delivered via the cloud. The provider manages the process end-to-end.

Examples: Payroll services like ADP, QuickBooks Online Payroll.

Question 5

A company rents virtual servers and storage from a provider but manages its own operating systems and applications. What type of cloud service is this?

Answer 5

Infrastructure-as-a-Service (IaaS)

The CSP provides the physical infrastructure like servers and storage, while the company controls and manages the operating systems, applications, and runtime environment.

Question 6

A developer uses a cloud service to build and deploy a custom web app but doesn’t manage the underlying servers or storage. What type of cloud service is this?

Answer 6

Platform-as-a-Service (PaaS)

The CSP provides the infrastructure and development tools, while the user controls the application they build and deploy without worrying about hardware or OS management.

Question 7

A company uses a cloud-based app to manage its customer relationships without installing or maintaining any software. What type of cloud service is this?

Answer 7

Software-as-a-Service (SaaS)

The CSP provides the entire software application along with infrastructure and platform management, so the company simply uses the ready-made software over the internet.

Question 8

A company outsources its entire payroll process to a cloud provider who handles the software, infrastructure, and the business process itself. What type of cloud service is this?

Answer 8

Business-Process-as-a-Service (BPaaS)

The provider manages the full business process (payroll), including the software and infrastructure, effectively outsourcing a core operational function to the cloud.

Question 9

A company uses a cloud-based email service that they access through a web browser without managing any hardware or software. What type of cloud service is this?

Answer 9

Software-as-a-Service (SaaS)

The provider delivers the complete software application and manages all infrastructure and platform components, so the company simply uses the software over the internet.

Question 10

A company uses a cloud service provider that provides tools to customize and build their own applications but does not manage the underlying hardware. What type of cloud service is this?

Answer 10

Platform-as-a-Service (PaaS)

The provider supplies the infrastructure and development environment, while the company focuses on creating and managing their applications without handling servers or storage.

Question 11

A company rents virtual servers and storage but installs and manages its own operating systems and applications. What type of cloud service is this?

Answer 11

Infrastructure-as-a-Service (IaaS)

The provider supplies the hardware infrastructure like servers and storage, while the company controls and manages the operating systems, applications, and runtime environment.

Question 12

A company uses a cloud service that lets them fully customize and build their own applications but does not manage the underlying hardware or network. What type of cloud service is this?

Answer 12

Platform-as-a-Service (PaaS)

The provider manages the infrastructure and platform, while the company focuses on developing and managing their own applications without worrying about hardware or OS maintenance.

Question 13

A company uses a cloud service that provides ready-to-use software accessed via the internet, with all maintenance and updates handled by the provider. What type of cloud service is this?

Answer 13

Software-as-a-Service (SaaS)

The provider manages the infrastructure, platform, and software, so the company simply uses the application without worrying about hardware, updates, or security.

Question 14

A company uses a cloud service that provides a complete software application accessed online, including all updates and security, without managing any infrastructure. What type of cloud service is this?

Answer 14

Software-as-a-Service (SaaS)

The provider delivers the full software application along with infrastructure and platform management, so the company simply uses the software via the internet without handling maintenance or updates.

Question 15

A company uses a cloud service to access a fully managed accounting software online, with all updates and security handled by the provider. What type of cloud service is this?

Answer 15

Software-as-a-Service (SaaS)

The provider delivers the complete software application along with infrastructure and platform management, so the company only uses the software without managing hardware, updates, or security.

Question 16

Which Cloud Deployment model does the below describe?

Owned and managed by a third-party cloud service provider (CSP), available to multiple organizations.

Answer 16

Public Cloud

Question 17

Which Cloud Deployment model does the below describe?

Dedicated to a single organization, managed by the organization or a CSP, can be on-premises or off-site.

Answer 17

Private Cloud

Question 18

Which Cloud Deployment model does the below describe?

Combination of two or more clouds (private and public) that remain unique but allow data/application portability.

Answer 18

Hybrid Cloud

Question 19

Which Cloud Deployment model does the below describe?

Shared by multiple organizations with a common interest or mission, often managed by a third party.

Answer 19

Community Cloud