Virtualization & Cloud Computing

Question 1

A type of cloud infrastructure available solely for a single organization is known as:

• Public cloud
• Community cloud
• Hybrid cloud
• Private cloud

Answer 1

• Private Cloud

A private cloud is a cloud infrastructure for a single organization

Question 2

Which of the following answers refers to a cloud computing delivery model in which cloud infrastructure is provisioned for open use by the general public?

• Hybrid cloud
• Private cloud
• Community cloud
• Public cloud

Answer 2

• Public cloud

Public cloud is a cloud computing delivery model in which infrastructure is provisioned for open use by the general public.

Question 3

A cloud delivery model consisting of two or more interlinked cloud infrastructures (private, community, or public) is referred to as a hybrid cloud.

True or false?

Answer 3

True

A hybrid cloud is a delivery model consisting of two or more interlinked cloud infrastructures (private, community, or public).

Question 4

Which cloud infrastructure type would be the most suitable for a group of organizations sharing common interests?

• Public cloud
• Community cloud
• Private cloud
• Hybrid cloud

Answer 4

• Community cloud

Question 5

Which of the answers listed below refers to a cloud computing service model in which clients, instead of buying all the hardware and software, purchase computing resources as an outsourced service from suppliers who own and maintain all the necessary equipment and software?

• SaaS
• DaaS
• PaaS
• IaaS

Answer 5

-IaaS

IaaS, or Infrastructure as a Service, is a cloud computing model that provides on-demand access to computing resources such as servers, storage, networking, and virtualization.

Question 6

A cloud computing service model offering remote access to applications based on monthly or annual subscription fee is called:

• PaaS
• SaaS
• IaaS
• DaaS

Answer 6

• Software as a service (SaaS)

SAAS allows users to connect to and use cloud-based apps over the Internet. Common examples are email, calendaring, and office tools (such as Microsoft Office 365).

Question 7

Which cloud service model would provide the best solution for a web developer intending to create a web app?

• DaaS
• SaaS
• PaaS
• IaaS

Answer 7

• PaaS: Platform as a Service

Platform as a service. Platform as a service (PaaS) is a complete development and deployment environment in the cloud, with resources that enable you to deliver everything from simple cloud-based apps to sophisticated, cloud-enabled enterprise applications.

Question 8

Which of the terms listed below refers to a cloud computing feature that allows for automatic allocation of computing resources in proportion with the demand?

• Rapid elasticity
• Measured service
• On-demand self-service
• Resource pooling

Answer 8

• Rapid elasticity

Rapid elasticity in cloud computing refers to the cloud’s capability to scale quickly to meet demand. Consumers benefit from rapid elasticity because they can expand or reduce their resources how and when they would like.