Objective 4.0: Virtualization and Cloud Computing

Question 2

What is virtualization in the context of IT?

Answer 2

Virtualization is the creation of virtual versions of physical hardware, such as servers or storage devices, allowing multiple operating systems to run on a single physical machine.

Question 3

Define IaaS in cloud computing.

Answer 3

IaaS (Infrastructure as a Service) provides virtualized computing resources over the internet, such as virtual machines and storage.

Question 4

What is a hypervisor, and what are the two types?

Answer 4

A hypervisor is software that creates and manages virtual machines. The two types are Type 1 (bare-metal) and Type 2 (hosted).

Question 5

What is the difference between public and private cloud?

Answer 5

A public cloud is a shared cloud environment available to multiple customers, while a private cloud is a dedicated environment for a single organization.

Question 6

What are the benefits of using cloud computing?

Answer 6

Scalability, cost-effectiveness, accessibility, disaster recovery, and collaboration.