Introduction to Cloud Computing - Evolution of Cloud and Cloud Models

The video tutorial discusses the evolution of IT infrastructure from traditional data centers to virtualization, private cloud, public cloud, and hybrid cloud models. It highlights the high costs of traditional setups and the benefits of virtualization, which led to the development of private clouds. The tutorial explains how private clouds allow for self-service within an organization, while public clouds offer cost efficiency by hosting resources externally. Hybrid clouds combine both approaches, offering flexibility and security.

What was a major financial challenge of traditional data centers in the 70s to 90s?

• High capital expenditure on physical servers

• Lack of skilled IT professionals

• Limited software applications

• Inadequate network infrastructure

How did virtualization change the use of physical hardware?

• By eliminating the need for servers

• By allowing multiple virtual machines on a single hardware

• By reducing the need for software applications

• By increasing the number of physical servers required

What is a key feature of private cloud computing?

• Teams have a self-service portal for managing resources

• Infrastructure is hosted by a third-party provider

• It is accessible to the public

• It requires no physical servers

In a public cloud model, where is the infrastructure hosted?

• On personal computers

• By a cloud provider like Amazon or Google

• Within the organization's premises

• In a private data center

What is a characteristic of a hybrid cloud model?

• All resources are on-premise

• All resources are with a cloud provider

• Combines on-premise and cloud resources

• Only used for gaming applications

Why might a company choose a hybrid cloud model?

• To reduce the cost of cloud services

• To eliminate the need for any on-premise infrastructure

• To keep sensitive data on-premise while using cloud resources for other applications

• To avoid using any cloud services

Which cloud model allows you to pay only for the resources you use?

• Public cloud

• Private cloud

• Virtualization

• Traditional data center