Cloud CONCEPTS

Question 1

What is cloud computing?

Answer 1

Cloud computing is the delivery of computing services over the internet (the cloud), including servers, storage, databases, networking, software, and analytics.

Question 2

Name the three main cloud service models.

Answer 2

1. Infrastructure as a Service (IaaS)
2. Platform as a Service (PaaS)
3. Software as a Service (SaaS)

Question 3

What is IaaS?

Answer 3

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

Question 4

What is PaaS?

Answer 4

PaaS (Platform as a Service) provides a platform for application development, including infrastructure, but without the need to manage the underlying infrastructure.

Question 5

What is SaaS?

Answer 5

SaaS (Software as a Service) delivers software applications over the internet, with the provider managing the underlying infrastructure and software.

Question 6

What are the benefits of cloud computing?

Answer 6

Benefits include: high availability, scalability, elasticity, cost-efficiency, disaster recovery, and reduced management overhead.

Question 7

What is the shared responsibility model in cloud computing?

Answer 7

In the shared responsibility model, the cloud provider manages the infrastructure, while the customer manages the data, identity, and application security.

Question 8

What is scalability in cloud computing?

Answer 8

Scalability allows resources to increase or decrease according to demand.

Question 9

What is elasticity in cloud computing?

Answer 9

Elasticity automatically adds or removes resources to accommodate changing workloads.

Question 10

What is a hybrid cloud?

Answer 10

A hybrid cloud combines public and private clouds to allow data and applications to be shared between them.