what is cloud

Question 1

cloud

Answer 1

A “cloud” is a computer system that provides users with shared access to on-demand computing resources via the internet

Question 2

Is Cloud Is Useful…?

Answer 2

Resource Utilization (practical effective and use of)

Scalability and Elasticity (can be changed & flexibile in size)

Reproducibility by way of Programmability

Reliability through redundancy

Question 3

Cloud computing might be defined as

Answer 3

a brand new kind of computing where dynamically scalable and often virtualized resources are shown as services on the Internet.

Question 4

Cloud Computing is a general term

Answer 4

used to describe a new class of network based computing that takes place over the Internet

Question 5

Top options that come with the cloud computing technology include

Answer 5

cost savings, high availability, and easy scalability.

Question 6

There are three separate types of cloud computing

Answer 6

(a) public cloud (b) private cloud and (c) hybrid cloud. Cloud computing may be the IT foundation for cloud

Question 7

Cloud vs. HPC

Answer 7

Cloud
Availability 
Multi-level API Interactions
On-demand/Interactive Use
Using Commodity Components.

HPC (S/W & H/W)
Utilization
Capability or Capacity Science 
Checkpoint/Restart I/O
Memory/Network Bandwidth & Latency

Question 8

Service Models

Answer 8

Infrastructure-as-a-service (IaaS)
Virtual servers, networks, firewalls, etc. (AWS, Azure)
Platform-as-a-service (PaaS)
Deploy application without managing virtual servers (Google App Engine, Heroku)
Software-as-a-service (SaaS)
Ready to use software applications (Gmail, Office365)
Functions-as-a-service (FaaS)
Run on demand without knowing the infrastructure (hook.io, AWS Lambda)
Caas (virtualizations)