Cloud Computing

Question 1

Definition of cloud computing

Answer 1

A model for enabling ubiquitous, convenient, OnDemand network access to a shared pool of configurable computing resources that can be rapidly provisioned and released with minimal management effort or service provider interaction.

Question 2

Examples for cloud computing

Answer 2

Netflix. WhatsApp. Google docs.

Question 3

Three properties of cloud computing

Answer 3

Dynamically scalable. Device independent. Task centric.

Question 4

SaaS, PaaS, IaaS

Answer 4

All involve cloud vendor’s supplying servers on which their customers can store data and run applications. However, there are differences in the level of control provided to the customer, as well as the type of cloud hardware on which the customers cloud applications are run

Question 5

SaaS

Answer 5

Means that they can only run those applications that their cloud supplier has on offer

Question 6

PaaS

Answer 6

Means that they can create their own applications but only in a manner determined by the cloud supplier

Question 7

IaaS

Answer 7

Means they can run any applications they please on cloud hardware of their own choice

Question 8

Benefits of cloud computing

Answer 8

Cost savings. Device independent. Simplicity. Scalability.

Question 9

Cloud computing will become inevitable

Answer 9

Cloud computing will become essential for firms that wish to remain competitive. Cloud computering is more green due to the fact that most internal company data centres when the servers at around 30% capacity in contest the servers in large data cloud centres typically run at 80% capacity or more