Explain why the cloud is described as elastic and pooled. What ...

[Diane]

Explain why the cloud is described as elastic and pooled.
 
  What will be an ideal response?

Question 2

A graph of instances that are compatible with a given class diagram is a(n):
 
  A) object diagram.
  B) sequence diagram.
  C) use-case diagram.
  D) collaboration diagram.
  E) component diagram.

[stillxalice]

Answer to Question 1

The term elastic means that the amount of resources leased can be increased or decreased dynamically, programmatically, in a short span of time and that organizations pay for just the resources that they use. The resources are pooled, because many different organizations use the same physical hardware; they share that hardware through virtualization. Cloud vendors dynamically allocate virtual machines to physical hardware as customer needs increase or decrease.

Answer to Question 2

A
Explanation: A) The names of the object and its class are underlined and shown in the top compartment using the following syntax: objectname:classname. The object's attributes and their values are shown in the second compartment.
CL