Which of the Following Statements Are True Regarding IaaS Computing

Multiple Choice

Which of the following statements are true regarding IaaS computing instances?

A) Creation of new instances can be automated by using scripts or APIs and service interfaces.
B) The root file system of a computing instance is always persistent and can be accessed after the instance is destroyed.
C) Each and every user of an IaaS cloud has exactly one computing instance.
D) Once created, computing instances are seldom deleted in order to ensure the accessibility of the instance's data.
E) Instances may be created when needed and destroyed when they become obsolete.