Which of the following statements are true regarding IaaS computing instances? (Choose TWO correct answers.)

Which of the following statements are true regarding IaaS computing instances? (Choose TWO correct answers.)
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.

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Answer: A,E