You are a Storage administrator for Certkiller .com. Certkiller .com wants you to set up storage pools. Which are three rules that apply? (Choose three)

A.
A pool can contain either devices or other storage pools
B.
A storage device can be moved between pools
C.
A pool cannot contain devices across multiple arrays and array types
D.
A pool can contain specific devices or entire arrays
E.
A storage device will be removed from a pool after allocation