What is one way a Snapshot provides a “point-in-time” view of a source LUN?

A.
By writing the new data to the Reserved LUN pool the first time it changes

B.
By limiting the number of Snapshots to eight that can be assigned to a LUN at the same time

C.
By writing the new data to the Reserved LUN pool each time it changes

D.
By copying the original data to the Reserved LUN pool the first time it changes