Certkiller .com has two retention classes on their compliance plus cluster:
Emails set to 5 years Forecasts set to 2 years The Sales manager asks to have all forecasts kept for only 1 year.
How can Certkiller .com change the retention period for all the data written to the cluster using the “Forecasts” class?

A.
Customer can delete the “Forecasts” retention class

B.
Cannot be done

C.
Customer can change the “Forecasts” retention class to 1 year

D.
All data must be read and written back with a new retention class