According to ILM principles, why is the policy of holding a year’s worth of data on magnetic disk and then archiving it to optical disk flawed?

A.
It assumes all data has the same value to the business and ages at the same rate.

B.
It does not provide for a mechanism to restore corrupted data less than a year old.

C.
It requires the customer to maintain a lot of data unnecessarily on expensive magnetic disk.

D.
It does not provide for a transactional based disaster recovery process to meet requirements.