Which pieces of information are necessary to determine the capacity requirements of an EMC Data Domain system?

A.
Full backup size, backup frequency, anticipated deduplication ratios, and retention policy

B.
Backup window duration, backup frequency, retention policy, and number of backup tapes created weekly

C.
Full backup size, recovery time objective, anticipated deduplication ratios, and retention policy

D.
Backup window duration, recovery time objective, anticipated deduplication ratios, and frequency of data restores