An EMC NetWorker customer is considering using the deduplication feature with Avamar.
What is a requirement when performing backups to a deduplication node?

A.
First backup to a deduplication node must be a Full backup

B.
Deduplication node must be RAIN protected

C.
Deduplication backup metadata must be stored on tape

D.
NetWorker client host can only perform deduplication backups