What is a characteristic of an EMC Avamar NDMP backup?
A. After the first Level 0 backup, Level 1 backups are performed and merged to a full backup
B. Every backup is a Level 0 backup
C. Level 1 backups are performed daily and merged to a full backup at the end of the week
D. Each backup is a Level 1 backup and is merged to a full backup only when a restore request is received