Which of the following should be considered when estimating the amount of disk space necessary to store backups? Choose two options.

Which of the following should be considered when estimating the amount of disk space necessary to store backups? Choose two options.
A . Retention period for backups
B . Type of disk (thick or thin)
C . Hypervisor and host version
D . RAID configuration of the Backup Repository
E . Veeam Backup & Replication edition
F . Total size of used data for the VMs being backed up

Answer: A,F