A company is seeking a new backup solution for its virtualized file servers that fits the following characteristics:
– The files stored on the servers are extremely large.
– Existing files receive multiple small changes per day.
– New files are only created once per month.
– All backups are being sent to a cloud repository.
Which of the following would BEST minimize backup size?
A . Local snapshots
B . Differential backups
C . File-based replication
D . Change block tracking