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

Reference