CompTIA A+ 220-902 Question J-54

A technician is concerned that archiving computers over the network is taking too long to finish each night. A vendor suggests incremental backups. Incremental backups would accomplish which of the following?

A. Limited number of computers would be fully archived each night
B. Backup an increasing number of files until the backup window closes
C. Backup only changed items on each computer
D. Limited number of directories on each computer each night

Correct Answer: C