An Administrator Needs to Back Up Files from a Server

Multiple Choice

An administrator needs to back up files from a server to the cloud. The administrator must select the most efficient type of backup technology that will update file changes the fastest and utilize the least amount of bandwidth. Which of the following backup technologies should the administrator select?

A) File-level backups
B) Block-level backups
C) Snapshot-level backups
D) Folder-level backups