Backups
o Show if the file has changed / modified
how often backup
o 3-2-1 rule
—3 copies of data on 2 different media with 1 copy off-site
—Grandfather-father-son
Backup Types
Full
all files backed up
o Every time
o Very long
o Quick restore = just last full backup
Backup Types
Incremental
only files that have changed since last backup
o Clears archive
o Have to restore each day
o Quicker
Backup Types
Synthetic
Combo backup takes full & incremental / differential to make another full backup
o Restore last full & last differential backup