CompTIA A+ 1102 Managing Backups

Question 1

subsequent backups contain data changed since the last full backup

Answer 1

Differential Backup

Question 2

• subsequent backups contain data changed since the last full backup and the last incremental backup
• a restoration requires the last full backup and all of the incremental backups

Answer 2

Incremental Backup

Question 3

• the first full backup copies every file
• subsequent full backups are created from previous backups

Answer 3

Synthetic Backup

Question 4

• no internet link required
• data is immediately available
• generally cheaper than off site backups

Answer 4

On Site Backups

Question 5

• requires a WAN or internet link
• data is available after a disaster
• restoration can be performed from anywhere

Answer 5

Off Site Backups

Question 6

GFS

Answer 6

Grandfather-Father-Son (acronym)

Question 7

• three separate backup rotations
• monthly, weekly, and daily

Answer 7

Grandfather-Father-Son

Question 8

3-2-1 Backup Rule

Answer 8

• 3 copies of data should always be available
• 2 different types of media should be used
• 1 copy of the backup should be off site