Backup & Recovery

Question 1

3-2-1 Backup Rule

Answer 1

Three copies of data
Two media types
one copy held offline and off site, not on-premise.

Question 2

Backup Frequency

Answer 2

How often we make backups

Question 3

Backup Retention

Answer 3

How long we keep backups.

Question 4

Full Backup

Answer 4

Captures all data everytime.

Question 5

Full with incremental

Answer 5

Starts with a full back up, then saves only changes and new files since last backup.

Question 6

Full with differential

Answer 6

Starts with a full back up, then saves all new or changed files since the last full backup.

Question 7

Synthetic full backup

Answer 7

full backups with lower data transfer requirements.

Question 8

Grandfather-Father-Son (GFS)

Answer 8

1.Son (daily backup) which has 5 labeled tapes.
2. Father (weekly backups) which has 5 labeled tapes. 3. Grandfather (monthly backup) which has 12 labeled tapes.

Question 9

Online Backup

Answer 9

Backup media is always available and connected for backup and restore operations.

Question 10

Offline Backup

Answer 10

Backup media is disconnected and requires manual connection for backups and restore.