A+ Backup Rotation Schemes and Storage Types

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2. Which RAID configuration provides the best balance of performance, redundancy, and storage efficiency for most enterprise environments?

RAID 0

RAID 1

RAID 5

RAID 6

3. True or False: Incremental backups require less storage space than differential backups for the same data set over time.

True

False

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5. Which storage medium is most susceptible to bit rot and degradation over time?

Solid-state drive

Magnetic tape

Optical media

Hard disk drive

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7. True or False: A differential backup can only be restored using the last full backup and the most recent differential backup.

True

False

8. Which backup method captures only the changes made since the last full or incremental backup?

Snapshot

Differential

Incremental

Synthetic

9. In the 3-2-1 backup rule, how many copies of data should be maintained?

2 copies

3 copies

4 copies

5 copies

10. What is the minimum number of disks required to implement RAID 5?

2 disks

3 disks

4 disks

5 disks

11. Which backup rotation scheme retains daily backups for a week, weekly backups for a month, and monthly backups for a year?

Grandfather-Father-Son (GFS)

Full-Incremental-Differential

Round-Robin rotation

Tower of Hanoi

12. Which storage type offers the fastest access speed for backup and restore operations?

Magnetic tape

Solid-state drive (SSD)

Hard disk drive (HDD)

Optical media

13. True or False: RAID 0 provides redundancy and fault tolerance.

True

False

14. Which backup type requires the most storage space but offers the fastest recovery time?

Incremental backup

Differential backup

Full backup

Snapshot backup

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16. What is the storage overhead of RAID 1?

25%

50%

67%

100%

17. Which RAID level uses striping with distributed parity and can tolerate two simultaneous disk failures?

RAID 5

RAID 6

RAID 10

RAID 0

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19. What is the primary advantage of differential backups over incremental backups?

Faster backup speed

Requires fewer tapes for restoration

Uses less storage space

Eliminates the need for full backups

20. In the Tower of Hanoi backup scheme, how many backup sets are typically used?

3 sets

5 sets

7 sets

10 sets

A+ Backup Rotation Schemes and Storage Types Quiz

1. Magnetic tape is preferred for long-term archival storage because it offers ____ shelf life and low cost per gigabyte.

2.

What first name or nickname would you like us to use?

2. Which RAID configuration provides the best balance of performance, redundancy, and storage efficiency for most enterprise environments?

3. True or False: Incremental backups require less storage space than differential backups for the same data set over time.

4. In a GFS rotation scheme, the 'Son' backup typically represents a ____ backup.

5. Which storage medium is most susceptible to bit rot and degradation over time?

6. RAID 10 combines ____ and striping to provide both redundancy and performance.

7. True or False: A differential backup can only be restored using the last full backup and the most recent differential backup.

8. Which backup method captures only the changes made since the last full or incremental backup?

9. In the 3-2-1 backup rule, how many copies of data should be maintained?

10. What is the minimum number of disks required to implement RAID 5?

11. Which backup rotation scheme retains daily backups for a week, weekly backups for a month, and monthly backups for a year?

12. Which storage type offers the fastest access speed for backup and restore operations?

13. True or False: RAID 0 provides redundancy and fault tolerance.

14. Which backup type requires the most storage space but offers the fastest recovery time?

15. A full backup captures all data, while an ____ backup captures only changes since the last backup of any kind.

16. What is the storage overhead of RAID 1?

17. Which RAID level uses striping with distributed parity and can tolerate two simultaneous disk failures?

18. RAID 1 provides data protection through ____.

19. What is the primary advantage of differential backups over incremental backups?

20. In the Tower of Hanoi backup scheme, how many backup sets are typically used?