RAID (CLOUD)

RAID is

• Redundant Array of Indefinite Disks

• 
  Redundant Array of Independent Disks

• Redundant Array of Inexpensive Device

• 
  Redundant Array of Independent Data

RAID provides _________________ of data storage

• Reliability

• Both Reliability and Performance

• 
  Performance

• none of the above

Which one is not a RAID technique?

• 
  Stripping

• Segmentation

• Mirroring

• Parity

Data is distributed across multiple disk and used in parallel called

• 
  Mirroring

• 
  Parity

• Stripping

• 
  None of the above

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______provide data redundancy by error checking and data recovery

• 
  Mirroring

• 
  Scanning

• 
  Parity

• 
  Stripping

RAID 0

• 
  Mirror

• 
  Striping

• 
  Spanning

• 
  Duplexing

RAID 1

• Mirror

• Spanning

• Striping

• Parity

RAID 5

• Striping with parity

• Mirror with parity

• 
  Spanning with parity

• Parity only

In order to implement a RAID 5 array you need a minimum of how many drives?

• One

• 
  Three

• 
  Two

• 
  Five

RAID 1 + 0

• 
  Mirror of Striping

• 
  Spanning of mirror

• 
  Duplex

• 
  Striping