RAID Structure - 2 - Operating System Questions & Answers

1.

A single parity bit can be used for :

   A.) detection
   B.) multiple error corrections
   C.) few error corrections
   D.) all of the mentioned

Answer: Option 'A'

detection

2.

If the mean time to failure of a single disk is 100,000 hours, then the mean time to failure of some disk in an array of 100 disks will be :

   A.) 100 hours
   B.) 10 days
   C.) 10 hours
   D.) 1000 hours

Answer: Option 'D'

1000 hours

3.

RAID level ______ is also known as memory style error correcting code(ECC) organization.

   A.) 1
   B.) 2
   C.) 3
   D.) 4

Answer: Option 'B'

2

4.

RAID level _______ refers to disk mirroring.

   A.) 0
   B.) 1
   C.) 2
   D.) 3

Answer: Option 'B'

1

5.

RAID level ________ refers to disk arrays with striping at the level of blocks, but without any redundancy.

   A.) 0
   B.) 1
   C.) 2
   D.) 3

Answer: Option 'A'

0

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