designing and evaluating an io system

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For disks with more than 200 cylinders, seek distance is:

For disks with more than 200 cylinders, seek distance is:
  • A. Seek time(Distance) = a
  • B. Seek time(Distance) = a
  • C. Seek time(Distance) = a /( Distance
  • D. Seek time(Distance) = a
  • Correct Answer: Option B

Bits or blocks in a file going bad over time, is a

Bits or blocks in a file going bad over time, is a
  • A. Interarrival time
  • B. Logical volumes
  • C. Bit rot
  • D. All above
  • Correct Answer: Option C

RAID devotes all of its resources to performing reconstruction, is a

RAID devotes all of its resources to performing reconstruction, is a
  • A. Online reconstruction
  • B. Offline reconstruction
  • C. Offline deconstruction
  • D. Online deconstruction
  • Correct Answer: Option B

RAID continues to service workload requests while performing reconstruction, is a

RAID continues to service workload requests while performing reconstruction, is a
  • A. Online reconstruction
  • B. Offline reconstruction
  • C. Online deconstruction
  • D. Offline deconstruction
  • Correct Answer: Option A

Later added suppport known as RAID 6 is also called a

Later added suppport known as RAID 6 is also called a
  • A. Row-diagonal parity
  • B. RAID-DP
  • C. RADI 7
  • D. Both a and b
  • Correct Answer: Option D