disk storage and dependability

mcqspedia.com has 5 Question/Answers about Topic disk storage and dependability

Higher availability cost is reduced to 1/N, where N is the

Higher availability cost is reduced to 1/N, where N is the
  • A. No of disks
  • B. Reliability
  • C. Seek
  • D. Bit rate
  • Correct Answer: Option A

Measuring continuous service accomplishment and equivalently of time to failure from a reference point is called

Measuring continuous service accomplishment and equivalently of time to failure from a reference point is called
  • A. Reference
  • B. Reliability
  • C. Hit time
  • D. Hit rate
  • Correct Answer: Option B

Spread of data in multiple disks, is refered to as

Spread of data in multiple disks, is refered to as
  • A. SCSI
  • B. RAID
  • C. Striping
  • D. Hit rate
  • Correct Answer: Option C

When disks rotate at 5400 RPM-15,000 RPM, then they have average rotational latency is between

When disks rotate at 5400 RPM-15,000 RPM, then they have average rotational latency is between
  • A. 1ms
  • B. 1.2ms
  • C. 1.5ms
  • D. 2.0 ms
  • Correct Answer: Option D

Average time for reading/writing 512-byte sector for disk rotating at 10,000 RPM when its time is 6 ms, its transfer rate is 50 MB/sec, and its controller overhead is 0.2 ms

Average time for reading/writing 512-byte sector for disk rotating at 10,000 RPM when its time is 6 ms, its transfer rate is 50 MB/sec, and its controller overhead is 0.2 ms
  • A. 2ms
  • B. 3.3ms
  • C. 4.7ms
  • D. 5ms
  • Correct Answer: Option C