In RAID level 4, one block read, accesses __________. Options: A . &nbsponly one disk B . &nbspall disks simultaneously C . &nbspall disks sequentially D . &nbspNone of these

In RAID level 4, one block read, accesses _________

Question

In RAID level 4, one block read, accesses __________.

Options:

A . only one disk

B . all disks simultaneously

C . all disks sequentially

D . None of these

Answer: Option A

None.

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Question 1. The overall I/O rate in RAID level 4 is : ....

Question 2. A performance problem with _________ is the expense of computing and writing parity. ....

Question 3. A write of a block has to access : (choose all that apply) ....

Question 4. RAID level 0+1 is used because, RAID level 0 provides ______ whereas RAID level 1 provides ________. ....

Question 5. RAID level ____ spreads parity and data among all N+1 disks rather than storing data in N disks and parity in 1. ....

Question 6. The potential overuse of a single parity disk is avoided in RAID level ____. ....

Question 7. RAID level 5 is also known as : ....

Question 8. The solution to the problem of reliability is the introduction of __________. ....

Question 9. The mean time to failure of a mirrored disk depends on :I) the mean time to failure of individual disks II) the mean t....to failure of individual disks II) the mean time to repair

Question 10. RAID level ________ refers to disk arrays with striping at the level of blocks, but without any redundancy. ....

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