Mass Storage Raid 1 — Test 1
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Question 1
RAID level 3 supports a lower number of I/Os per second, because _______________
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Question 2
RAID level _____ is also known as block interleaved parity organisation and uses block level striping and keeps a parity block on a separate disk.
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Question 3
A performance problem with _________ is the expense of computing and writing parity.
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Question 4
In RAID level 4, one block read, accesses __________
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Question 5
The overall I/O rate in RAID level 4 is ____________
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Question 6
A write of a block has to access ____________
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Question 7
RAID level 5 is also known as ____________
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Question 8
RAID level ____ spreads parity and data among all N+1 disks rather than storing data in N disks and parity in 1.
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Question 9
The potential overuse of a single parity disk is avoided in RAID level _______
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Question 10
RAID level 0+1 is used because, RAID level 0 provides ______ whereas RAID level 1 provides ________
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