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A customer has a server running a database that requires a continual

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A customer has a server running a database that requires
a continual updating set for RAID 5 in order to protect the
valuable data. He complains that performance on this
server has degraded continually since it was installed.
What do you say is the likely problem?
A. Immediately after the server was installed, one of the
hard drives failed.
B. RAID 5 performs poorly when a large number of write
operations must occur.
C. RAID 5 performs poorly when a large number of read
operations must occur.
D. RAID 5 inherently performs poorly under all
circumstances, but it is used because of its fault tolerance
features.
Solution
B. RAID 5 performs well when a large number of read
operations but few write operations must occur. If the
database running on the server requires continual write
updates, performance will suffer.

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A customer has a server running a database that requires a continual updating set for RAID 5 in order to protect the valuable data. He complains that performance on this server has degraded continually since it was installed. What do you say is the likely problem? A. Immediately after the server was ...
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