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which of the following scenarios?

The spare drives that replace the failed drives are usually hot swappable, meaning they can be replaced on the
server in which of the following scenarios?

PrepAway - Latest Free Exam Questions & Answers

A.
system is up and running

B.
system is quiesced but operational

C.
system is idle but operational

D.
system is up and in single-user-mode

Explanation:
RAID Level 5 stripes the data and the parity information at the block level across all the drives in the set. It is
similar to RAID 3 and 4 except that the parity information is written to the next available drive rather than to a
dedicated drive by using an interleave parity. This enables more flexibility in the implementation and increases
fault tolerance as the parity drive is not a single point of failure, as it is in RAID 3 or 4. The disk reads and writes
are also performed concurrently, thereby increasing performance over levels 3 and 4. The spare drives that
replace the failed drives are usually hot swappable, meaning they can be replaced on the server while the
system is up and running. This is probably the most popular implementation of RAID today.
Incorrect Answers:
B: Hot swappable means that the disk drives can be replaced on the server while the server is system is up and
running. The server does not need to be quiesced.
C: Hot swappable means that the disk drives can be replaced on the server while the server is system is up and
running. The server does not need to be idle.
D: Hot swappable means that the disk drives can be replaced on the server while the server is system is up andrunning. The server does not need to be in single-user-mode.

Krutz, Ronald L. and Russell Dean Vines, The CISSP Prep Guide: Mastering the CISSP and ISSEP Exams,
2nd Edition, Wiley Publishing, Indianapolis, 2004, p. 145


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