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Question 370 - SK0-005 discussion

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A company needs a media server set up that provides the highest availability with a minimum requirement of at least 10TB. The company purchased five HDDs, each with a 4TB

capacity. Which of the options would provide the highest fault tolerance and meet the requirements?

A.
RAID 0
Answers
A.
RAID 0
B.
RAID 5
Answers
B.
RAID 5
C.
RAID 6
Answers
C.
RAID 6
D.
RAID 10
Answers
D.
RAID 10
Suggested answer: C

Explanation:

RAID 6 is a RAID level that uses disk striping with two parity blocks distributed across all member disks. It can tolerate the failure of up to two disks without losing any data. RAID 6 can provide a minimum of 10TB of usable storage space with five 4TB disks, as the formula for calculating the RAID 6 capacity is (n-2) x Smin, where n is the number of disks and Smin is the smallest disk size. In this case, the RAID 6 capacity is (5-2) x 4TB = 12TB.

References:

CompTIA Server+ Certification Exam Objectives1, page 8

RAID Levels and Types Explained: Advantages and Disadvantages2

RAID Levels & Fault Tolerance3

asked 02/10/2024
Andres Mauricio Rodriguez
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