COMPUTER FUNDAMENTALS

INPUTOUTPUT AND STORAGE DEVICES

STORAGE DEVICES HARD DISK SSD AND FLASH MEMORY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following refer(s) to (a) nested RAID level(s)? (Select all that apply)
A
RAID 5
B
RAID 1+0
C
RAID 1
D
RAID 10
E
RAID 0
Explanation: 

Detailed explanation-1: -RAID 10, also known as RAID 1+0, is a RAID configuration that combines disk mirroring and disk striping to protect data. It requires a minimum of four disks and stripes data across mirrored pairs. As long as one disk in each mirrored pair is functional, data can be retrieved.

Detailed explanation-2: -RAID 10 (Striping and Mirroring) RAID 10 requires a minimum of four drives, and usable capacity is 50% of available drives. It should be noted, however, that RAID 10 can use more than four drives in multiples of two. Each mirror in RAID 10 is called a “leg” of the array.

Detailed explanation-3: -The most common types are RAID 0 (striping), RAID 1 (mirroring) and its variants, RAID 5 (distributed parity), and RAID 6 (dual parity). Multiple RAID levels can also be combined or nested, for instance RAID 10 (striping of mirrors) or RAID 01 (mirroring stripe sets).

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