RAID

Question 1

Raid configurations of the disks are used to provide

A
Fault-tolerance
B
High speed
C
High data density
D
None of the above
Computer-OrganizationRAIDGATE 1999
Question 1 Explanation: 
Raid is a way of storing the same data in different places on multiple hard disks to protect data in the case of drive failure.
So, we can say that RAID is used to provide fault tolerance.
Question 2

Match the following.


A
I-B,II-C,III-D,IV-A
B
I-C,II-B,III-D,IV-A
C
I-A,II-D,III-B,IV-C
D
I-B,II-A,III-D,IV-C
Computer-OrganizationRAIDCIL Part - B
Question 2 Explanation: 
The standard RAID levels comprise a basic set of RAID (redundant array of independent disks) configurations that employ the techniques of striping, mirroring, or parity to create large reliable data stores from multiple general-purpose computer hard disk drives (HDDs). The most common types are RAID 0 (striping), RAID 1 (mirroring) and its variants, RAID 5 (distributed parity), and RAID 6 (dual parity).
RAID levels and their associated data formats are standardized by the Storage Networking Industry Association (SNIA) in the Common RAID Disk Drive Format (DDF) standard
There are 2 questions to complete.

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