RAID level ______ is also known as memory style error correcting code(ECC) organization.

A. 1
B. 2
C. 3
D. 4

A single parity bit can be used for ____________

A. Detection
B. Multiple error corrections
C. Few error corrections
D. All of the mentioned

RAID level ______ is also known as bit interleaved parity organisation.

A. 0
B. 1
C. 2
D. 3

RAID level _______ refers to disk mirroring.

A. 0
B. 1
C. 2
D. 3

The mean time to failure of a mirrored disk depends on ____________ I) the mean time to failure of individual disks II) the mean time to repair

A. Only i
B. Only ii
C. Both i and ii
D. Neither i nor ii

The technique of duplicating every disk is known as ____________

A. Mirroring
B. Shadowing
C. Redundancy
D. All of the mentioned

The solution to the problem of reliability is the introduction of __________

A. Aging
B. Scheduling
C. Redundancy
D. Disks

If the mean time to failure of a single disk is 100,000 hours, then the mean time to failure of some disk in an array of 100 disks will be ____________

A. 100 hours
B. 10 days
C. 10 hours
D. 1000 hours

RAID stands for ____________

A. Redundant allocation of inexpensive disks
B. Redundant array of important disks
C. Redundant allocation of independent disks
D. Redundant array of independent disks

A large number of disks in a system improves the rate at which data can be read or written if ____________

A. The disks are operated on sequentially
B. The disks are operated on selectively
C. The disks are operated in parallel
D. All of the mentioned