Q. WORM stands for :

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Q. The phase change disk is coated with a material that can freeze into either _______ or ________ state.

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Q. Optical disks ______ magnetism.

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Q. The magneto-optic head flies ___________ the disk surface than a magnetic disk head does.

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Q. A magneto-optic disk is :

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Q. Floppy disks are examples of :

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Q. Tertiary storage is built with :

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Q. RAID level 3 does not have _________ as in RAID level 1.

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

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Q. A single parity bit can be used for :

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

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Q. RAID level _______ refers to disk mirroring.

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Q. RAID level ________ refers to disk arrays with striping at the level of blocks, but without any redundancy.

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Q. 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

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Q. The technique of duplicating every disk is known as :

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

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Q. 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 :

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Q. RAID stands for :

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Q. A large number of disks in a system improves the rate at which data can be read or written :

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Q. If a disk fails in RAID level ___ rebuilding lost data is easiest.

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