Relational Database Management System Mcqs

Page No. 29

RAID level 2 refers to?


aDisk arrays with striping at the level of blocks

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bDisk mirroring with block striping

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cMemory style error correcting code

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d Block interleaved distributed parity

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RAID level 0 refers to?


a Disk arrays with striping at the level of blocks

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bDisk mirroring with block striping

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c Memory style error correcting code

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d Block interleaved distributed parity

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How many levels of RAID exist?


a 5

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b6

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c7

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d 8

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View Answer 7

Data striping by splitting bits across multiple disks is called as _______


aRAID striping

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bArray striping

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cBit level striping

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dBlock level striping

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View Answer Bit level striping

State true or false: Using RAID increases the mean time to failure


aTrue

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b False

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ceither true of false

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dnone of these

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View Answer True

The process of duplicating every disk is called _______


aIncremention

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bArraying

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cMirroring

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dReflecting

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View Answer Mirroring

What is the full form of RAID?


a Redundant Array of Independent Disks

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bReliable Array of Independent Disks

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c Redundant Asset Increment Data

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d Reliable Aggravation of Immaculate Data

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State true or false: It is easier to delete a record from the fixed length records


aTrue

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bFalse

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ceither true of false

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dnone of these

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View Answer False

. The header in the slotted page structure does not contain which of the following data?


aThe number of record entries in the header

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bThe end of free space in a block

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c The size of all the records put together in the header

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dAn array containing location and size of each record

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The slotted page structure is used for _________


aOrganizing records in a block

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bOrganizing blocks in a database

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c Deleting records from a block

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dNone of the mentioned

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