Relational Database Management System Mcqs

Page No. 29

RAID level 2 refers to?


aDisk arrays with striping at the level of blocks


bDisk mirroring with block striping


cMemory style error correcting code


d Block interleaved distributed parity



RAID level 0 refers to?


a Disk arrays with striping at the level of blocks


bDisk mirroring with block striping


c Memory style error correcting code


d Block interleaved distributed parity



How many levels of RAID exist?


a 5


b6


c7


d 8


View Answer 7

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


aRAID striping


bArray striping


cBit level striping


dBlock level striping


View Answer Bit level striping

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


aTrue


b False


ceither true of false


dnone of these


View Answer True

The process of duplicating every disk is called _______


aIncremention


bArraying


cMirroring


dReflecting


View Answer Mirroring

What is the full form of RAID?


a Redundant Array of Independent Disks


bReliable Array of Independent Disks


c Redundant Asset Increment Data


d Reliable Aggravation of Immaculate Data



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


aTrue


bFalse


ceither true of false


dnone of these


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


bThe end of free space in a block


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


dAn array containing location and size of each record



The slotted page structure is used for _________


aOrganizing records in a block


bOrganizing blocks in a database


c Deleting records from a block


dNone of the mentioned



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