Relational Database Management System Mcqs

Page No. 28

The time for repositioning the arm is called as _________


aSeek time


bAccess time


cReposition time


d Latency time


View Answer Seek time

The time from when a read or write request is issued to when the actual data transfer begins is called _______


aSeek time


bAccess time


cAverage latency time


dData transfer rate


View Answer Access time

When a large number of disks are connected by a high speed network to a number of server computers, it is known as ________ architecture


aStorage area network


b High performance network


cMultiple disk network


dLocal area network


View Answer Storage area network

Which of the following is a part of the Magnetic disk assembly?


aSpindle


bRead write head


cArm


dAll of the mentioned


View Answer All of the mentioned

DVD is a form of ______ storage


aMagnetic storage


bUSB storage


cTape storage


dOptical storage


View Answer Optical storage

What is the full form of USB?


aUniversal Serial Binary


bUniversal Storage Base


cUniversal Serial Bus


dUninterrupted Service Bus


View Answer Universal Serial Bus

What is the difference between flash memory and main memory?


aData is retained in flash memory


bData access is faster in flash memory


cData storage is very large in flash memory


d None of the mentioned



Statement 1: Cache storage is very fast Statement 2: Cache storage is very cheap


aBoth the statements are true


bStatement 1 is true but statement 2 is false


c Statement 1 is false but statement 2 is true


d Both the statements are false



. Which of the factors need not be taken into consideration while choosing a RAID level?


aMonetary cost


bI/O requirements


cPerformance when the disk has failed


dNone of the mentioned


View Answer None of the mentioned

RAID level 5 refers to?


a Disk arrays with striping at the level of blocks


bDisk mirroring with block striping


cMemory style error correcting code


dBlock interleaved distributed parity



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