Operating System Mcqs

Page No. 90

A single swap space ______ reside in two places.


acan

✓


bcannot

✖


cmust not

✖


dnone of the mentioned

✖


View Answer can

Linux __________ the use of multiple swap spaces.


aallows

✓


bdoes not allow

✖


cmay allow

✖


dnone of the mentioned

✖


View Answer allows

Using swap space significantly _________ system performance.


aincreases

✖


bdecreases

✓


cmaintains

✖


ddoes not affect

✖


View Answer decreases

Virtual memory uses disk space as an extension of _________


asecondary storage

✖


bmain memory

✓


ctertiary storage

✖


dnone of the mentioned

✖


View Answer main memory

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


a1

✓


b2

✖


c3

✖


d4

✖


View Answer 1

RAID level 0+1 is used because, RAID level 0 provides ______ whereas RAID level 1 provides ________


aperformance, redundancy

✖


bperformance, reliability

✓


credundancy, performance

✖


dnone of the mentioned

✖



The potential overuse of a single parity disk is avoided in RAID level _______


a3

✖


b4

✖


c5

✓


d6

✖


View Answer 5

RAID level ____ spreads parity and data among all N+1 disks rather than storing data in N disks and parity in 1.


a3

✖


b4

✖


c5

✓


d6

✖


View Answer 5

RAID level 5 is also known as ____________


abit-interleaved parity organization

✖


bblock-interleaved parity organization

✖


cblock-interleaved distributed parity

✓


dmemory-style ECC organization

✖



A write of a block has to access ____________


athe disk on which the block is stored

✖


bparity disk

✖


ca parity block

✖


dall of the mentioned

✓


View Answer all of the mentioned

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