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MCQ

Q.

For large files, when the index itself becomes too large to be kept in memory?

A

index is called

B

an index is created for the index file

C

secondary index files are created

D

all of the mentioned

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MCQ

1.

What will happen in the single level directory?

A

All files are contained in different directories all at the same level

B

All files are contained in the same directory

C

Depends on the operating system

D

None of the mentioned

Discussion

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2.

Protection is only provided at the _____ level.

A

lower

B

central

C

higher

D

none of the mentioned

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3.

Which one of the following explains the sequential file access method?

A

random access according to the given byte number

B

read bytes one at a time, in order

C

read/write sequentially by record

D

read/write randomly by record

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4.

As disks have relatively low transfer rates and relatively high latency rates, disk schedulers must reduce latency times to ___________

A

ensure high bandwidth

B

ensure low bandwidth

C

make sure data is transferred

D

reduce data transfer speeds

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5.

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

A

3

B

4

C

5

D

all of the mentioned

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