Storage Management Questions

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241.

Linux __________ the use of multiple swap spaces.

A

allows

B

does not allow

C

may allow

D

none of the mentioned

Correct Answer: A

Putting these swap spaces on separate disks reduces the load places on the I/O system.

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242.

A single swap space ______ reside in two places.

A

can

B

cannot

C

must not

D

none of the mentioned

Correct Answer: A

None.

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243.

If the swap space is simply a large file, within the file system, ____________ used to create it, name it and allocate its space.

A

special routines must be

B

normal file system routines can be

C

normal file system routines cannot be

D

swap space storage manager is

Correct Answer: B

None.

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244.

For swap space created in a separate disk partition where no file system or directory structure is placed, _____________ used to allocate and deallocate the blocks.

A

special routines must be

B

normal file system routines can be

C

normal file system routines cannot be

D

swap space storage manager is

Correct Answer: D

None.

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245.

When a fixed amount of swap space is created during disk partitioning, more swap space can be added only by? I) repartitioning of the disk II) adding another swap space elsewhere

A

only I

B

only II

C

both I and II

D

neither I nor II

Correct Answer: C

None.

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246.

In UNIX, two per process ________ are used by the kernel to track swap space use.

A

process tables

B

swap maps

C

memory maps

D

partition maps

Correct Answer: B

None.

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247.

It is __________ to reread a page from the file system than to write it to swap space and then to reread it from there.

A

useless

B

less efficient

C

more efficient

D

none of the mentioned

Correct Answer: C

None.

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248.

RAID level 3 supports a lower number of I/Os per second, because _______________

A

Every disk has to participate in every I/O request

B

Only one disk participates per I/O request

C

I/O cycle consumes a lot of CPU time

D

All of the mentioned

Correct Answer: A

None.

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249.

RAID level _____ is also known as block interleaved parity organisation and uses block level striping and keeps a parity block on a separate disk.

A

1

B

2

C

3

D

4

Correct Answer: D

None.

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250.

A performance problem with _________ is the expense of computing and writing parity.

A

non-parity based RAID levels

B

parity based RAID levels

C

all RAID levels

D

none of the mentioned

Correct Answer: B

None.

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