Swap Space Management - Operating System Questions & Answers

1.

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

Answer: Option 'C'

more efficient

2.

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

Answer: Option 'D'

swap space storage manager is

3.

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

Answer: Option 'B'

normal file system routines can be

4.

Using swap space significantly _________ system performance.

   A.) increases
   B.) decreases
   C.) maintains
   D.) does not affect

Answer: Option 'B'

decreases

5.

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

Answer: Option 'B'

swap maps

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