File System Interface Directory Structure - 2 - Operating System Questions & Answers

21.

When a cycle exists, the reference count maybe non zero, even when it is no longer possible to refer to a directory or file, due to _______

   A.) the possibility of self referencing
   B.) the possibility of one hidden reference
   C.) the possibility of two hidden references
   D.) none of the mentioned

Answer: Option 'A'

​the possibility of self referencing

22.

When a cycle exists, the reference count maybe non zero, even when it is no longer possible to refer to a directory or file, due to _______

   A.) the possibility of self referencing
   B.) the possibility of one hidden reference
   C.) the possibility of two hidden references
   D.) none of the mentioned

Answer: Option 'A'

​the possibility of self referencing

23.

When keeping a list of all the links/references to a file, and the list is empty, implies that :

   A.) the file has no copies
   B.) the file is deleted
   C.) the file is hidden
   D.) none of the mentioned

Answer: Option 'B'

​the file is deleted

24.

When keeping a list of all the links/references to a file, and the list is empty, implies that :

   A.) the file has no copies
   B.) the file is deleted
   C.) the file is hidden
   D.) none of the mentioned

Answer: Option 'B'

​the file is deleted

25.

The deletion of a link, ________ the original file.

   A.) deletes
   B.) affects
   C.) does not affect
   D.) none of the mentioned

Answer: Option 'C'

​does not affect

26.

The deletion of a link, ________ the original file.

   A.) deletes
   B.) affects
   C.) does not affect
   D.) none of the mentioned

Answer: Option 'C'

​does not affect

27.

The operating system _______ the links when traversing directory trees, to preserve the acyclic structure of the system.

   A.) considers
   B.) ignores
   C.) deletes
   D.) none of the mentioned

Answer: Option 'B'

ignores

28.

The operating system _______ the links when traversing directory trees, to preserve the acyclic structure of the system.

   A.) considers
   B.) ignores
   C.) deletes
   D.) none of the mentioned

Answer: Option 'B'

ignores

29.

In UNIX, a link is :

   A.) a directory entry
   B.) a pointer to another file or subdirectory
   C.) implemented as an absolute or relative path name
   D.) all of the mentioned

Answer: Option 'D'

all of the mentioned

30.

In UNIX, a link is :

   A.) a directory entry
   B.) a pointer to another file or subdirectory
   C.) implemented as an absolute or relative path name
   D.) all of the mentioned

Answer: Option 'D'

all of the mentioned

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