In UNIX, what is a link?

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

With a shared file _____________

A. Actual file exists
B. There are two copies of the file
C. The changes made by one person are not reflected to the other
D. The changes made by one person are reflected to the other

A tree structure ______ the sharing of files and directories.

A. Allows
B. May restrict
C. Restricts
D. None of the mentioned

When two users keep a subdirectory in their own directories, the structure being referred to is _____________

A. Tree structure
B. Cyclic graph directory structure
C. Two level directory structure
D. Acyclic graph directory

In a tree structure, when deleting a directory that is not empty?

A. The contents of the directory are safe
B. The contents of the directory are also deleted
C. Contents of the directory are not deleted
D. None of the mentioned

A relative path name begins at the _____________

A. Leaf
B. Stem
C. Current directory
D. Root

An absolute path name begins at the _____________

A. Leaf
B. Stem
C. Current directory
D. Root

The series of accesses between the open and close operations is a _____________

A. Transaction
B. Procedure
C. Program
D. File session

Domain name system provides _____________

A. Host-name-to-network-address translations for the entire internet
B. Network-address-to-host-name translations for the entire internet
C. Binary to hex translations for the entire internet
D. All of the mentioned

Distributed naming services/Distributed information systems have been devised to _____________

A. Provide information about all the systems
B. Provide unified access to the information needed for remote computing
C. Provide unique names to all systems in a network
D. All of the mentioned