Which Statement About the Set User ID Bit on Executable

Multiple Choice

Which statement about the Set User ID bit on executable files is correct?

A) The SUID bit has no security implications.
B) The SUID bit on executables has no effect; it is only relevant when set on directories.
C) The SUID bit makes it more difficult to exploit any potential vulnerabilities in the program.
D) The SUID should only be set when really needed and only on applications that are well tested.