JAVA/Sun Exam Questions

What is the correct ypcat command to display the list of NIS server?

You are using a client system in your organizations NIS domain and you need to find the list of
servers, which is held in the NIS map ypservers.
You run the command:
ypcat ypservers
and it returns several blank lines.
What is the correct ypcat command to display the list of NIS server?

A.
ypcat -v ypservers

B.
ypcat -V ypservers

C.
ypcat -l ypservers

D.
ypcat -k ypservers