You want to make the directory /home/tess available via NFS. Which option do you have to use to
grant read permission for the root user on the NFS mounted file system?

A.
no_root_squash

B.
root_squash

C.
root(rw)

D.
For safety, the NFS protocol does not allow this?

Explanation:
Reference:
http://nfs.sourceforge.net/nfs-howto/troubleshooting.html