When using NFS, what technology is used to control locking on the NFS mount?
A.
 Oracle VM ships with the IO-EMU drivers, which provide proper locking for files on 
an NFS repository.
B.
 Oracle VM ships with a DM-NFS server, which runs on the master pool server and 
handles distributed file locking for an NFS repository.
C.
 The standard NFS drivers are sufficient to properly lock files in an NFS repository.
D.
 Oracle VM uses the same DLM (distributed lock manager) for NFS as it does for 
OCFS2 partitions.