You are working on a system connected to the network. You attempt to NFS mount a directory. # mount host1:/usr/share/man /usr/share/man Your system displays the message: nfs mount: host1: : RPC: Program not registered nfs mount: retrying: /usr/share/man What is a possible solution to this problem?

A.
Send a HUP signal to rpcbind to local system.

B.
Ensure that nfsd is running on the local system.

C.
Ensure that mountd is running on the NFS server.

D.
Use rpcinfo -p to ensure that the mount command is registered with rpcbind.