A system administrator created a /etc/exports file on server "Alpha" and entered a filesystem to be exported to server "Bravo." However， the remote servers are unable to mount the filesystems. What does the system administrator need to do？（）

• A、Use the exportfs command on server "Alpha" to export the filesystem
• B、Use the showmount command on server "Bravo" to import the filesystem
• C、Use the startsrc command on server "Bravo" to refresh the NFS daemons
• D、Use the chfs command on server "Alpha" to change the filesystem type to NFS