Which node type will use only NetBIOS broadcast requests using UDP broadcast？（）

A. The user entered the wrong username and/or password.
B. The nmbd process is not running on the Samba server.
C. The user hasn’t mapped the share to a local drive letter yet.
D. The Samba server is not configured as a Domain Master Browser.

A. mount -t smbfs -o username=Winuser，password=somepass //SERVER/share /media/sambashare
B. mount -t smbfs -o username=Winuser，password=somepass \\SERVER\share /media/sambashare
C. mount -t smbfs -o Winuser%somepass //SERVER/share /media/sambashare
D. mount -t smbfs -o username=Winuser%somepass //SERVER/share /media/sambashare