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

单项选择题AfterinstallinganetworkwithoneSambaserverandseveralclients，usersarecomplainingthattheyreceiveanUnabletobrowsethenetworkerrorwhentryingtovisitapublicshare.Whatisthemostlikelycauseofthis？（）

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.

单项选择题WhichofthefollowingcommandswillmountaremoteSambasharewhentheuserisWinuserandthepasswordissomepass？（）

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

多项选择题TheresponsetimesonaSambaserveraregraduallyincreasing，soitisdecidedtoexperimentwithvarioussocketoptionsinsmb.conf.Whichofthefollowingarevalidvaluesforthisparameter？（）

A. TCP_NODELAY  
B. SO_NOBROADCAST  
C. SO_TXBUF  
D. IPTOS_LOWDELAY  
E. SO_KEEPALIVE

单项选择题HowisVFS（VirtualFileSystem）supportenabledinSamba？（）

A. Samba does not support VFS.
B. Compile and load vfs.ko kernel module.
C. Compile and load vfs.ko and its dependent smbfs kernel modules.
D. Compile and load pvfs.ko kernel module.
E. Compile Samba with VFS module support.

多项选择题WhichofthefollowingshouldbebackedupbeforeaSambaversionupgrade？（）

A. Libraries
B. TDB files
C. Configuration files
D. Binaries
E. winbindd_privileged directory