Which of the following NIS daemons must run on an AIX machine configured as an NIS master？（）

A.telinit -q
B.refresh -s inetd
C.startsrc -g services
D.refresh -s portmap

A.Set the NSORDER environmental variable of the environment which invokes the process to：NSORDER="local，nis，bind"
B.Set the NSORDER environmental variable of the environment which invokes the process to：  NSORDER="hosts=auth，nis，bind"
C.Edit /etc/netsvc.conf to add a line similar to the following： process /full/path/of/process {hosts=local，nis，dns}
D.Unset NSORDER environment variable of the environment which invokes the process

A.ifconfig
B.no
C.chdev
D.netstat