The order of name resolution can be controlled. The default is：  
1.BIND  
2.NIS  
3./etc/hosts  
To change the order of the above name resolutions， which of the following should be used？（）

单项选择题WhichofthefollowingNISdaemonsmustrunonanAIXmachineconfiguredasanNISmaster？（）

A.ypbind
B.ypserv
C.ypwhich
D.yppasswdd

单项选择题Asystemadministratorhasaddedanewportentryin etc servicesforanewapplicationtobetested.Whichofthefollowingcommandsshouldbeusedtoactivatethisport？（）

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

单项选择题OnAIXsystems，whereDNSresolutiontakesprecedenceoverNIS，aparticularprocessneedstoresolvenamesusing etc hostsfirst.Whichofthefollowingprocessesisthebestwaytoaccomplishthiswithoutaffectingtherestofthesystem’snameresolution？（）

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

单项选择题Whichcommandisusedtoturnipforwardingonoroff？（）

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

单项选择题Userscomplaintheycannotcommunicatewithaserver.ThesystemadministratorsuspectstheremaybeaproblemwiththeEthernetadapterorwiththewayitisconfigured.Whichcommandcanberuntoverifytheadapterisconfiguredcorrectly？（）

A.netstat -in
B.ifconfig -a
C.arp -a
D.cfgmgr