单项选择题

What is the proper way to ensure that updates to the /etc/aliases file are seen by sendmail？（）

A.Refresh the named daemon
B.Run the alias command
C.Refresh the snmpd daemon
D.Run the sendmail -bi command

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单项选择题

What is the proper way to refresh sendmail？（）

A.sendmail -bt
B.sendmail -ba
C.refresh -s sendmail
D.startsrc -s sendmail

单项选择题

A client cannot mount a filesystem from an NFS server. Which of the following options is the most probable cause for the mount failure？（）

A.Server is not running rpc.lockd
B.Client is not running the rpc.statd
C.Filesystem not exported by the server
D.Client nfsd daemons are all inoperative

单项选择题

On a system wide basis， which of the following procedures is best to make NIS name resolution take precedence over DNS？（）

A.Remove the /etc/resolv.conf file
B.Unset the NSORDER environment variable
C.Add the following line to /etc/netsvc.conf： hosts=nis，bind，local
D.In a NIS and DNS environment， NIS takes precedence so there is nothing to change