Which file should be edited to manually add a printer?（）

单项选择题How should an administrator change the order in which host name lookup is performed so that it reads the host file before using DNS?（）

A.Edit the /etc/inetd.conf file so that it reads 'local, bind'.
B.Edit the /etc/resolv.conf file so that it reads 'local, bind'.
C.Edit the /etc/netsvc.conf file so that it reads 'local, bind'.
D.Edit the /etc/nslookup.conf file so that it reads 'local, bind'.

单项选择题What is the process for creating an NFS mount between two servers in the same network zone?（）

A.Export the desired filesystem in the /etc/nfs file, run 'exportfs -a', create a mount directory on the desired server, and mount the NFS filesystem.
B.Run 'exportfs -a', export the desired filesystem in the /etc/nfs file, create a mount directory on the desired server, and mount the NFS filesystem.
C.Export the desired filesystem in the /etc/exports file, run 'exportfs -a', create a mount directory on the desired server, and mount the NFS filesystem.
D.Run 'exportfs -u', export the desired filesystem in the /etc/exports file, create a mount directory on the desired server, and mount the NFS filesystem.

单项选择题What should an administrator do to allow the logon of a user to a local system without limitations from the host ‘webserver’?（）

A.configure the /etc/.rhosts with. webserver <user>
B.configure the root'$HOME/.rhost file with.+webserver <user>
C.configure each user's $HOME/.rhosts file with. webserver <user>
D.configure the root'$HOME/.rhost file with.<webserver ip> <user>

单项选择题Which of the following can an operator use to shutdown a system into single-user mode?（）

A.shutdown -d
B.shutdown -s
C.shutdown -m
D.shutdown -Fr -s 1

单项选择题Where is the run date for an ‘at’job located?（）

A.Within the job environment set up
B.Within the user data of the at job
C.In the file name preceeded with a userid
D.In a special file used by the cron daemon