单项选择题

A system administrator wants to configure a system so that all new users will be put into the database group by default. How would this be accomplished？（）

A.remove all other groups from the system
B.run the command mkuser -default "GROUP=database"
C.change the default group in /usr/lib/security/mkuser.default
D.edit /etc/security/group to move all users to the database stanza

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单项选择题

A system administrator would like to modify the system default user characteristics so that each new user will now be assigned （by default） the csh shell rather than the ksh shell. Which of the following actions should be performed？（）

A.Run the command chlogin -shell "csh"
B.Run the command mkuser -default "SHELL=csh"
C.Edit /etc/passwd and change all "ksh" entries to "csh"
D.Modify the contents of /usr/lib/security/mkuser.default file

单项选择题

For security reasons， an administrator is asked to modify the system to prevent someone from leaving a terminal logged in. To enable a five minute timeout for all users， what would need to be done to accomplish this task？（）

A.Add the following line to /etc/environment： TMOUT=300
B.Add the following lines to /.profile TMOUT=5 export TMOUT
C.Execute the following command： chuser -u ALL -a TIMEOUT=5M
D.Execute the following command： chsec -u ALL -a TIMEOUT=600

单项选择题

Which action changes the default editor for ALL users on the system from vi to edit of the following？（）

A.Issue the command： export EDITOR=/usr/bin/edit
B.Modify /.profile and change the EDITOR variable to /usr/bin/edit
C.Modify /etc/environment and add EDITOR=/usr/bin/edit export EDITOR
D.Modify /etc/security/defaults and change the EDITOR value to /usr/bin/edit