1Z0-402 試験問題を無料オンラインアクセス

You have set HISTCONTROL=ignoreboth. What are the implications of this setting on history?

• A.It ignores duplicates but saves the commands prefixed with space.
• B.It ignores commands prefixed with a space but saves duplicates.
• C.It saves both duplicates and commands prefixed with a space.
• D.It ignores both the duplicate commands and commands prefixed with a space.

You want to customize the default background color in an X window system using command-line options. What would you do to achieve this task?

• A.Edit the ~/.Xdefaults file.
• B.Edit the ~/.xinitrc file.
• C.Edit the ~/.Xauthority file.
• D.Edit the ~/.Xresources file.

View the Exhibit.
What would be the output of the script if it is executed using the default shell interpreter?

• A.Welcome 5 times Welcome 4 times Welcome 3 times Welcome 2 times Welcome 1 times Welcome 0 times
• B.Welcome 1 times Welcome 2 times Welcome 3 times Welcome 4 times
• C.Welcome 0 times Welcome 1 times Welcome 2 times Welcome 3 times Welcome 4 times Welcome 5 times
• D.Welcome $i times

View the Exhibit and examine the output of the following command:
rpm -qR ftp

What would you infer from the output?

• A.It shows the list of files in the querying package.
• B.It shows all the packages on which the querying package depends.
• C.It shows all the packages installed in the system.
• D.It shows all the packages dependent on the querying package.

User smith on station2 is trying to chat with the remote user bob on station1 using the talk command, smith receives an error message as shown below:
[smith@station2 ~]$talk [email protected]
[No connection yet]
[ Error on read from talk daemon: Connection refused ]
[smith@station2 ~]$
What can the root user do to resolve the issue? (Choose two.)

• A.let smith retry talk after changing the group of talk command to tty
• B.let smith retry the talk request with UDP port 518 open on both systems
• C.let smith retry talk after restarting the xinetd service with ntalk enabled on both systems
• D.let smith retry talk after restarting the network service with the UDP port 517 blocked on both systems
• E.let smith retry talk by reading from STDIN and sending to bob