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After connecting to a remote host via SSH, an administrator attempts to run an application but receives the following error: [user@workstation ~]$ ssh admin@srv1 Last login: Tue Mar 29 18:03:34 2022 [admin@srvl ~] $ /usr/local/bin/config_manager Error: cannot open display: [admin@srv1 ~] $ Which of the following should the administrator do to resolve this error?
Correct Answer: A
The error indicates that the application requires an X11 display, but the SSH session does not forward the X11 connection. To enable X11 forwarding, the administrator needs to use the ssh -X option, which requests X11 forwarding with authentication spoofing. This will set the DISPLAY environment variable on the remote host and allow the application to open a window on the local display. References * CompTIA Linux+ (XK0-005) Certification Study Guide, page 314 * Open a window on a remote X display (why "Cannot open display")?, answer by Gilles 'SO- stop being evil'