Correct Answer: D
Safe Mode in MikroTik CLI is a protective mode that helps revert any unintended changes if you get disconnected. It is activated by pressing Ctrl+X in older versions, but the current standard keybinding for enabling safe mode is Ctrl+S.
MTCNA Course Material - Safe Mode:
"To enable safe mode in the terminal, press Ctrl+S. A confirmation [Safe Mode] will appear in the prompt. If the terminal is closed or disconnected, the changes are rolled back." Rene Meneses MTCNA Study Guide - Terminal Commands:
"Safe Mode can be activated using Ctrl+S. This is useful during remote configuration. It reverts changes if the terminal is closed." MikroTik Wiki - Safe Mode Section:
"To enter safe mode, press Ctrl+S in CLI. This ensures configuration rollback if disconnected." Other options:
* Ctrl+C terminates commands or CLI input
* Ctrl+X may not activate safe mode in newer versions
* Ctrl+D is used to log out in some Unix-like terminals
Correct answer: Ctrl+S