What will cause a router to enter setup mode? $($Choose $2)$

$41.$ The administrator enters the setup command from privileged exec mode after the router has started up$.$

$42.$ The administrator enters the enable command from user exec mode after the router has started up$.$

$43.$ The administrator uses the Ctrl $+$ c hotkey combination as the router is starting up$.$

$44.$ The router locates a configuration file on a local TFTP server during the boot process.

$45.$ The router will enter setup mode automatically if no configuration file can be found.

$46.$ No configuration file was loaded and the administrator responded yes when prompted to enter setup.