Which two commands should be entered on a WLAN controller to remove any residual configuration？（）

• A、 Enter the clear controller command followed by the reload command.
• B、 Enter the clear controller command followed by the reset command.
• C、 Enter the clear controller command followed by the reset system command.
• D、 Enter the erase startup-config command followed by the reload command.
• E、 Enter the erase startup-config command followed by the reset command.
• F、 Enter the erase startup-config command followed by the reset system command.