Which action allows the user to work on the device without interruption?

A Cisco IOS router is disconnecting the console session of a user after some amount of time.

Which action allows the user to work on the device without interruption?
A . set the exec-timeout 0 0 command on line con 0
B . enter the no exec-banner command on line vty 0 4
C . increase the session timeout on line vty 0 15
D . use the speed 9600 command to match the baud rate

Answer: A