An administrator notices a router??s CPU utilization has jumped from 2 percent to 100 percent, and that a CCIE engineer was debugging. What IOS command can the network administrator enter to stop all debugging output to the console and vty lines without affecting users on the connected router?

A.
no logging console debugging

B.
undebug all

C.
line vty 0 4 no terminal monitor

D.
reload the router