Question-about UDLD aggressive. (Choose two.)
A. UDLD messages are sent every 15 seconds
B. UDLD tries to reestablish link once before declaring the link down
C. When unidirectional fail is detected, port state is determined by spanning tree
D. When unidirectional fail is detected, port is turned to errdisable
E. UDLD sends messages four times the message interval by default
F. UDLD automatically … message interval based on configured timers
