Refer to the exhibit.
Which two statements about the network environment are true? (Choose two.)
A . UDLD aggressive mode put the interface into an error-disabled state
B . After the error is corrected, the udld reset command recovers the disabled ports.
C . The UDLD mode changed from normal to aggressive when the error was detected.
D . The interface was error-disabled as the result of ST
F . UDLD negotiation failed when the neighbor switch went offline.
Answer: AB