Which option is a possible cause for an errdisabled interface?
A.
routing loop
B.
cable unplugged
C.
STP loop guard
D.
security violation
Explanation:
There are various reasons for the interface to go into errdisable. The reason can be:http://www.cisco.com/en/US/tech/tk389/tk621/technologies_tech_note09186a00806cd87b.shtml