Which three statements about bridge assurance are true? (Choose three.)
A.
Bridge assurance must be enabled on both ends of a link.
B.
Bridge assurance can be enabled on one end of a link or on both ends.
C.
Bridge assurance is enabled on STP point-to-point links only.
D.
Bridge assurance is enabled on STP multipoint links only.
E.
If a bridge assurance port fails to receive a BPDU after a timeout, the port is put into a blocking
state.
F.
If a bridge assurance port fails to receive a BPDU after a timeout, the port is put into an error
disabled state.
Explanation: