In the exhibit, a frame from Station RB_ID 1 is en route to RB_ID 2.
Which two fields are changed in the TRILL frame as it exits the RBridge with ID = 3? (Choose
two.)

A.
Outer MAC DA is changed to the value of the next hop RBridge, RBridge = 4.

B.
Egress RB Nickname is changed to next hop RBridge, RBridge = 4.

C.
Ingress RB Nickname is changed to the value of the exit RBridge, RBridge = 3.

D.
Outer MAC SA is changed to the value of the exit RBridge, RBridge = 3.