View the exhibit.
In the example network shown in the exhibit, switchA loses power and becomes unavailable. Which switch
ports have the designated role in instance 1 when the MSTP network converges again?
A.
Ports A2 and B10 on switch C
B.
Ports B7 on switch D and B10 on switch C
C.
Ports A20 and B21 on switch B
D.
Ports 87 and B12 on switch D